| northamerica (270728) | northamerica (273718) |
|---|---|
| 1# This file is in the public domain, so clarified as of 2# 2009-05-17 by Arthur David Olson. 3 4# also includes Central America and the Caribbean 5 | 1# This file is in the public domain, so clarified as of 2# 2009-05-17 by Arthur David Olson. 3 4# also includes Central America and the Caribbean 5 |
| 6# This data is by no means authoritative; if you think you know better, | 6# This file is by no means authoritative; if you think you know better, |
| 7# go ahead and edit the file (and please send any changes to | 7# go ahead and edit the file (and please send any changes to |
| 8# tz@iana.org for general use in the future). | 8# tz@iana.org for general use in the future). For more, please see 9# the file CONTRIBUTING in the tz distribution. |
| 9 10# From Paul Eggert (1999-03-22): 11# A reliable and entertaining source about time zones is 12# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). 13 14############################################################################### 15 16# United States --- 37 unchanged lines hidden (view full) --- 54# to push people into bed earlier, and get them up earlier, to make 55# them healthy, wealthy and wise in spite of themselves. 56# 57# -- Robertson Davies, The diary of Samuel Marchbanks, 58# Clarke, Irwin (1947), XIX, Sunday 59# 60# For more about the first ten years of DST in the United States, see 61# Robert Garland, Ten years of daylight saving from the Pittsburgh standpoint | 10 11# From Paul Eggert (1999-03-22): 12# A reliable and entertaining source about time zones is 13# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). 14 15############################################################################### 16 17# United States --- 37 unchanged lines hidden (view full) --- 55# to push people into bed earlier, and get them up earlier, to make 56# them healthy, wealthy and wise in spite of themselves. 57# 58# -- Robertson Davies, The diary of Samuel Marchbanks, 59# Clarke, Irwin (1947), XIX, Sunday 60# 61# For more about the first ten years of DST in the United States, see 62# Robert Garland, Ten years of daylight saving from the Pittsburgh standpoint |
| 62# (Carnegie Library of Pittsburgh, 1927) 63# <http://www.clpgh.org/exhibit/dst.html>. | 63# (Carnegie Library of Pittsburgh, 1927). 64# http://www.clpgh.org/exhibit/dst.html |
| 64# 65# Shanks says that DST was called "War Time" in the US in 1918 and 1919. 66# However, DST was imposed by the Standard Time Act of 1918, which 67# was the first nationwide legal time standard, and apparently 68# time was just called "Standard Time" or "Daylight Saving Time". 69 70# From Arthur David Olson: 71# US Daylight Saving Time ended on the last Sunday of *October* in 1974. 72# See, for example, the front page of the Saturday, 1974-10-26 73# and Sunday, 1974-10-27 editions of the Washington Post. 74 75# From Arthur David Olson: 76# Before the Uniform Time Act of 1966 took effect in 1967, observance of 77# Daylight Saving Time in the US was by local option, except during wartime. 78 79# From Arthur David Olson (2000-09-25): 80# Last night I heard part of a rebroadcast of a 1945 Arch Oboler radio drama. 81# In the introduction, Oboler spoke of "Eastern Peace Time." | 65# 66# Shanks says that DST was called "War Time" in the US in 1918 and 1919. 67# However, DST was imposed by the Standard Time Act of 1918, which 68# was the first nationwide legal time standard, and apparently 69# time was just called "Standard Time" or "Daylight Saving Time". 70 71# From Arthur David Olson: 72# US Daylight Saving Time ended on the last Sunday of *October* in 1974. 73# See, for example, the front page of the Saturday, 1974-10-26 74# and Sunday, 1974-10-27 editions of the Washington Post. 75 76# From Arthur David Olson: 77# Before the Uniform Time Act of 1966 took effect in 1967, observance of 78# Daylight Saving Time in the US was by local option, except during wartime. 79 80# From Arthur David Olson (2000-09-25): 81# Last night I heard part of a rebroadcast of a 1945 Arch Oboler radio drama. 82# In the introduction, Oboler spoke of "Eastern Peace Time." |
| 82# An AltaVista search turned up 83# <http://rowayton.org/rhs/hstaug45.html>: | 83# An AltaVista search turned up: 84# http://rowayton.org/rhs/hstaug45.html |
| 84# "When the time is announced over the radio now, it is 'Eastern Peace 85# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful." 86# (August 1945) by way of confirmation. 87 88# From Joseph Gallant citing 89# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987): 90# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set 91# to switch to London for Attlee's address, but the American people --- 171 unchanged lines hidden (view full) --- 263# Early this summer I had the occasion to visit the Mount Washington 264# Observatory weather station atop (of course!) Mount Washington [, NH].... 265# One of the staff members said that the station was on Eastern Standard Time 266# and didn't change their clocks for Daylight Saving ... so that their 267# reports will always have times which are 5 hours behind UTC. 268 269# From Paul Eggert (2005-08-26): 270# According to today's Huntsville Times | 85# "When the time is announced over the radio now, it is 'Eastern Peace 86# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful." 87# (August 1945) by way of confirmation. 88 89# From Joseph Gallant citing 90# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987): 91# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set 92# to switch to London for Attlee's address, but the American people --- 171 unchanged lines hidden (view full) --- 264# Early this summer I had the occasion to visit the Mount Washington 265# Observatory weather station atop (of course!) Mount Washington [, NH].... 266# One of the staff members said that the station was on Eastern Standard Time 267# and didn't change their clocks for Daylight Saving ... so that their 268# reports will always have times which are 5 hours behind UTC. 269 270# From Paul Eggert (2005-08-26): 271# According to today's Huntsville Times |
| 271# <http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1125047783228320.xml&coll=1> | 272# http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1125047783228320.xml&coll=1 |
| 272# a few towns on Alabama's "eastern border with Georgia, such as Phenix City 273# in Russell County, Lanett in Chambers County and some towns in Lee County, 274# set their watches and clocks on Eastern time." It quotes H.H. "Bubba" 275# Roberts, city administrator in Phenix City. as saying "We are in the Central 276# time zone, but we do go by the Eastern time zone because so many people work 277# in Columbus." 278 | 273# a few towns on Alabama's "eastern border with Georgia, such as Phenix City 274# in Russell County, Lanett in Chambers County and some towns in Lee County, 275# set their watches and clocks on Eastern time." It quotes H.H. "Bubba" 276# Roberts, city administrator in Phenix City. as saying "We are in the Central 277# time zone, but we do go by the Eastern time zone because so many people work 278# in Columbus." 279 |
| 280# From Paul Eggert (2014-09-06): 281# Monthly Notices of the Royal Astronomical Society 44, 4 (1884-02-08), 208 282# says that New York City Hall time was 3 minutes 58.4 seconds fast of 283# Eastern time (i.e., -4:56:01.6) just before the 1883 switch. Round to the 284# nearest second. 285 |
|
| 279# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 280Rule NYC 1920 only - Mar lastSun 2:00 1:00 D 281Rule NYC 1920 only - Oct lastSun 2:00 0 S 282Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D 283Rule NYC 1921 1954 - Sep lastSun 2:00 0 S 284Rule NYC 1955 1966 - Oct lastSun 2:00 0 S 285# Zone NAME GMTOFF RULES FORMAT [UNTIL] 286Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 --- 31 unchanged lines hidden (view full) --- 318Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S 319Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D 320Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D 321Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S 322Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S 323# Zone NAME GMTOFF RULES FORMAT [UNTIL] 324Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 325 -6:00 US C%sT 1920 | 286# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 287Rule NYC 1920 only - Mar lastSun 2:00 1:00 D 288Rule NYC 1920 only - Oct lastSun 2:00 0 S 289Rule NYC 1921 1966 - Apr lastSun 2:00 1:00 D 290Rule NYC 1921 1954 - Sep lastSun 2:00 0 S 291Rule NYC 1955 1966 - Oct lastSun 2:00 0 S 292# Zone NAME GMTOFF RULES FORMAT [UNTIL] 293Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:03:58 --- 31 unchanged lines hidden (view full) --- 325Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S 326Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D 327Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D 328Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S 329Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S 330# Zone NAME GMTOFF RULES FORMAT [UNTIL] 331Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24 332 -6:00 US C%sT 1920 |
| 326 -6:00 Chicago C%sT 1936 Mar 1 2:00 327 -5:00 - EST 1936 Nov 15 2:00 | 333 -6:00 Chicago C%sT 1936 Mar 1 2:00 334 -5:00 - EST 1936 Nov 15 2:00 |
| 328 -6:00 Chicago C%sT 1942 329 -6:00 US C%sT 1946 330 -6:00 Chicago C%sT 1967 331 -6:00 US C%sT 332# Oliver County, ND switched from mountain to central time on 1992-10-25. 333Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48 | 335 -6:00 Chicago C%sT 1942 336 -6:00 US C%sT 1946 337 -6:00 Chicago C%sT 1967 338 -6:00 US C%sT 339# Oliver County, ND switched from mountain to central time on 1992-10-25. 340Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48 |
| 334 -7:00 US M%sT 1992 Oct 25 02:00 | 341 -7:00 US M%sT 1992 Oct 25 2:00 |
| 335 -6:00 US C%sT 336# Morton County, ND, switched from mountain to central time on 337# 2003-10-26, except for the area around Mandan which was already central time. 338# See <http://dmses.dot.gov/docimages/p63/135818.pdf>. 339# Officially this switch also included part of Sioux County, and 340# Jones, Mellette, and Todd Counties in South Dakota; 341# but in practice these other counties were already observing central time. 342# See <http://www.epa.gov/fedrgstr/EPA-IMPACT/2003/October/Day-28/i27056.htm>. | 342 -6:00 US C%sT 343# Morton County, ND, switched from mountain to central time on 344# 2003-10-26, except for the area around Mandan which was already central time. 345# See <http://dmses.dot.gov/docimages/p63/135818.pdf>. 346# Officially this switch also included part of Sioux County, and 347# Jones, Mellette, and Todd Counties in South Dakota; 348# but in practice these other counties were already observing central time. 349# See <http://www.epa.gov/fedrgstr/EPA-IMPACT/2003/October/Day-28/i27056.htm>. |
| 343Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21 344 -7:00 US M%sT 2003 Oct 26 02:00 | 350Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21 351 -7:00 US M%sT 2003 Oct 26 2:00 |
| 345 -6:00 US C%sT 346 347# From Josh Findley (2011-01-21): 348# ...it appears that Mercer County, North Dakota, changed from the 349# mountain time zone to the central time zone at the last transition from 350# daylight-saving to standard time (on Nov. 7, 2010): 351# http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm 352# http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html 353 354# From Andy Lipscomb (2011-01-24): 355# ...according to the Census Bureau, the largest city is Beulah (although 356# it's commonly referred to as Beulah-Hazen, with Hazen being the next 357# largest city in Mercer County). Google Maps places Beulah's city hall 358# at 47 degrees 15' 51" N, 101 degrees 46' 40" W, which yields an offset 359# of 6h47'07". 360 | 352 -6:00 US C%sT 353 354# From Josh Findley (2011-01-21): 355# ...it appears that Mercer County, North Dakota, changed from the 356# mountain time zone to the central time zone at the last transition from 357# daylight-saving to standard time (on Nov. 7, 2010): 358# http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm 359# http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html 360 361# From Andy Lipscomb (2011-01-24): 362# ...according to the Census Bureau, the largest city is Beulah (although 363# it's commonly referred to as Beulah-Hazen, with Hazen being the next 364# largest city in Mercer County). Google Maps places Beulah's city hall 365# at 47 degrees 15' 51" N, 101 degrees 46' 40" W, which yields an offset 366# of 6h47'07". 367 |
| 361Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53 362 -7:00 US M%sT 2010 Nov 7 2:00 | 368Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53 369 -7:00 US M%sT 2010 Nov 7 2:00 |
| 363 -6:00 US C%sT 364 365# US mountain time, represented by Denver 366# 367# Colorado, far western Kansas, Montana, western 368# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City), 369# New Mexico, southwestern North Dakota, 370# western South Dakota, far western Texas (El Paso County, Hudspeth County, --- 99 unchanged lines hidden (view full) --- 470# abandonment of use of daylight saving resulted from the 1983 vote. 471 472# Zone NAME GMTOFF RULES FORMAT [UNTIL] 473Zone America/Juneau 15:02:19 - LMT 1867 Oct 18 474 -8:57:41 - LMT 1900 Aug 20 12:00 475 -8:00 - PST 1942 476 -8:00 US P%sT 1946 477 -8:00 - PST 1969 | 370 -6:00 US C%sT 371 372# US mountain time, represented by Denver 373# 374# Colorado, far western Kansas, Montana, western 375# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City), 376# New Mexico, southwestern North Dakota, 377# western South Dakota, far western Texas (El Paso County, Hudspeth County, --- 99 unchanged lines hidden (view full) --- 477# abandonment of use of daylight saving resulted from the 1983 vote. 478 479# Zone NAME GMTOFF RULES FORMAT [UNTIL] 480Zone America/Juneau 15:02:19 - LMT 1867 Oct 18 481 -8:57:41 - LMT 1900 Aug 20 12:00 482 -8:00 - PST 1942 483 -8:00 US P%sT 1946 484 -8:00 - PST 1969 |
| 478 -8:00 US P%sT 1980 Apr 27 2:00 479 -9:00 US Y%sT 1980 Oct 26 2:00 480 -8:00 US P%sT 1983 Oct 30 2:00 | 485 -8:00 US P%sT 1980 Apr 27 2:00 486 -9:00 US Y%sT 1980 Oct 26 2:00 487 -8:00 US P%sT 1983 Oct 30 2:00 |
| 481 -9:00 US Y%sT 1983 Nov 30 482 -9:00 US AK%sT 483Zone America/Sitka 14:58:47 - LMT 1867 Oct 18 484 -9:01:13 - LMT 1900 Aug 20 12:00 485 -8:00 - PST 1942 486 -8:00 US P%sT 1946 487 -8:00 - PST 1969 | 488 -9:00 US Y%sT 1983 Nov 30 489 -9:00 US AK%sT 490Zone America/Sitka 14:58:47 - LMT 1867 Oct 18 491 -9:01:13 - LMT 1900 Aug 20 12:00 492 -8:00 - PST 1942 493 -8:00 US P%sT 1946 494 -8:00 - PST 1969 |
| 488 -8:00 US P%sT 1983 Oct 30 2:00 | 495 -8:00 US P%sT 1983 Oct 30 2:00 |
| 489 -9:00 US Y%sT 1983 Nov 30 490 -9:00 US AK%sT 491Zone America/Metlakatla 15:13:42 - LMT 1867 Oct 18 492 -8:46:18 - LMT 1900 Aug 20 12:00 493 -8:00 - PST 1942 494 -8:00 US P%sT 1946 495 -8:00 - PST 1969 | 496 -9:00 US Y%sT 1983 Nov 30 497 -9:00 US AK%sT 498Zone America/Metlakatla 15:13:42 - LMT 1867 Oct 18 499 -8:46:18 - LMT 1900 Aug 20 12:00 500 -8:00 - PST 1942 501 -8:00 US P%sT 1946 502 -8:00 - PST 1969 |
| 496 -8:00 US P%sT 1983 Oct 30 2:00 | 503 -8:00 US P%sT 1983 Oct 30 2:00 |
| 497 -8:00 - PST 498Zone America/Yakutat 14:41:05 - LMT 1867 Oct 18 499 -9:18:55 - LMT 1900 Aug 20 12:00 500 -9:00 - YST 1942 501 -9:00 US Y%sT 1946 502 -9:00 - YST 1969 503 -9:00 US Y%sT 1983 Nov 30 504 -9:00 US AK%sT 505Zone America/Anchorage 14:00:24 - LMT 1867 Oct 18 506 -9:59:36 - LMT 1900 Aug 20 12:00 507 -10:00 - CAT 1942 508 -10:00 US CAT/CAWT 1945 Aug 14 23:00u 509 -10:00 US CAT/CAPT 1946 # Peace 510 -10:00 - CAT 1967 Apr 511 -10:00 - AHST 1969 | 504 -8:00 - PST 505Zone America/Yakutat 14:41:05 - LMT 1867 Oct 18 506 -9:18:55 - LMT 1900 Aug 20 12:00 507 -9:00 - YST 1942 508 -9:00 US Y%sT 1946 509 -9:00 - YST 1969 510 -9:00 US Y%sT 1983 Nov 30 511 -9:00 US AK%sT 512Zone America/Anchorage 14:00:24 - LMT 1867 Oct 18 513 -9:59:36 - LMT 1900 Aug 20 12:00 514 -10:00 - CAT 1942 515 -10:00 US CAT/CAWT 1945 Aug 14 23:00u 516 -10:00 US CAT/CAPT 1946 # Peace 517 -10:00 - CAT 1967 Apr 518 -10:00 - AHST 1969 |
| 512 -10:00 US AH%sT 1983 Oct 30 2:00 | 519 -10:00 US AH%sT 1983 Oct 30 2:00 |
| 513 -9:00 US Y%sT 1983 Nov 30 514 -9:00 US AK%sT 515Zone America/Nome 12:58:21 - LMT 1867 Oct 18 516 -11:01:38 - LMT 1900 Aug 20 12:00 517 -11:00 - NST 1942 518 -11:00 US N%sT 1946 519 -11:00 - NST 1967 Apr 520 -11:00 - BST 1969 | 520 -9:00 US Y%sT 1983 Nov 30 521 -9:00 US AK%sT 522Zone America/Nome 12:58:21 - LMT 1867 Oct 18 523 -11:01:38 - LMT 1900 Aug 20 12:00 524 -11:00 - NST 1942 525 -11:00 US N%sT 1946 526 -11:00 - NST 1967 Apr 527 -11:00 - BST 1969 |
| 521 -11:00 US B%sT 1983 Oct 30 2:00 | 528 -11:00 US B%sT 1983 Oct 30 2:00 |
| 522 -9:00 US Y%sT 1983 Nov 30 523 -9:00 US AK%sT 524Zone America/Adak 12:13:21 - LMT 1867 Oct 18 525 -11:46:38 - LMT 1900 Aug 20 12:00 526 -11:00 - NST 1942 527 -11:00 US N%sT 1946 528 -11:00 - NST 1967 Apr 529 -11:00 - BST 1969 | 529 -9:00 US Y%sT 1983 Nov 30 530 -9:00 US AK%sT 531Zone America/Adak 12:13:21 - LMT 1867 Oct 18 532 -11:46:38 - LMT 1900 Aug 20 12:00 533 -11:00 - NST 1942 534 -11:00 US N%sT 1946 535 -11:00 - NST 1967 Apr 536 -11:00 - BST 1969 |
| 530 -11:00 US B%sT 1983 Oct 30 2:00 | 537 -11:00 US B%sT 1983 Oct 30 2:00 |
| 531 -10:00 US AH%sT 1983 Nov 30 532 -10:00 US HA%sT 533# The following switches don't quite make our 1970 cutoff. 534# 535# Shanks writes that part of southwest Alaska (e.g. Aniak) 536# switched from -11:00 to -10:00 on 1968-09-22 at 02:00, 537# and another part (e.g. Akiak) made the same switch five weeks later. 538# 539# From David Flater (2004-11-09): 540# In e-mail, 2004-11-02, Ray Hudson, historian/liaison to the Unalaska 541# Historic Preservation Commission, provided this information, which 542# suggests that Unalaska deviated from statutory time from early 1967 543# possibly until 1983: 544# 545# Minutes of the Unalaska City Council Meeting, January 10, 1967: 546# "Except for St. Paul and Akutan, Unalaska is the only important 547# location not on Alaska Standard Time. The following resolution was | 538 -10:00 US AH%sT 1983 Nov 30 539 -10:00 US HA%sT 540# The following switches don't quite make our 1970 cutoff. 541# 542# Shanks writes that part of southwest Alaska (e.g. Aniak) 543# switched from -11:00 to -10:00 on 1968-09-22 at 02:00, 544# and another part (e.g. Akiak) made the same switch five weeks later. 545# 546# From David Flater (2004-11-09): 547# In e-mail, 2004-11-02, Ray Hudson, historian/liaison to the Unalaska 548# Historic Preservation Commission, provided this information, which 549# suggests that Unalaska deviated from statutory time from early 1967 550# possibly until 1983: 551# 552# Minutes of the Unalaska City Council Meeting, January 10, 1967: 553# "Except for St. Paul and Akutan, Unalaska is the only important 554# location not on Alaska Standard Time. The following resolution was |
| 548# made by William Robinson and seconded by Henry Swanson: Be it | 555# made by William Robinson and seconded by Henry Swanson: Be it |
| 549# resolved that the City of Unalaska hereby goes to Alaska Standard 550# Time as of midnight Friday, January 13, 1967 (1 A.M. Saturday, 551# January 14, Alaska Standard Time.) This resolution was passed with 552# three votes for and one against." 553 554# Hawaii 555 556# From Arthur David Olson (2010-12-09): --- 16 unchanged lines hidden (view full) --- 573# From Arthur David Olson (2011-01-19): 574# The following is from "Laws of the Territory of Hawaii Passed by the 575# Seventeenth Legislature: Regular Session 1933," available (as of 576# 2011-01-19) at American University's Pence Law Library. Page 85: "Act 577# 90...At 2 o'clock ante meridian of the last Sunday in April of each 578# year, the standard time of this Territory shall be advanced one 579# hour...This Act shall take effect upon its approval. Approved this 26th 580# day of April, A. D. 1933. LAWRENCE M JUDD, Governor of the Territory of | 556# resolved that the City of Unalaska hereby goes to Alaska Standard 557# Time as of midnight Friday, January 13, 1967 (1 A.M. Saturday, 558# January 14, Alaska Standard Time.) This resolution was passed with 559# three votes for and one against." 560 561# Hawaii 562 563# From Arthur David Olson (2010-12-09): --- 16 unchanged lines hidden (view full) --- 580# From Arthur David Olson (2011-01-19): 581# The following is from "Laws of the Territory of Hawaii Passed by the 582# Seventeenth Legislature: Regular Session 1933," available (as of 583# 2011-01-19) at American University's Pence Law Library. Page 85: "Act 584# 90...At 2 o'clock ante meridian of the last Sunday in April of each 585# year, the standard time of this Territory shall be advanced one 586# hour...This Act shall take effect upon its approval. Approved this 26th 587# day of April, A. D. 1933. LAWRENCE M JUDD, Governor of the Territory of |
| 581# Hawaii." Page 172: "Act 163...Act 90 of the Session Laws of 1933 is | 588# Hawaii." Page 172: "Act 163...Act 90 of the Session Laws of 1933 is |
| 582# hereby repealed...This Act shall take effect upon its approval, upon 583# which date the standard time of this Territory shall be restored to 584# that existing immediately prior to the taking effect of said Act 90. 585# Approved this 21st day of May, A. D. 1933. LAWRENCE M. JUDD, Governor 586# of the Territory of Hawaii." 587# 588# Note that 1933-05-21 was a Sunday. 589# We're left to guess the time of day when Act 163 was approved; guess noon. 590 | 589# hereby repealed...This Act shall take effect upon its approval, upon 590# which date the standard time of this Territory shall be restored to 591# that existing immediately prior to the taking effect of said Act 90. 592# Approved this 21st day of May, A. D. 1933. LAWRENCE M. JUDD, Governor 593# of the Territory of Hawaii." 594# 595# Note that 1933-05-21 was a Sunday. 596# We're left to guess the time of day when Act 163 was approved; guess noon. 597 |
| 591Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 #Schmitt&Cox 592 -10:30 - HST 1933 Apr 30 2:00 #Laws 1933 593 -10:30 1:00 HDT 1933 May 21 12:00 #Laws 1933+12 594 -10:30 - HST 1942 Feb 09 2:00 #Schmitt&Cox+2 595 -10:30 1:00 HDT 1945 Sep 30 2:00 #Schmitt&Cox+2 596 -10:30 - HST 1947 Jun 8 2:00 #Schmitt&Cox+2 | 598# Zone NAME GMTOFF RULES FORMAT [UNTIL] 599Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 600 -10:30 - HST 1933 Apr 30 2:00 601 -10:30 1:00 HDT 1933 May 21 12:00 602 -10:30 - HST 1942 Feb 9 2:00 603 -10:30 1:00 HDT 1945 Sep 30 2:00 604 -10:30 - HST 1947 Jun 8 2:00 |
| 597 -10:00 - HST | 605 -10:00 - HST |
| 598 | |
| 599Link Pacific/Honolulu Pacific/Johnston 600 601# Now we turn to US areas that have diverged from the consensus since 1970. 602 603# Arizona mostly uses MST. 604 605# From Paul Eggert (2002-10-20): 606# --- 9 unchanged lines hidden (view full) --- 616# the date the state's clocks would change. In 1945 the State of 617# Arizona used standard time all year, again with exceptions only as 618# mandated by federal law. Arizona observed DST in 1967, but Arizona 619# Laws 1968, ch. 183 (effective 1968-03-21) repealed DST. 620# 621# Shanks says the 1944 experiment came to an end on 1944-03-17. 622# Go with the Arizona State Library instead. 623 | 606Link Pacific/Honolulu Pacific/Johnston 607 608# Now we turn to US areas that have diverged from the consensus since 1970. 609 610# Arizona mostly uses MST. 611 612# From Paul Eggert (2002-10-20): 613# --- 9 unchanged lines hidden (view full) --- 623# the date the state's clocks would change. In 1945 the State of 624# Arizona used standard time all year, again with exceptions only as 625# mandated by federal law. Arizona observed DST in 1967, but Arizona 626# Laws 1968, ch. 183 (effective 1968-03-21) repealed DST. 627# 628# Shanks says the 1944 experiment came to an end on 1944-03-17. 629# Go with the Arizona State Library instead. 630 |
| 631# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
|
| 624Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42 | 632Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42 |
| 625 -7:00 US M%sT 1944 Jan 1 00:01 626 -7:00 - MST 1944 Apr 1 00:01 627 -7:00 US M%sT 1944 Oct 1 00:01 | 633 -7:00 US M%sT 1944 Jan 1 0:01 634 -7:00 - MST 1944 Apr 1 0:01 635 -7:00 US M%sT 1944 Oct 1 0:01 |
| 628 -7:00 - MST 1967 629 -7:00 US M%sT 1968 Mar 21 630 -7:00 - MST 631# From Arthur David Olson (1988-02-13): 632# A writer from the Inter Tribal Council of Arizona, Inc., 633# notes in private correspondence dated 1987-12-28 that "Presently, only the 634# Navajo Nation participates in the Daylight Saving Time policy, due to its 635# large size and location in three states." (The "only" means that other --- 7 unchanged lines hidden (view full) --- 643# Custer, Elmore, Franklin, Fremont, Gem, Gooding, Jefferson, Jerome, 644# Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power, 645# Teton, Twin Falls, Valley, Washington counties, and the southern 646# quarter of Idaho county) and eastern Oregon (most of Malheur County) 647# switched four weeks late in 1974. 648# 649# Zone NAME GMTOFF RULES FORMAT [UNTIL] 650Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 | 636 -7:00 - MST 1967 637 -7:00 US M%sT 1968 Mar 21 638 -7:00 - MST 639# From Arthur David Olson (1988-02-13): 640# A writer from the Inter Tribal Council of Arizona, Inc., 641# notes in private correspondence dated 1987-12-28 that "Presently, only the 642# Navajo Nation participates in the Daylight Saving Time policy, due to its 643# large size and location in three states." (The "only" means that other --- 7 unchanged lines hidden (view full) --- 651# Custer, Elmore, Franklin, Fremont, Gem, Gooding, Jefferson, Jerome, 652# Lemhi, Lincoln, Madison, Minidoka, Oneida, Owyhee, Payette, Power, 653# Teton, Twin Falls, Valley, Washington counties, and the southern 654# quarter of Idaho county) and eastern Oregon (most of Malheur County) 655# switched four weeks late in 1974. 656# 657# Zone NAME GMTOFF RULES FORMAT [UNTIL] 658Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11 |
| 651 -8:00 US P%sT 1923 May 13 2:00 | 659 -8:00 US P%sT 1923 May 13 2:00 |
| 652 -7:00 US M%sT 1974 | 660 -7:00 US M%sT 1974 |
| 653 -7:00 - MST 1974 Feb 3 2:00 | 661 -7:00 - MST 1974 Feb 3 2:00 |
| 654 -7:00 US M%sT 655 656# Indiana 657# 658# For a map of Indiana's time zone regions, see: | 662 -7:00 US M%sT 663 664# Indiana 665# 666# For a map of Indiana's time zone regions, see: |
| 659# What time is it in Indiana? (2006-03-01) 660# <http://www.mccsc.edu/time.html> | 667# http://en.wikipedia.org/wiki/Time_in_Indiana |
| 661# 662# From Paul Eggert (2007-08-17): 663# Since 1970, most of Indiana has been like America/Indiana/Indianapolis, 664# with the following exceptions: 665# 666# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 667# Vanderburgh, and Warrick counties have been like America/Chicago. 668# --- 9 unchanged lines hidden (view full) --- 678# and wrote "Even newspaper reports present contradictory information." 679# Those Hoosiers! Such a flighty and changeable people! 680# Fortunately, most of the complexity occurred before our cutoff date of 1970. 681# 682# Other than Indianapolis, the Indiana place names are so nondescript 683# that they would be ambiguous if we left them at the 'America' level. 684# So we reluctantly put them all in a subdirectory 'America/Indiana'. 685 | 668# 669# From Paul Eggert (2007-08-17): 670# Since 1970, most of Indiana has been like America/Indiana/Indianapolis, 671# with the following exceptions: 672# 673# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 674# Vanderburgh, and Warrick counties have been like America/Chicago. 675# --- 9 unchanged lines hidden (view full) --- 685# and wrote "Even newspaper reports present contradictory information." 686# Those Hoosiers! Such a flighty and changeable people! 687# Fortunately, most of the complexity occurred before our cutoff date of 1970. 688# 689# Other than Indianapolis, the Indiana place names are so nondescript 690# that they would be ambiguous if we left them at the 'America' level. 691# So we reluctantly put them all in a subdirectory 'America/Indiana'. 692 |
| 686# From Paul Eggert (2005-08-16): 687# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006. 688 | |
| 689# From Paul Eggert (2014-06-26): 690# https://www.federalregister.gov/articles/2006/01/20/06-563/standard-time-zone-boundary-in-the-state-of-indiana 691# says "DOT is relocating the time zone boundary in Indiana to move Starke, 692# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the 693# Eastern Time Zone to the Central Time Zone.... The effective date of 694# this rule is 2 a.m. EST Sunday, April 2, 2006, which is the 695# changeover date from standard time to Daylight Saving Time." 696# Strictly speaking, this meant the affected counties changed their --- 5 unchanged lines hidden (view full) --- 702# going to switch from Central to Eastern Time on March 11, 2007.... 703# http://www.indystar.com/apps/pbcs.dll/article?AID=/20070207/LOCAL190108/702070524/0/LOCAL 704 705# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 706Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 707Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 708Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 709# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 693# From Paul Eggert (2014-06-26): 694# https://www.federalregister.gov/articles/2006/01/20/06-563/standard-time-zone-boundary-in-the-state-of-indiana 695# says "DOT is relocating the time zone boundary in Indiana to move Starke, 696# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the 697# Eastern Time Zone to the Central Time Zone.... The effective date of 698# this rule is 2 a.m. EST Sunday, April 2, 2006, which is the 699# changeover date from standard time to Daylight Saving Time." 700# Strictly speaking, this meant the affected counties changed their --- 5 unchanged lines hidden (view full) --- 706# going to switch from Central to Eastern Time on March 11, 2007.... 707# http://www.indystar.com/apps/pbcs.dll/article?AID=/20070207/LOCAL190108/702070524/0/LOCAL 708 709# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 710Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 711Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 712Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 713# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 710Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 | 714Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 |
| 711 -6:00 US C%sT 1920 712 -6:00 Indianapolis C%sT 1942 713 -6:00 US C%sT 1946 | 715 -6:00 US C%sT 1920 716 -6:00 Indianapolis C%sT 1942 717 -6:00 US C%sT 1946 |
| 714 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 715 -5:00 - EST 1957 Sep 29 2:00 716 -6:00 - CST 1958 Apr 27 2:00 | 718 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 719 -5:00 - EST 1957 Sep 29 2:00 720 -6:00 - CST 1958 Apr 27 2:00 |
| 717 -5:00 - EST 1969 718 -5:00 US E%sT 1971 719 -5:00 - EST 2006 720 -5:00 US E%sT 721# 722# Eastern Crawford County, Indiana, left its clocks alone in 1974, 723# as well as from 1976 through 2005. 724# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 725Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D 726Rule Marengo 1951 only - Sep lastSun 2:00 0 S 727Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D 728Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S 729# Zone NAME GMTOFF RULES FORMAT [UNTIL] 730Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 731 -6:00 US C%sT 1951 | 721 -5:00 - EST 1969 722 -5:00 US E%sT 1971 723 -5:00 - EST 2006 724 -5:00 US E%sT 725# 726# Eastern Crawford County, Indiana, left its clocks alone in 1974, 727# as well as from 1976 through 2005. 728# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 729Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D 730Rule Marengo 1951 only - Sep lastSun 2:00 0 S 731Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D 732Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S 733# Zone NAME GMTOFF RULES FORMAT [UNTIL] 734Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 735 -6:00 US C%sT 1951 |
| 732 -6:00 Marengo C%sT 1961 Apr 30 2:00 | 736 -6:00 Marengo C%sT 1961 Apr 30 2:00 |
| 733 -5:00 - EST 1969 | 737 -5:00 - EST 1969 |
| 734 -5:00 US E%sT 1974 Jan 6 2:00 735 -6:00 1:00 CDT 1974 Oct 27 2:00 | 738 -5:00 US E%sT 1974 Jan 6 2:00 739 -6:00 1:00 CDT 1974 Oct 27 2:00 |
| 736 -5:00 US E%sT 1976 737 -5:00 - EST 2006 738 -5:00 US E%sT 739# 740# Daviess, Dubois, Knox, and Martin Counties, Indiana, 741# switched from eastern to central time in April 2006, then switched back 742# in November 2007. 743# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 4 unchanged lines hidden (view full) --- 748Rule Vincennes 1955 only - May 1 0:00 1:00 D 749Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D 750Rule Vincennes 1960 only - Oct lastSun 2:00 0 S 751Rule Vincennes 1961 only - Sep lastSun 2:00 0 S 752Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S 753# Zone NAME GMTOFF RULES FORMAT [UNTIL] 754Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 755 -6:00 US C%sT 1946 | 740 -5:00 US E%sT 1976 741 -5:00 - EST 2006 742 -5:00 US E%sT 743# 744# Daviess, Dubois, Knox, and Martin Counties, Indiana, 745# switched from eastern to central time in April 2006, then switched back 746# in November 2007. 747# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 4 unchanged lines hidden (view full) --- 752Rule Vincennes 1955 only - May 1 0:00 1:00 D 753Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D 754Rule Vincennes 1960 only - Oct lastSun 2:00 0 S 755Rule Vincennes 1961 only - Sep lastSun 2:00 0 S 756Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S 757# Zone NAME GMTOFF RULES FORMAT [UNTIL] 758Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 759 -6:00 US C%sT 1946 |
| 756 -6:00 Vincennes C%sT 1964 Apr 26 2:00 | 760 -6:00 Vincennes C%sT 1964 Apr 26 2:00 |
| 757 -5:00 - EST 1969 758 -5:00 US E%sT 1971 | 761 -5:00 - EST 1969 762 -5:00 US E%sT 1971 |
| 759 -5:00 - EST 2006 Apr 2 2:00 760 -6:00 US C%sT 2007 Nov 4 2:00 | 763 -5:00 - EST 2006 Apr 2 2:00 764 -6:00 US C%sT 2007 Nov 4 2:00 |
| 761 -5:00 US E%sT 762# 763# Perry County, Indiana, switched from eastern to central time in April 2006. 764# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 765Rule Perry 1946 only - Apr lastSun 2:00 1:00 D 766Rule Perry 1946 only - Sep lastSun 2:00 0 S 767Rule Perry 1953 1954 - Apr lastSun 2:00 1:00 D 768Rule Perry 1953 1959 - Sep lastSun 2:00 0 S 769Rule Perry 1955 only - May 1 0:00 1:00 D 770Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D 771Rule Perry 1960 only - Oct lastSun 2:00 0 S 772Rule Perry 1961 only - Sep lastSun 2:00 0 S 773Rule Perry 1962 1963 - Oct lastSun 2:00 0 S 774# Zone NAME GMTOFF RULES FORMAT [UNTIL] 775Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 776 -6:00 US C%sT 1946 | 765 -5:00 US E%sT 766# 767# Perry County, Indiana, switched from eastern to central time in April 2006. 768# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 769Rule Perry 1946 only - Apr lastSun 2:00 1:00 D 770Rule Perry 1946 only - Sep lastSun 2:00 0 S 771Rule Perry 1953 1954 - Apr lastSun 2:00 1:00 D 772Rule Perry 1953 1959 - Sep lastSun 2:00 0 S 773Rule Perry 1955 only - May 1 0:00 1:00 D 774Rule Perry 1956 1963 - Apr lastSun 2:00 1:00 D 775Rule Perry 1960 only - Oct lastSun 2:00 0 S 776Rule Perry 1961 only - Sep lastSun 2:00 0 S 777Rule Perry 1962 1963 - Oct lastSun 2:00 0 S 778# Zone NAME GMTOFF RULES FORMAT [UNTIL] 779Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57 780 -6:00 US C%sT 1946 |
| 777 -6:00 Perry C%sT 1964 Apr 26 2:00 | 781 -6:00 Perry C%sT 1964 Apr 26 2:00 |
| 778 -5:00 - EST 1969 779 -5:00 US E%sT 1971 | 782 -5:00 - EST 1969 783 -5:00 US E%sT 1971 |
| 780 -5:00 - EST 2006 Apr 2 2:00 | 784 -5:00 - EST 2006 Apr 2 2:00 |
| 781 -6:00 US C%sT 782# 783# Pike County, Indiana moved from central to eastern time in 1977, 784# then switched back in 2006, then switched back again in 2007. 785# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 786Rule Pike 1955 only - May 1 0:00 1:00 D 787Rule Pike 1955 1960 - Sep lastSun 2:00 0 S 788Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D 789Rule Pike 1961 1964 - Oct lastSun 2:00 0 S 790# Zone NAME GMTOFF RULES FORMAT [UNTIL] 791Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 792 -6:00 US C%sT 1955 | 785 -6:00 US C%sT 786# 787# Pike County, Indiana moved from central to eastern time in 1977, 788# then switched back in 2006, then switched back again in 2007. 789# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 790Rule Pike 1955 only - May 1 0:00 1:00 D 791Rule Pike 1955 1960 - Sep lastSun 2:00 0 S 792Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D 793Rule Pike 1961 1964 - Oct lastSun 2:00 0 S 794# Zone NAME GMTOFF RULES FORMAT [UNTIL] 795Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 796 -6:00 US C%sT 1955 |
| 793 -6:00 Pike C%sT 1965 Apr 25 2:00 794 -5:00 - EST 1966 Oct 30 2:00 795 -6:00 US C%sT 1977 Oct 30 2:00 796 -5:00 - EST 2006 Apr 2 2:00 797 -6:00 US C%sT 2007 Nov 4 2:00 | 797 -6:00 Pike C%sT 1965 Apr 25 2:00 798 -5:00 - EST 1966 Oct 30 2:00 799 -6:00 US C%sT 1977 Oct 30 2:00 800 -5:00 - EST 2006 Apr 2 2:00 801 -6:00 US C%sT 2007 Nov 4 2:00 |
| 798 -5:00 US E%sT 799# 800# Starke County, Indiana moved from central to eastern time in 1991, 801# then switched back in 2006. 802# From Arthur David Olson (1991-10-28): 803# An article on page A3 of the Sunday, 1991-10-27 Washington Post 804# notes that Starke County switched from Central time to Eastern time as of 805# 1991-10-27. 806# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 807Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D 808Rule Starke 1947 1954 - Sep lastSun 2:00 0 S 809Rule Starke 1955 1956 - Oct lastSun 2:00 0 S 810Rule Starke 1957 1958 - Sep lastSun 2:00 0 S 811Rule Starke 1959 1961 - Oct lastSun 2:00 0 S 812# Zone NAME GMTOFF RULES FORMAT [UNTIL] 813Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 814 -6:00 US C%sT 1947 | 802 -5:00 US E%sT 803# 804# Starke County, Indiana moved from central to eastern time in 1991, 805# then switched back in 2006. 806# From Arthur David Olson (1991-10-28): 807# An article on page A3 of the Sunday, 1991-10-27 Washington Post 808# notes that Starke County switched from Central time to Eastern time as of 809# 1991-10-27. 810# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 811Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D 812Rule Starke 1947 1954 - Sep lastSun 2:00 0 S 813Rule Starke 1955 1956 - Oct lastSun 2:00 0 S 814Rule Starke 1957 1958 - Sep lastSun 2:00 0 S 815Rule Starke 1959 1961 - Oct lastSun 2:00 0 S 816# Zone NAME GMTOFF RULES FORMAT [UNTIL] 817Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 818 -6:00 US C%sT 1947 |
| 815 -6:00 Starke C%sT 1962 Apr 29 2:00 816 -5:00 - EST 1963 Oct 27 2:00 817 -6:00 US C%sT 1991 Oct 27 2:00 818 -5:00 - EST 2006 Apr 2 2:00 | 819 -6:00 Starke C%sT 1962 Apr 29 2:00 820 -5:00 - EST 1963 Oct 27 2:00 821 -6:00 US C%sT 1991 Oct 27 2:00 822 -5:00 - EST 2006 Apr 2 2:00 |
| 819 -6:00 US C%sT 820# 821# Pulaski County, Indiana, switched from eastern to central time in 822# April 2006 and then switched back in March 2007. 823# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 824Rule Pulaski 1946 1960 - Apr lastSun 2:00 1:00 D 825Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S 826Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S 827Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S 828# Zone NAME GMTOFF RULES FORMAT [UNTIL] 829Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35 830 -6:00 US C%sT 1946 | 823 -6:00 US C%sT 824# 825# Pulaski County, Indiana, switched from eastern to central time in 826# April 2006 and then switched back in March 2007. 827# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 828Rule Pulaski 1946 1960 - Apr lastSun 2:00 1:00 D 829Rule Pulaski 1946 1954 - Sep lastSun 2:00 0 S 830Rule Pulaski 1955 1956 - Oct lastSun 2:00 0 S 831Rule Pulaski 1957 1960 - Sep lastSun 2:00 0 S 832# Zone NAME GMTOFF RULES FORMAT [UNTIL] 833Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35 834 -6:00 US C%sT 1946 |
| 831 -6:00 Pulaski C%sT 1961 Apr 30 2:00 | 835 -6:00 Pulaski C%sT 1961 Apr 30 2:00 |
| 832 -5:00 - EST 1969 833 -5:00 US E%sT 1971 | 836 -5:00 - EST 1969 837 -5:00 US E%sT 1971 |
| 834 -5:00 - EST 2006 Apr 2 2:00 835 -6:00 US C%sT 2007 Mar 11 2:00 | 838 -5:00 - EST 2006 Apr 2 2:00 839 -6:00 US C%sT 2007 Mar 11 2:00 |
| 836 -5:00 US E%sT 837# 838# Switzerland County, Indiana, did not observe DST from 1973 through 2005. 839# Zone NAME GMTOFF RULES FORMAT [UNTIL] 840Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 | 840 -5:00 US E%sT 841# 842# Switzerland County, Indiana, did not observe DST from 1973 through 2005. 843# Zone NAME GMTOFF RULES FORMAT [UNTIL] 844Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 |
| 841 -6:00 US C%sT 1954 Apr 25 2:00 | 845 -6:00 US C%sT 1954 Apr 25 2:00 |
| 842 -5:00 - EST 1969 843 -5:00 US E%sT 1973 844 -5:00 - EST 2006 845 -5:00 US E%sT 846 847# Part of Kentucky left its clocks alone in 1974. 848# This also includes Clark, Floyd, and Harrison counties in Indiana. 849# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 4 unchanged lines hidden (view full) --- 854Rule Louisville 1946 only - Jun 2 2:00 0 S 855Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S 856Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S 857# Zone NAME GMTOFF RULES FORMAT [UNTIL] 858Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 859 -6:00 US C%sT 1921 860 -6:00 Louisville C%sT 1942 861 -6:00 US C%sT 1946 | 846 -5:00 - EST 1969 847 -5:00 US E%sT 1973 848 -5:00 - EST 2006 849 -5:00 US E%sT 850 851# Part of Kentucky left its clocks alone in 1974. 852# This also includes Clark, Floyd, and Harrison counties in Indiana. 853# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 4 unchanged lines hidden (view full) --- 858Rule Louisville 1946 only - Jun 2 2:00 0 S 859Rule Louisville 1950 1955 - Sep lastSun 2:00 0 S 860Rule Louisville 1956 1960 - Oct lastSun 2:00 0 S 861# Zone NAME GMTOFF RULES FORMAT [UNTIL] 862Zone America/Kentucky/Louisville -5:43:02 - LMT 1883 Nov 18 12:16:58 863 -6:00 US C%sT 1921 864 -6:00 Louisville C%sT 1942 865 -6:00 US C%sT 1946 |
| 862 -6:00 Louisville C%sT 1961 Jul 23 2:00 | 866 -6:00 Louisville C%sT 1961 Jul 23 2:00 |
| 863 -5:00 - EST 1968 | 867 -5:00 - EST 1968 |
| 864 -5:00 US E%sT 1974 Jan 6 2:00 865 -6:00 1:00 CDT 1974 Oct 27 2:00 | 868 -5:00 US E%sT 1974 Jan 6 2:00 869 -6:00 1:00 CDT 1974 Oct 27 2:00 |
| 866 -5:00 US E%sT 867# 868# Wayne County, Kentucky 869# 870# From Lake Cumberland LIFE | 870 -5:00 US E%sT 871# 872# Wayne County, Kentucky 873# 874# From Lake Cumberland LIFE |
| 871# <http://www.lake-cumberland.com/life/archive/news990129time.shtml> | 875# http://www.lake-cumberland.com/life/archive/news990129time.shtml |
| 872# (1999-01-29) via WKYM-101.7: 873# Clinton County has joined Wayne County in asking the DoT to change from 874# the Central to the Eastern time zone.... The Wayne County government made 875# the same request in December. And while Russell County officials have not 876# taken action, the majority of respondents to a poll conducted there in 877# August indicated they would like to change to "fast time" also. 878# The three Lake Cumberland counties are the farthest east of any U.S. 879# location in the Central time zone. 880# 881# From Rich Wales (2000-08-29): 882# After prolonged debate, and despite continuing deep differences of opinion, 883# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern 884# (-0500) time. They won't "fall back" this year. See Sara Shipley, 885# The difference an hour makes, Nando Times (2000-08-29 15:33 -0400). 886# 887# From Paul Eggert (2001-07-16): 888# The final rule was published in the 889# Federal Register 65, 160 (2000-08-17), pp 50154-50158. | 876# (1999-01-29) via WKYM-101.7: 877# Clinton County has joined Wayne County in asking the DoT to change from 878# the Central to the Eastern time zone.... The Wayne County government made 879# the same request in December. And while Russell County officials have not 880# taken action, the majority of respondents to a poll conducted there in 881# August indicated they would like to change to "fast time" also. 882# The three Lake Cumberland counties are the farthest east of any U.S. 883# location in the Central time zone. 884# 885# From Rich Wales (2000-08-29): 886# After prolonged debate, and despite continuing deep differences of opinion, 887# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern 888# (-0500) time. They won't "fall back" this year. See Sara Shipley, 889# The difference an hour makes, Nando Times (2000-08-29 15:33 -0400). 890# 891# From Paul Eggert (2001-07-16): 892# The final rule was published in the 893# Federal Register 65, 160 (2000-08-17), pp 50154-50158. |
| 890# <http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2000_register&docid=fr17au00-22> | 894# http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2000_register&docid=fr17au00-22 |
| 891# 892Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36 893 -6:00 US C%sT 1946 894 -6:00 - CST 1968 895 -6:00 US C%sT 2000 Oct 29 2:00 896 -5:00 US E%sT 897 898 --- 9 unchanged lines hidden (view full) --- 908# From Paul Eggert (2001-07-17): 909# We don't know where the line used to be within Kearny County, KS, 910# so omit that change for now. 911# See America/Indiana/Knox for the Starke County, IN change. 912# See America/North_Dakota/Center for the Oliver County, ND change. 913# West Wendover, NV officially switched from Pacific to mountain time on 914# 1999-10-31. See the 915# Federal Register 64, 203 (1999-10-21), pp 56705-56707. | 895# 896Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36 897 -6:00 US C%sT 1946 898 -6:00 - CST 1968 899 -6:00 US C%sT 2000 Oct 29 2:00 900 -5:00 US E%sT 901 902 --- 9 unchanged lines hidden (view full) --- 912# From Paul Eggert (2001-07-17): 913# We don't know where the line used to be within Kearny County, KS, 914# so omit that change for now. 915# See America/Indiana/Knox for the Starke County, IN change. 916# See America/North_Dakota/Center for the Oliver County, ND change. 917# West Wendover, NV officially switched from Pacific to mountain time on 918# 1999-10-31. See the 919# Federal Register 64, 203 (1999-10-21), pp 56705-56707. |
| 916# <http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=fr21oc99-15> | 920# http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=fr21oc99-15 |
| 917# However, the Federal Register says that West Wendover already operated 918# on mountain time, and the rule merely made this official; 919# hence a separate tz entry is not needed. 920 921# Michigan 922# 923# From Bob Devine (1988-01-28): 924# Michigan didn't observe DST from 1968 to 1973. --- 21 unchanged lines hidden (view full) --- 946# Most of Michigan observed DST from 1973 on, but was a bit late in 1975. 947# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 948Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D 949Rule Detroit 1948 only - Sep lastSun 2:00 0 S 950Rule Detroit 1967 only - Jun 14 2:00 1:00 D 951Rule Detroit 1967 only - Oct lastSun 2:00 0 S 952# Zone NAME GMTOFF RULES FORMAT [UNTIL] 953Zone America/Detroit -5:32:11 - LMT 1905 | 921# However, the Federal Register says that West Wendover already operated 922# on mountain time, and the rule merely made this official; 923# hence a separate tz entry is not needed. 924 925# Michigan 926# 927# From Bob Devine (1988-01-28): 928# Michigan didn't observe DST from 1968 to 1973. --- 21 unchanged lines hidden (view full) --- 950# Most of Michigan observed DST from 1973 on, but was a bit late in 1975. 951# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 952Rule Detroit 1948 only - Apr lastSun 2:00 1:00 D 953Rule Detroit 1948 only - Sep lastSun 2:00 0 S 954Rule Detroit 1967 only - Jun 14 2:00 1:00 D 955Rule Detroit 1967 only - Oct lastSun 2:00 0 S 956# Zone NAME GMTOFF RULES FORMAT [UNTIL] 957Zone America/Detroit -5:32:11 - LMT 1905 |
| 954 -6:00 - CST 1915 May 15 2:00 | 958 -6:00 - CST 1915 May 15 2:00 |
| 955 -5:00 - EST 1942 956 -5:00 US E%sT 1946 957 -5:00 Detroit E%sT 1973 958 -5:00 US E%sT 1975 | 959 -5:00 - EST 1942 960 -5:00 US E%sT 1946 961 -5:00 Detroit E%sT 1973 962 -5:00 US E%sT 1975 |
| 959 -5:00 - EST 1975 Apr 27 2:00 | 963 -5:00 - EST 1975 Apr 27 2:00 |
| 960 -5:00 US E%sT 961# 962# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan, 963# switched from EST to CST/CDT in 1973. 964# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 965Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D 966Rule Menominee 1946 only - Sep lastSun 2:00 0 S 967Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D 968Rule Menominee 1966 only - Oct lastSun 2:00 0 S 969# Zone NAME GMTOFF RULES FORMAT [UNTIL] 970Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 971 -6:00 US C%sT 1946 | 964 -5:00 US E%sT 965# 966# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan, 967# switched from EST to CST/CDT in 1973. 968# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 969Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D 970Rule Menominee 1946 only - Sep lastSun 2:00 0 S 971Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D 972Rule Menominee 1966 only - Oct lastSun 2:00 0 S 973# Zone NAME GMTOFF RULES FORMAT [UNTIL] 974Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 975 -6:00 US C%sT 1946 |
| 972 -6:00 Menominee C%sT 1969 Apr 27 2:00 973 -5:00 - EST 1973 Apr 29 2:00 | 976 -6:00 Menominee C%sT 1969 Apr 27 2:00 977 -5:00 - EST 1973 Apr 29 2:00 |
| 974 -6:00 US C%sT 975 976# Navassa 977# administered by the US Fish and Wildlife Service 978# claimed by US under the provisions of the 1856 Guano Islands Act 979# also claimed by Haiti 980# occupied 1857/1900 by the Navassa Phosphate Co 981# US lighthouse 1917/1996-09 --- 63 unchanged lines hidden (view full) --- 1045# P: du Pacifique Pacific 1046# R: des Rocheuses 1047# T: de Terre-Neuve 1048# Y: du Yukon Yukon 1049# 1050# From Paul Eggert (1994-11-22): 1051# Alas, this sort of thing must be handled by localization software. 1052 | 978 -6:00 US C%sT 979 980# Navassa 981# administered by the US Fish and Wildlife Service 982# claimed by US under the provisions of the 1856 Guano Islands Act 983# also claimed by Haiti 984# occupied 1857/1900 by the Navassa Phosphate Co 985# US lighthouse 1917/1996-09 --- 63 unchanged lines hidden (view full) --- 1049# P: du Pacifique Pacific 1050# R: des Rocheuses 1051# T: de Terre-Neuve 1052# Y: du Yukon Yukon 1053# 1054# From Paul Eggert (1994-11-22): 1055# Alas, this sort of thing must be handled by localization software. 1056 |
| 1053# Unless otherwise specified, the data for Canada are all from Shanks | 1057# Unless otherwise specified, the data entries for Canada are all from Shanks |
| 1054# & Pottenger. 1055 1056# From Chris Walton (2006-04-01, 2006-04-25, 2006-06-26, 2007-01-31, 1057# 2007-03-01): 1058# The British Columbia government announced yesterday that it will 1059# adjust daylight savings next year to align with changes in the 1060# U.S. and the rest of Canada.... 1061# http://www2.news.gov.bc.ca/news_releases_2005-2009/2006AG0014-000330.htm --- 30 unchanged lines hidden (view full) --- 1092# "Daylight Savings Time Change" link; it will fire off a popup using 1093# JavaScript. 1094# http://www.exec.gov.nt.ca/currentnews/currentPR.asp?mode=archive 1095# ... 1096# Nunavut 1097# An amendment to the Interpretation Act was registered on February 19/2007.... 1098# http://action.attavik.ca/home/justice-gn/attach/2007/gaz02part2.pdf 1099 | 1058# & Pottenger. 1059 1060# From Chris Walton (2006-04-01, 2006-04-25, 2006-06-26, 2007-01-31, 1061# 2007-03-01): 1062# The British Columbia government announced yesterday that it will 1063# adjust daylight savings next year to align with changes in the 1064# U.S. and the rest of Canada.... 1065# http://www2.news.gov.bc.ca/news_releases_2005-2009/2006AG0014-000330.htm --- 30 unchanged lines hidden (view full) --- 1096# "Daylight Savings Time Change" link; it will fire off a popup using 1097# JavaScript. 1098# http://www.exec.gov.nt.ca/currentnews/currentPR.asp?mode=archive 1099# ... 1100# Nunavut 1101# An amendment to the Interpretation Act was registered on February 19/2007.... 1102# http://action.attavik.ca/home/justice-gn/attach/2007/gaz02part2.pdf 1103 |
| 1100# From Paul Eggert (2006-04-25): | 1104# From Paul Eggert (2014-10-18): |
| 1101# H. David Matthews and Mary Vincent's map 1102# "It's about TIME", _Canadian Geographic_ (September-October 1998) | 1105# H. David Matthews and Mary Vincent's map 1106# "It's about TIME", _Canadian Geographic_ (September-October 1998) |
| 1103# <http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp> | 1107# http://www.canadiangeographic.ca/Magazine/SO98/alacarte.asp |
| 1104# contains detailed boundaries for regions observing nonstandard 1105# time and daylight saving time arrangements in Canada circa 1998. 1106# | 1108# contains detailed boundaries for regions observing nonstandard 1109# time and daylight saving time arrangements in Canada circa 1998. 1110# |
| 1107# INMS, the Institute for National Measurement Standards in Ottawa, has 1108# information about standard and daylight saving time zones in Canada. 1109# <http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php> 1110# (updated periodically). | 1111# National Research Council Canada maintains info about time zones and DST. 1112# http://www.nrc-cnrc.gc.ca/eng/services/time/time_zones.html 1113# http://www.nrc-cnrc.gc.ca/eng/services/time/faq/index.html#Q5 |
| 1111# Its unofficial information is often taken from Matthews and Vincent. 1112 1113# From Paul Eggert (2006-06-27): 1114# For now, assume all of DST-observing Canada will fall into line with the 1115# new US DST rules, 1116 1117# From Chris Walton (2011-12-01) 1118# In the first of Tammy Hardwick's articles --- 96 unchanged lines hidden (view full) --- 1215# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1216Zone America/Goose_Bay -4:01:40 - LMT 1884 # Happy Valley-Goose Bay 1217 -3:30:52 - NST 1918 1218 -3:30:52 Canada N%sT 1919 1219 -3:30:52 - NST 1935 Mar 30 1220 -3:30 - NST 1936 1221 -3:30 StJohns N%sT 1942 May 11 1222 -3:30 Canada N%sT 1946 | 1114# Its unofficial information is often taken from Matthews and Vincent. 1115 1116# From Paul Eggert (2006-06-27): 1117# For now, assume all of DST-observing Canada will fall into line with the 1118# new US DST rules, 1119 1120# From Chris Walton (2011-12-01) 1121# In the first of Tammy Hardwick's articles --- 96 unchanged lines hidden (view full) --- 1218# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1219Zone America/Goose_Bay -4:01:40 - LMT 1884 # Happy Valley-Goose Bay 1220 -3:30:52 - NST 1918 1221 -3:30:52 Canada N%sT 1919 1222 -3:30:52 - NST 1935 Mar 30 1223 -3:30 - NST 1936 1224 -3:30 StJohns N%sT 1942 May 11 1225 -3:30 Canada N%sT 1946 |
| 1223 -3:30 StJohns N%sT 1966 Mar 15 2:00 | 1226 -3:30 StJohns N%sT 1966 Mar 15 2:00 |
| 1224 -4:00 StJohns A%sT 2011 Nov 1225 -4:00 Canada A%sT 1226 1227 1228# west Labrador, Nova Scotia, Prince Edward I 1229 1230# From Paul Eggert (2006-03-22): 1231# Shanks & Pottenger write that since 1970 most of this region has been like --- 44 unchanged lines hidden (view full) --- 1276Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D 1277Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S 1278Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D 1279Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S 1280# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1281Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 1282 -4:00 Halifax A%sT 1918 1283 -4:00 Canada A%sT 1919 | 1227 -4:00 StJohns A%sT 2011 Nov 1228 -4:00 Canada A%sT 1229 1230 1231# west Labrador, Nova Scotia, Prince Edward I 1232 1233# From Paul Eggert (2006-03-22): 1234# Shanks & Pottenger write that since 1970 most of this region has been like --- 44 unchanged lines hidden (view full) --- 1279Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D 1280Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S 1281Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D 1282Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S 1283# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1284Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 1285 -4:00 Halifax A%sT 1918 1286 -4:00 Canada A%sT 1919 |
| 1284 -4:00 Halifax A%sT 1942 Feb 9 2:00s | 1287 -4:00 Halifax A%sT 1942 Feb 9 2:00s |
| 1285 -4:00 Canada A%sT 1946 1286 -4:00 Halifax A%sT 1974 1287 -4:00 Canada A%sT 1288Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 1289 -4:00 Canada A%sT 1953 1290 -4:00 Halifax A%sT 1954 1291 -4:00 - AST 1972 1292 -4:00 Halifax A%sT 1974 --- 63 unchanged lines hidden (view full) --- 1356Rule Mont 1919 only - Oct 25 2:30 0 S 1357Rule Mont 1920 only - May 2 2:30 1:00 D 1358Rule Mont 1920 1922 - Oct Sun>=1 2:30 0 S 1359Rule Mont 1921 only - May 1 2:00 1:00 D 1360Rule Mont 1922 only - Apr 30 2:00 1:00 D 1361Rule Mont 1924 only - May 17 2:00 1:00 D 1362Rule Mont 1924 1926 - Sep lastSun 2:30 0 S 1363Rule Mont 1925 1926 - May Sun>=1 2:00 1:00 D | 1288 -4:00 Canada A%sT 1946 1289 -4:00 Halifax A%sT 1974 1290 -4:00 Canada A%sT 1291Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 1292 -4:00 Canada A%sT 1953 1293 -4:00 Halifax A%sT 1954 1294 -4:00 - AST 1972 1295 -4:00 Halifax A%sT 1974 --- 63 unchanged lines hidden (view full) --- 1359Rule Mont 1919 only - Oct 25 2:30 0 S 1360Rule Mont 1920 only - May 2 2:30 1:00 D 1361Rule Mont 1920 1922 - Oct Sun>=1 2:30 0 S 1362Rule Mont 1921 only - May 1 2:00 1:00 D 1363Rule Mont 1922 only - Apr 30 2:00 1:00 D 1364Rule Mont 1924 only - May 17 2:00 1:00 D 1365Rule Mont 1924 1926 - Sep lastSun 2:30 0 S 1366Rule Mont 1925 1926 - May Sun>=1 2:00 1:00 D |
| 1364# The 1927-to-1937 rules can be expressed more simply as 1365# Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D 1366# Rule Mont 1927 1937 - Sep lastSat 24:00 0 S 1367# The rules below avoid use of 24:00 1368# (which pre-1998 versions of zic cannot handle). 1369Rule Mont 1927 only - May 1 0:00 1:00 D 1370Rule Mont 1927 1932 - Sep lastSun 0:00 0 S 1371Rule Mont 1928 1931 - Apr lastSun 0:00 1:00 D 1372Rule Mont 1932 only - May 1 0:00 1:00 D 1373Rule Mont 1933 1940 - Apr lastSun 0:00 1:00 D 1374Rule Mont 1933 only - Oct 1 0:00 0 S 1375Rule Mont 1934 1939 - Sep lastSun 0:00 0 S | 1367Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D 1368Rule Mont 1927 1937 - Sep lastSat 24:00 0 S 1369Rule Mont 1938 1940 - Apr lastSun 0:00 1:00 D 1370Rule Mont 1938 1939 - Sep lastSun 0:00 0 S |
| 1376Rule Mont 1946 1973 - Apr lastSun 2:00 1:00 D 1377Rule Mont 1945 1948 - Sep lastSun 2:00 0 S 1378Rule Mont 1949 1950 - Oct lastSun 2:00 0 S 1379Rule Mont 1951 1956 - Sep lastSun 2:00 0 S 1380Rule Mont 1957 1973 - Oct lastSun 2:00 0 S 1381 1382# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1383Zone America/Blanc-Sablon -3:48:28 - LMT 1884 1384 -4:00 Canada A%sT 1970 1385 -4:00 - AST 1386Zone America/Montreal -4:54:16 - LMT 1884 1387 -5:00 Mont E%sT 1918 1388 -5:00 Canada E%sT 1919 | 1371Rule Mont 1946 1973 - Apr lastSun 2:00 1:00 D 1372Rule Mont 1945 1948 - Sep lastSun 2:00 0 S 1373Rule Mont 1949 1950 - Oct lastSun 2:00 0 S 1374Rule Mont 1951 1956 - Sep lastSun 2:00 0 S 1375Rule Mont 1957 1973 - Oct lastSun 2:00 0 S 1376 1377# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1378Zone America/Blanc-Sablon -3:48:28 - LMT 1884 1379 -4:00 Canada A%sT 1970 1380 -4:00 - AST 1381Zone America/Montreal -4:54:16 - LMT 1884 1382 -5:00 Mont E%sT 1918 1383 -5:00 Canada E%sT 1919 |
| 1389 -5:00 Mont E%sT 1942 Feb 9 2:00s | 1384 -5:00 Mont E%sT 1942 Feb 9 2:00s |
| 1390 -5:00 Canada E%sT 1946 1391 -5:00 Mont E%sT 1974 1392 -5:00 Canada E%sT 1393 1394# Ontario 1395 1396# From Paul Eggert (2006-07-09): 1397# Shanks & Pottenger write that since 1970 most of Ontario has been like --- 16 unchanged lines hidden (view full) --- 1414# 1415# Kenora, Ontario, was to abandon DST on 1914-06-01 (-05-21). 1416 1417# From Paul Eggert (1997-10-17): 1418# Mark Brader writes that an article in the 1997-10-14 Toronto Star 1419# says that Atikokan, Ontario currently does not observe DST, 1420# but will vote on 11-10 whether to use EST/EDT. 1421# He also writes that the Ontario Time Act (1990, Chapter T.9) | 1385 -5:00 Canada E%sT 1946 1386 -5:00 Mont E%sT 1974 1387 -5:00 Canada E%sT 1388 1389# Ontario 1390 1391# From Paul Eggert (2006-07-09): 1392# Shanks & Pottenger write that since 1970 most of Ontario has been like --- 16 unchanged lines hidden (view full) --- 1409# 1410# Kenora, Ontario, was to abandon DST on 1914-06-01 (-05-21). 1411 1412# From Paul Eggert (1997-10-17): 1413# Mark Brader writes that an article in the 1997-10-14 Toronto Star 1414# says that Atikokan, Ontario currently does not observe DST, 1415# but will vote on 11-10 whether to use EST/EDT. 1416# He also writes that the Ontario Time Act (1990, Chapter T.9) |
| 1422# <http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html> | 1417# http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html |
| 1423# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. 1424# Officially Atikokan is therefore on CST/CDT, and most likely this report 1425# concerns a non-official time observed as a matter of local practice. 1426# 1427# From Paul Eggert (2000-10-02): 1428# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and 1429# New Osnaburgh observe CST all year, that Big Trout Lake observes 1430# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in --- 73 unchanged lines hidden (view full) --- 1504# 1505# A list of the places in Canada using daylight saving time would 1506# require yearly revision. From information kindly furnished by 1507# the provincial governments and by the postmasters in many cities 1508# and towns, it is found that the following places used daylight sav- 1509# ing in 1930. The information for the province of Quebec is definite, 1510# for the other provinces only approximate: 1511# | 1418# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. 1419# Officially Atikokan is therefore on CST/CDT, and most likely this report 1420# concerns a non-official time observed as a matter of local practice. 1421# 1422# From Paul Eggert (2000-10-02): 1423# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and 1424# New Osnaburgh observe CST all year, that Big Trout Lake observes 1425# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in --- 73 unchanged lines hidden (view full) --- 1499# 1500# A list of the places in Canada using daylight saving time would 1501# require yearly revision. From information kindly furnished by 1502# the provincial governments and by the postmasters in many cities 1503# and towns, it is found that the following places used daylight sav- 1504# ing in 1930. The information for the province of Quebec is definite, 1505# for the other provinces only approximate: 1506# |
| 1512# Province Daylight saving time used | 1507# Province Daylight saving time used |
| 1513# Prince Edward Island Not used. 1514# Nova Scotia In Halifax only. 1515# New Brunswick In St. John only. 1516# Quebec In the following places: | 1508# Prince Edward Island Not used. 1509# Nova Scotia In Halifax only. 1510# New Brunswick In St. John only. 1511# Quebec In the following places: |
| 1517# Montreal Lachine 1518# Quebec Mont-Royal 1519# L��vis Iberville 1520# St. Lambert Cap de la Madel��ine 1521# Verdun Loretteville 1522# Westmount Richmond 1523# Outremont St. J��r��me 1524# Longueuil Greenfield Park 1525# Arvida Waterloo 1526# Chambly-Canton Beaulieu 1527# Melbourne La Tuque 1528# St. Th��ophile Buckingham | 1512# Montreal Lachine 1513# Quebec Mont-Royal 1514# L��vis Iberville 1515# St. Lambert Cap de la Madel��ine 1516# Verdun Loretteville 1517# Westmount Richmond 1518# Outremont St. J��r��me 1519# Longueuil Greenfield Park 1520# Arvida Waterloo 1521# Chambly-Canton Beaulieu 1522# Melbourne La Tuque 1523# St. Th��ophile Buckingham |
| 1529# Ontario Used generally in the cities and towns along | 1524# Ontario Used generally in the cities and towns along |
| 1530# the southerly part of the province. Not 1531# used in the northwesterly part. | 1525# the southerly part of the province. Not 1526# used in the northwesterly part. |
| 1532# Manitoba Not used. 1533# Saskatchewan In Regina only. 1534# Alberta Not used. 1535# British Columbia Not used. 1536# 1537# With some exceptions, the use of daylight saving may be said to be limited 1538# to those cities and towns lying between Quebec city and Windsor, Ont. 1539 --- 52 unchanged lines hidden (view full) --- 1592# savings time in 1916, Fort William and Port Arthur, having done so 1593# already, did not change their clocks.... During the Second World 1594# War,... [t]he cities agreed to implement DST during the summer 1595# months for the remainder of the war years. 1596 1597# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1598Zone America/Toronto -5:17:32 - LMT 1895 1599 -5:00 Canada E%sT 1919 | 1527# Manitoba Not used. 1528# Saskatchewan In Regina only. 1529# Alberta Not used. 1530# British Columbia Not used. 1531# 1532# With some exceptions, the use of daylight saving may be said to be limited 1533# to those cities and towns lying between Quebec city and Windsor, Ont. 1534 --- 52 unchanged lines hidden (view full) --- 1587# savings time in 1916, Fort William and Port Arthur, having done so 1588# already, did not change their clocks.... During the Second World 1589# War,... [t]he cities agreed to implement DST during the summer 1590# months for the remainder of the war years. 1591 1592# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1593Zone America/Toronto -5:17:32 - LMT 1895 1594 -5:00 Canada E%sT 1919 |
| 1600 -5:00 Toronto E%sT 1942 Feb 9 2:00s | 1595 -5:00 Toronto E%sT 1942 Feb 9 2:00s |
| 1601 -5:00 Canada E%sT 1946 1602 -5:00 Toronto E%sT 1974 1603 -5:00 Canada E%sT 1604Zone America/Thunder_Bay -5:57:00 - LMT 1895 1605 -6:00 - CST 1910 1606 -5:00 - EST 1942 1607 -5:00 Canada E%sT 1970 1608 -5:00 Toronto E%sT 1973 1609 -5:00 - EST 1974 1610 -5:00 Canada E%sT 1611Zone America/Nipigon -5:53:04 - LMT 1895 1612 -5:00 Canada E%sT 1940 Sep 29 | 1596 -5:00 Canada E%sT 1946 1597 -5:00 Toronto E%sT 1974 1598 -5:00 Canada E%sT 1599Zone America/Thunder_Bay -5:57:00 - LMT 1895 1600 -6:00 - CST 1910 1601 -5:00 - EST 1942 1602 -5:00 Canada E%sT 1970 1603 -5:00 Toronto E%sT 1973 1604 -5:00 - EST 1974 1605 -5:00 Canada E%sT 1606Zone America/Nipigon -5:53:04 - LMT 1895 1607 -5:00 Canada E%sT 1940 Sep 29 |
| 1613 -5:00 1:00 EDT 1942 Feb 9 2:00s | 1608 -5:00 1:00 EDT 1942 Feb 9 2:00s |
| 1614 -5:00 Canada E%sT 1615Zone America/Rainy_River -6:18:16 - LMT 1895 1616 -6:00 Canada C%sT 1940 Sep 29 | 1609 -5:00 Canada E%sT 1610Zone America/Rainy_River -6:18:16 - LMT 1895 1611 -6:00 Canada C%sT 1940 Sep 29 |
| 1617 -6:00 1:00 CDT 1942 Feb 9 2:00s | 1612 -6:00 1:00 CDT 1942 Feb 9 2:00s |
| 1618 -6:00 Canada C%sT 1619Zone America/Atikokan -6:06:28 - LMT 1895 1620 -6:00 Canada C%sT 1940 Sep 29 | 1613 -6:00 Canada C%sT 1614Zone America/Atikokan -6:06:28 - LMT 1895 1615 -6:00 Canada C%sT 1940 Sep 29 |
| 1621 -6:00 1:00 CDT 1942 Feb 9 2:00s 1622 -6:00 Canada C%sT 1945 Sep 30 2:00 | 1616 -6:00 1:00 CDT 1942 Feb 9 2:00s 1617 -6:00 Canada C%sT 1945 Sep 30 2:00 |
| 1623 -5:00 - EST 1624 1625 1626# Manitoba 1627 1628# From Rob Douglas (2006-04-06): 1629# the old Manitoba Time Act - as amended by Bill 2, assented to 1630# March 27, 1987 ... said ... --- 119 unchanged lines hidden (view full) --- 1750# 1751Rule Swift 1957 only - Apr lastSun 2:00 1:00 D 1752Rule Swift 1957 only - Oct lastSun 2:00 0 S 1753Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D 1754Rule Swift 1959 only - Oct lastSun 2:00 0 S 1755Rule Swift 1960 1961 - Sep lastSun 2:00 0 S 1756# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1757Zone America/Regina -6:58:36 - LMT 1905 Sep | 1618 -5:00 - EST 1619 1620 1621# Manitoba 1622 1623# From Rob Douglas (2006-04-06): 1624# the old Manitoba Time Act - as amended by Bill 2, assented to 1625# March 27, 1987 ... said ... --- 119 unchanged lines hidden (view full) --- 1745# 1746Rule Swift 1957 only - Apr lastSun 2:00 1:00 D 1747Rule Swift 1957 only - Oct lastSun 2:00 0 S 1748Rule Swift 1959 1961 - Apr lastSun 2:00 1:00 D 1749Rule Swift 1959 only - Oct lastSun 2:00 0 S 1750Rule Swift 1960 1961 - Sep lastSun 2:00 0 S 1751# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1752Zone America/Regina -6:58:36 - LMT 1905 Sep |
| 1758 -7:00 Regina M%sT 1960 Apr lastSun 2:00 | 1753 -7:00 Regina M%sT 1960 Apr lastSun 2:00 |
| 1759 -6:00 - CST 1760Zone America/Swift_Current -7:11:20 - LMT 1905 Sep | 1754 -6:00 - CST 1755Zone America/Swift_Current -7:11:20 - LMT 1905 Sep |
| 1761 -7:00 Canada M%sT 1946 Apr lastSun 2:00 | 1756 -7:00 Canada M%sT 1946 Apr lastSun 2:00 |
| 1762 -7:00 Regina M%sT 1950 | 1757 -7:00 Regina M%sT 1950 |
| 1763 -7:00 Swift M%sT 1972 Apr lastSun 2:00 | 1758 -7:00 Swift M%sT 1972 Apr lastSun 2:00 |
| 1764 -6:00 - CST 1765 1766 1767# Alberta 1768 1769# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1770Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D 1771Rule Edm 1918 only - Oct 27 2:00 0 S --- 41 unchanged lines hidden (view full) --- 1813# http://www.ilovecreston.com/?p=articles&t=spec&ar=260 1814# According to the article, Creston has not changed its clocks since June 1918. 1815# i.e. Creston has been stuck on UTC-7 for 93 years. 1816# Dawson Creek, on the other hand, changed its clocks as recently as April 1972. 1817 1818# Unfortunately the exact date for the time change in June 1918 remains 1819# unknown and will be difficult to ascertain. I e-mailed Tammy a few months 1820# ago to ask if Sunday June 2 was a reasonable guess. She said it was just | 1759 -6:00 - CST 1760 1761 1762# Alberta 1763 1764# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1765Rule Edm 1918 1919 - Apr Sun>=8 2:00 1:00 D 1766Rule Edm 1918 only - Oct 27 2:00 0 S --- 41 unchanged lines hidden (view full) --- 1808# http://www.ilovecreston.com/?p=articles&t=spec&ar=260 1809# According to the article, Creston has not changed its clocks since June 1918. 1810# i.e. Creston has been stuck on UTC-7 for 93 years. 1811# Dawson Creek, on the other hand, changed its clocks as recently as April 1972. 1812 1813# Unfortunately the exact date for the time change in June 1918 remains 1814# unknown and will be difficult to ascertain. I e-mailed Tammy a few months 1815# ago to ask if Sunday June 2 was a reasonable guess. She said it was just |
| 1821# as plausible as any other date (in June). She also said that after writing the 1822# article she had discovered another time change in 1916; this is the subject 1823# of another article which she wrote in October 2010. | 1816# as plausible as any other date (in June). She also said that after writing 1817# the article she had discovered another time change in 1916; this is the 1818# subject of another article which she wrote in October 2010. |
| 1824# http://www.creston.museum.bc.ca/index.php?module=comments&uop=view_comment&cm+id=56 1825 1826# Here is a summary of the three clock change events in Creston's history: 1827# 1. 1884 or 1885: adoption of Mountain Standard Time (GMT-7) 1828# Exact date unknown 1829# 2. Oct 1916: switch to Pacific Standard Time (GMT-8) | 1819# http://www.creston.museum.bc.ca/index.php?module=comments&uop=view_comment&cm+id=56 1820 1821# Here is a summary of the three clock change events in Creston's history: 1822# 1. 1884 or 1885: adoption of Mountain Standard Time (GMT-7) 1823# Exact date unknown 1824# 2. Oct 1916: switch to Pacific Standard Time (GMT-8) |
| 1830# Exact date in October unknown; Sunday October 1 is a reasonable guess. | 1825# Exact date in October unknown; Sunday October 1 is a reasonable guess. |
| 1831# 3. June 1918: switch to Pacific Daylight Time (GMT-7) 1832# Exact date in June unknown; Sunday June 2 is a reasonable guess. 1833# note#1: 1834# On Oct 27/1918 when daylight saving ended in the rest of Canada, 1835# Creston did not change its clocks. 1836# note#2: 1837# During WWII when the Federal Government legislated a mandatory clock change, 1838# Creston did not oblige. --- 23 unchanged lines hidden (view full) --- 1862Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S 1863Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S 1864# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1865Zone America/Vancouver -8:12:28 - LMT 1884 1866 -8:00 Vanc P%sT 1987 1867 -8:00 Canada P%sT 1868Zone America/Dawson_Creek -8:00:56 - LMT 1884 1869 -8:00 Canada P%sT 1947 | 1826# 3. June 1918: switch to Pacific Daylight Time (GMT-7) 1827# Exact date in June unknown; Sunday June 2 is a reasonable guess. 1828# note#1: 1829# On Oct 27/1918 when daylight saving ended in the rest of Canada, 1830# Creston did not change its clocks. 1831# note#2: 1832# During WWII when the Federal Government legislated a mandatory clock change, 1833# Creston did not oblige. --- 23 unchanged lines hidden (view full) --- 1857Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S 1858Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S 1859# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1860Zone America/Vancouver -8:12:28 - LMT 1884 1861 -8:00 Vanc P%sT 1987 1862 -8:00 Canada P%sT 1863Zone America/Dawson_Creek -8:00:56 - LMT 1884 1864 -8:00 Canada P%sT 1947 |
| 1870 -8:00 Vanc P%sT 1972 Aug 30 2:00 | 1865 -8:00 Vanc P%sT 1972 Aug 30 2:00 |
| 1871 -7:00 - MST 1872Zone America/Creston -7:46:04 - LMT 1884 1873 -7:00 - MST 1916 Oct 1 1874 -8:00 - PST 1918 Jun 2 1875 -7:00 - MST 1876 1877# Northwest Territories, Nunavut, Yukon 1878 --- 11 unchanged lines hidden (view full) --- 1890# From Chris Walton (2006-06-26): 1891# Here is a link to the old daylight saving portion of the interpretation 1892# act which was last updated in 1987: 1893# http://www.gov.yk.ca/legislation/regs/oic1987_056.pdf 1894 1895# From Rives McDow (1999-09-04): 1896# Nunavut ... moved ... to incorporate the whole territory into one time zone. 1897# Nunavut moves to single time zone Oct. 31 | 1866 -7:00 - MST 1867Zone America/Creston -7:46:04 - LMT 1884 1868 -7:00 - MST 1916 Oct 1 1869 -8:00 - PST 1918 Jun 2 1870 -7:00 - MST 1871 1872# Northwest Territories, Nunavut, Yukon 1873 --- 11 unchanged lines hidden (view full) --- 1885# From Chris Walton (2006-06-26): 1886# Here is a link to the old daylight saving portion of the interpretation 1887# act which was last updated in 1987: 1888# http://www.gov.yk.ca/legislation/regs/oic1987_056.pdf 1889 1890# From Rives McDow (1999-09-04): 1891# Nunavut ... moved ... to incorporate the whole territory into one time zone. 1892# Nunavut moves to single time zone Oct. 31 |
| 1898# <http://www.nunatsiaq.com/nunavut/nvt90903_13.html> | 1893# http://www.nunatsiaq.com/nunavut/nvt90903_13.html |
| 1899# 1900# From Antoine Leca (1999-09-06): 1901# We then need to create a new timezone for the Kitikmeot region of Nunavut 1902# to differentiate it from the Yellowknife region. 1903 1904# From Paul Eggert (1999-09-20): 1905# Basic Facts: The New Territory | 1894# 1895# From Antoine Leca (1999-09-06): 1896# We then need to create a new timezone for the Kitikmeot region of Nunavut 1897# to differentiate it from the Yellowknife region. 1898 1899# From Paul Eggert (1999-09-20): 1900# Basic Facts: The New Territory |
| 1906# <http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html> | 1901# http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html |
| 1907# (1999) reports that Pangnirtung operates on eastern time, 1908# and that Coral Harbour does not observe DST. We don't know when 1909# Pangnirtung switched to eastern time; we'll guess 1995. 1910 1911# From Rives McDow (1999-11-08): 1912# On October 31, when the rest of Nunavut went to Central time, 1913# Pangnirtung wobbled. Here is the result of their wobble: 1914# --- 12 unchanged lines hidden (view full) --- 1927# really interfere with any activities or make things difficult locally. 1928# They plan to celebrate New Year's turn-over twice, one hour apart, 1929# so it appears that the situation will last at least that long. 1930# The Nunavut Intergovernmental Affairs hopes that they will "come to 1931# their senses", but the locals evidently don't see any problem with 1932# the current state of affairs. 1933 1934# From Michaela Rodrigue, writing in the | 1902# (1999) reports that Pangnirtung operates on eastern time, 1903# and that Coral Harbour does not observe DST. We don't know when 1904# Pangnirtung switched to eastern time; we'll guess 1995. 1905 1906# From Rives McDow (1999-11-08): 1907# On October 31, when the rest of Nunavut went to Central time, 1908# Pangnirtung wobbled. Here is the result of their wobble: 1909# --- 12 unchanged lines hidden (view full) --- 1922# really interfere with any activities or make things difficult locally. 1923# They plan to celebrate New Year's turn-over twice, one hour apart, 1924# so it appears that the situation will last at least that long. 1925# The Nunavut Intergovernmental Affairs hopes that they will "come to 1926# their senses", but the locals evidently don't see any problem with 1927# the current state of affairs. 1928 1929# From Michaela Rodrigue, writing in the |
| 1935# Nunatsiaq News (1999-11-19) 1936# <http://www.nunatsiaq.com/archives/nunavut991130/nvt91119_17.html>: | 1930# Nunatsiaq News (1999-11-19): 1931# http://www.nunatsiaq.com/archives/nunavut991130/nvt91119_17.html |
| 1937# Clyde River, Pangnirtung and Sanikiluaq now operate with two time zones, 1938# central - or Nunavut time - for government offices, and eastern time 1939# for municipal offices and schools.... Igloolik [was similar but then] 1940# made the switch to central time on Saturday, Nov. 6. 1941 1942# From Paul Eggert (2000-10-02): 1943# Matthews and Vincent (1998) say the following, but we lack histories 1944# for these potential new Zones. --- 30 unchanged lines hidden (view full) --- 1975# back to three time zones (mountain, central, and eastern). Of the 1976# cities in Nunavut, Coral Harbor is the only one that I know of that 1977# has said it will not observe dst, staying on EST year round. I'm 1978# checking for more info, and will get back to you if I come up with 1979# more. 1980# [Also see <http://www.nunatsiaq.com/nunavut/nvt10309_06.html> (2001-03-09).] 1981 1982# From Gwillim Law (2005-05-21): | 1932# Clyde River, Pangnirtung and Sanikiluaq now operate with two time zones, 1933# central - or Nunavut time - for government offices, and eastern time 1934# for municipal offices and schools.... Igloolik [was similar but then] 1935# made the switch to central time on Saturday, Nov. 6. 1936 1937# From Paul Eggert (2000-10-02): 1938# Matthews and Vincent (1998) say the following, but we lack histories 1939# for these potential new Zones. --- 30 unchanged lines hidden (view full) --- 1970# back to three time zones (mountain, central, and eastern). Of the 1971# cities in Nunavut, Coral Harbor is the only one that I know of that 1972# has said it will not observe dst, staying on EST year round. I'm 1973# checking for more info, and will get back to you if I come up with 1974# more. 1975# [Also see <http://www.nunatsiaq.com/nunavut/nvt10309_06.html> (2001-03-09).] 1976 1977# From Gwillim Law (2005-05-21): |
| 1983# According to maps at 1984# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SWE.jpg 1985# http://inms-ienm.nrc-cnrc.gc.ca/images/time_services/TZ01SSE.jpg 1986# (both dated 2003), and | 1978# According to ... |
| 1987# http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp 1988# (from a 1998 Canadian Geographic article), the de facto and de jure time 1989# for Southampton Island (at the north end of Hudson Bay) is UTC-5 all year 1990# round. Using Google, it's easy to find other websites that confirm this. 1991# I wasn't able to find how far back this time regimen goes, but since it 1992# predates the creation of Nunavut, it probably goes back many years.... 1993# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used. 1994# | 1979# http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp 1980# (from a 1998 Canadian Geographic article), the de facto and de jure time 1981# for Southampton Island (at the north end of Hudson Bay) is UTC-5 all year 1982# round. Using Google, it's easy to find other websites that confirm this. 1983# I wasn't able to find how far back this time regimen goes, but since it 1984# predates the creation of Nunavut, it probably goes back many years.... 1985# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used. 1986# |
| 1995# From Paul Eggert (2005-07-26): | 1987# From Paul Eggert (2014-10-17): |
| 1996# For lack of better information, assume that Southampton Island observed | 1988# For lack of better information, assume that Southampton Island observed |
| 1997# daylight saving only during wartime. | 1989# daylight saving only during wartime. Gwillim Law's email also 1990# mentioned maps now maintained by National Research Council Canada; 1991# see above for an up-to-date link. |
| 1998 1999# From Chris Walton (2007-03-01): 2000# ... the community of Resolute (located on Cornwallis Island in 2001# Nunavut) moved from Central Time to Eastern Time last November. 2002# Basically the community did not change its clocks at the end of 2003# daylight saving.... 2004# http://www.nnsl.com/frames/newspapers/2006-11/nov13_06none.html 2005 --- 70 unchanged lines hidden (view full) --- 2076Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD 2077Rule NT_YK 1965 only - Oct lastSun 2:00 0 S 2078Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D 2079Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S 2080Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D 2081# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2082# aka Panniqtuuq 2083Zone America/Pangnirtung 0 - zzz 1921 # trading post est. | 1992 1993# From Chris Walton (2007-03-01): 1994# ... the community of Resolute (located on Cornwallis Island in 1995# Nunavut) moved from Central Time to Eastern Time last November. 1996# Basically the community did not change its clocks at the end of 1997# daylight saving.... 1998# http://www.nnsl.com/frames/newspapers/2006-11/nov13_06none.html 1999 --- 70 unchanged lines hidden (view full) --- 2070Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD 2071Rule NT_YK 1965 only - Oct lastSun 2:00 0 S 2072Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D 2073Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S 2074Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D 2075# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2076# aka Panniqtuuq 2077Zone America/Pangnirtung 0 - zzz 1921 # trading post est. |
| 2084 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 2085 -5:00 Canada E%sT 1999 Oct 31 2:00 2086 -6:00 Canada C%sT 2000 Oct 29 2:00 | 2078 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 2079 -5:00 Canada E%sT 1999 Oct 31 2:00 2080 -6:00 Canada C%sT 2000 Oct 29 2:00 |
| 2087 -5:00 Canada E%sT 2088# formerly Frobisher Bay 2089Zone America/Iqaluit 0 - zzz 1942 Aug # Frobisher Bay est. | 2081 -5:00 Canada E%sT 2082# formerly Frobisher Bay 2083Zone America/Iqaluit 0 - zzz 1942 Aug # Frobisher Bay est. |
| 2090 -5:00 NT_YK E%sT 1999 Oct 31 2:00 2091 -6:00 Canada C%sT 2000 Oct 29 2:00 | 2084 -5:00 NT_YK E%sT 1999 Oct 31 2:00 2085 -6:00 Canada C%sT 2000 Oct 29 2:00 |
| 2092 -5:00 Canada E%sT 2093# aka Qausuittuq 2094Zone America/Resolute 0 - zzz 1947 Aug 31 # Resolute founded | 2086 -5:00 Canada E%sT 2087# aka Qausuittuq 2088Zone America/Resolute 0 - zzz 1947 Aug 31 # Resolute founded |
| 2095 -6:00 NT_YK C%sT 2000 Oct 29 2:00 2096 -5:00 - EST 2001 Apr 1 3:00 2097 -6:00 Canada C%sT 2006 Oct 29 2:00 2098 -5:00 - EST 2007 Mar 11 3:00 | 2089 -6:00 NT_YK C%sT 2000 Oct 29 2:00 2090 -5:00 - EST 2001 Apr 1 3:00 2091 -6:00 Canada C%sT 2006 Oct 29 2:00 2092 -5:00 - EST 2007 Mar 11 3:00 |
| 2099 -6:00 Canada C%sT 2100# aka Kangiqiniq 2101Zone America/Rankin_Inlet 0 - zzz 1957 # Rankin Inlet founded | 2093 -6:00 Canada C%sT 2094# aka Kangiqiniq 2095Zone America/Rankin_Inlet 0 - zzz 1957 # Rankin Inlet founded |
| 2102 -6:00 NT_YK C%sT 2000 Oct 29 2:00 2103 -5:00 - EST 2001 Apr 1 3:00 | 2096 -6:00 NT_YK C%sT 2000 Oct 29 2:00 2097 -5:00 - EST 2001 Apr 1 3:00 |
| 2104 -6:00 Canada C%sT 2105# aka Iqaluktuuttiaq 2106Zone America/Cambridge_Bay 0 - zzz 1920 # trading post est.? | 2098 -6:00 Canada C%sT 2099# aka Iqaluktuuttiaq 2100Zone America/Cambridge_Bay 0 - zzz 1920 # trading post est.? |
| 2107 -7:00 NT_YK M%sT 1999 Oct 31 2:00 2108 -6:00 Canada C%sT 2000 Oct 29 2:00 2109 -5:00 - EST 2000 Nov 5 0:00 2110 -6:00 - CST 2001 Apr 1 3:00 | 2101 -7:00 NT_YK M%sT 1999 Oct 31 2:00 2102 -6:00 Canada C%sT 2000 Oct 29 2:00 2103 -5:00 - EST 2000 Nov 5 0:00 2104 -6:00 - CST 2001 Apr 1 3:00 |
| 2111 -7:00 Canada M%sT 2112Zone America/Yellowknife 0 - zzz 1935 # Yellowknife founded? 2113 -7:00 NT_YK M%sT 1980 2114 -7:00 Canada M%sT 2115Zone America/Inuvik 0 - zzz 1953 # Inuvik founded | 2105 -7:00 Canada M%sT 2106Zone America/Yellowknife 0 - zzz 1935 # Yellowknife founded? 2107 -7:00 NT_YK M%sT 1980 2108 -7:00 Canada M%sT 2109Zone America/Inuvik 0 - zzz 1953 # Inuvik founded |
| 2116 -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 | 2110 -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 |
| 2117 -7:00 NT_YK M%sT 1980 2118 -7:00 Canada M%sT 2119Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 | 2111 -7:00 NT_YK M%sT 1980 2112 -7:00 Canada M%sT 2113Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 |
| 2120 -9:00 NT_YK Y%sT 1966 Jul 1 2:00 | 2114 -9:00 NT_YK Y%sT 1966 Jul 1 2:00 |
| 2121 -8:00 NT_YK P%sT 1980 2122 -8:00 Canada P%sT 2123Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 | 2115 -8:00 NT_YK P%sT 1980 2116 -8:00 Canada P%sT 2117Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 |
| 2124 -9:00 NT_YK Y%sT 1973 Oct 28 0:00 | 2118 -9:00 NT_YK Y%sT 1973 Oct 28 0:00 |
| 2125 -8:00 NT_YK P%sT 1980 2126 -8:00 Canada P%sT 2127 2128 2129############################################################################### 2130 2131# Mexico 2132 2133# From Paul Eggert (2001-03-05): 2134# The Investigation and Analysis Service of the 2135# Mexican Library of Congress (MLoC) has published a 2136# history of Mexican local time (in Spanish) | 2119 -8:00 NT_YK P%sT 1980 2120 -8:00 Canada P%sT 2121 2122 2123############################################################################### 2124 2125# Mexico 2126 2127# From Paul Eggert (2001-03-05): 2128# The Investigation and Analysis Service of the 2129# Mexican Library of Congress (MLoC) has published a 2130# history of Mexican local time (in Spanish) |
| 2137# <http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/>. | 2131# http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/ |
| 2138# 2139# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC. 2140# (In all cases we go with the MLoC.) 2141# S&P report that Baja was at -8:00 in 1922/1923. 2142# S&P say the 1930 transition in Baja was 1930-11-16. 2143# S&P report no DST during summer 1931. 2144# S&P report a transition at 1932-03-30 23:00, not 1932-04-01. 2145 --- 28 unchanged lines hidden (view full) --- 2174# BajaSur: GMT+7 2175# General: GMT+6 2176# 2177# The Decree was published in Mexico's Official Newspaper on January 4th. 2178# 2179# -------------- End Forwarded Message -------------- 2180# From Paul Eggert (1996-06-12): 2181# For an English translation of the decree, see | 2132# 2133# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC. 2134# (In all cases we go with the MLoC.) 2135# S&P report that Baja was at -8:00 in 1922/1923. 2136# S&P say the 1930 transition in Baja was 1930-11-16. 2137# S&P report no DST during summer 1931. 2138# S&P report a transition at 1932-03-30 23:00, not 1932-04-01. 2139 --- 28 unchanged lines hidden (view full) --- 2168# BajaSur: GMT+7 2169# General: GMT+6 2170# 2171# The Decree was published in Mexico's Official Newspaper on January 4th. 2172# 2173# -------------- End Forwarded Message -------------- 2174# From Paul Eggert (1996-06-12): 2175# For an English translation of the decree, see |
| 2182# "Diario Oficial: Time Zone Changeover" (1996-01-04) 2183# <http://mexico-travel.com/extra/timezone_eng.html>. | 2176# "Diario Oficial: Time Zone Changeover" (1996-01-04). 2177# http://mexico-travel.com/extra/timezone_eng.html |
| 2184 2185# From Rives McDow (1998-10-08): 2186# The State of Quintana Roo has reverted back to central STD and DST times 2187# (i.e. UTC -0600 and -0500 as of 1998-08-02). 2188 2189# From Rives McDow (2000-01-10): 2190# Effective April 4, 1999 at 2:00 AM local time, Sonora changed to the time 2191# zone 5 hours from the International Date Line, and will not observe daylight --- 8 unchanged lines hidden (view full) --- 2200# whole year. 2201 2202# From Gwillim Law (2001-01-19): 2203# <http://www.reforma.com/negocios_y_dinero/articulo/064481/> ... says 2204# (translated):... 2205# January 17, 2000 - The Energy Secretary, Ernesto Martens, announced 2206# that Summer Time will be reduced from seven to five months, starting 2207# this year.... | 2178 2179# From Rives McDow (1998-10-08): 2180# The State of Quintana Roo has reverted back to central STD and DST times 2181# (i.e. UTC -0600 and -0500 as of 1998-08-02). 2182 2183# From Rives McDow (2000-01-10): 2184# Effective April 4, 1999 at 2:00 AM local time, Sonora changed to the time 2185# zone 5 hours from the International Date Line, and will not observe daylight --- 8 unchanged lines hidden (view full) --- 2194# whole year. 2195 2196# From Gwillim Law (2001-01-19): 2197# <http://www.reforma.com/negocios_y_dinero/articulo/064481/> ... says 2198# (translated):... 2199# January 17, 2000 - The Energy Secretary, Ernesto Martens, announced 2200# that Summer Time will be reduced from seven to five months, starting 2201# this year.... |
| 2208# <http://www.publico.com.mx/scripts/texto3.asp?action=pagina&pag=21&pos=p&secc=naci&date=01/17/2001> | 2202# http://www.publico.com.mx/scripts/texto3.asp?action=pagina&pag=21&pos=p&secc=naci&date=01/17/2001 |
| 2209# [translated], says "summer time will ... take effect on the first Sunday 2210# in May, and end on the last Sunday of September. 2211 2212# From Arthur David Olson (2001-01-25): 2213# The 2001-01-24 traditional Washington Post contained the page one 2214# story "Timely Issue Divides Mexicans."... 2215# http://www.washingtonpost.com/wp-dyn/articles/A37383-2001Jan23.html 2216# ... Mexico City Mayor L��pez Obrador "...is threatening to keep 2217# Mexico City and its 20 million residents on a different time than 2218# the rest of the country..." In particular, L��pez Obrador would abolish 2219# observation of Daylight Saving Time. 2220 2221# Official statute published by the Energy Department | 2203# [translated], says "summer time will ... take effect on the first Sunday 2204# in May, and end on the last Sunday of September. 2205 2206# From Arthur David Olson (2001-01-25): 2207# The 2001-01-24 traditional Washington Post contained the page one 2208# story "Timely Issue Divides Mexicans."... 2209# http://www.washingtonpost.com/wp-dyn/articles/A37383-2001Jan23.html 2210# ... Mexico City Mayor L��pez Obrador "...is threatening to keep 2211# Mexico City and its 20 million residents on a different time than 2212# the rest of the country..." In particular, L��pez Obrador would abolish 2213# observation of Daylight Saving Time. 2214 2215# Official statute published by the Energy Department |
| 2222# <http://www.conae.gob.mx/ahorro/decretohorver2001.html#decre> | 2216# http://www.conae.gob.mx/ahorro/decretohorver2001.html#decre |
| 2223# (2001-02-01) shows Baja and Chihauhua as still using US DST rules, 2224# and Sonora with no DST. This was reported by Jesper N��rgaard (2001-02-03). 2225 2226# From Paul Eggert (2001-03-03): 2227# | 2217# (2001-02-01) shows Baja and Chihauhua as still using US DST rules, 2218# and Sonora with no DST. This was reported by Jesper N��rgaard (2001-02-03). 2219 2220# From Paul Eggert (2001-03-03): 2221# |
| 2228# <http://www.latimes.com/news/nation/20010303/t000018766.html> | 2222# http://www.latimes.com/news/nation/20010303/t000018766.html |
| 2229# James F. Smith writes in today's LA Times 2230# * Sonora will continue to observe standard time. 2231# * Last week Mexico City's mayor Andr��s Manuel L��pez Obrador decreed that 2232# the Federal District will not adopt DST. 2233# * 4 of 16 district leaders announced they'll ignore the decree. 2234# * The decree does not affect federal-controlled facilities including 2235# the airport, banks, hospitals, and schools. 2236# --- 99 unchanged lines hidden (view full) --- 2336 -6:00 Mexico C%sT 2010 2337 -6:00 US C%sT 2338# Coahuila, Durango, Nuevo Le��n, Tamaulipas (away from US border) 2339Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44 2340 -6:00 - CST 1988 2341 -6:00 US C%sT 1989 2342 -6:00 Mexico C%sT 2343# Central Mexico | 2223# James F. Smith writes in today's LA Times 2224# * Sonora will continue to observe standard time. 2225# * Last week Mexico City's mayor Andr��s Manuel L��pez Obrador decreed that 2226# the Federal District will not adopt DST. 2227# * 4 of 16 district leaders announced they'll ignore the decree. 2228# * The decree does not affect federal-controlled facilities including 2229# the airport, banks, hospitals, and schools. 2230# --- 99 unchanged lines hidden (view full) --- 2330 -6:00 Mexico C%sT 2010 2331 -6:00 US C%sT 2332# Coahuila, Durango, Nuevo Le��n, Tamaulipas (away from US border) 2333Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44 2334 -6:00 - CST 1988 2335 -6:00 US C%sT 1989 2336 -6:00 Mexico C%sT 2337# Central Mexico |
| 2344Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 | 2338Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 |
| 2345 -7:00 - MST 1927 Jun 10 23:00 2346 -6:00 - CST 1930 Nov 15 2347 -7:00 - MST 1931 May 1 23:00 2348 -6:00 - CST 1931 Oct 2349 -7:00 - MST 1932 Apr 1 | 2339 -7:00 - MST 1927 Jun 10 23:00 2340 -6:00 - CST 1930 Nov 15 2341 -7:00 - MST 1931 May 1 23:00 2342 -6:00 - CST 1931 Oct 2343 -7:00 - MST 1932 Apr 1 |
| 2350 -6:00 Mexico C%sT 2001 Sep 30 02:00 | 2344 -6:00 Mexico C%sT 2001 Sep 30 2:00 |
| 2351 -6:00 - CST 2002 Feb 20 2352 -6:00 Mexico C%sT 2353# Chihuahua (near US border) | 2345 -6:00 - CST 2002 Feb 20 2346 -6:00 Mexico C%sT 2347# Chihuahua (near US border) |
| 2354Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20 | 2348Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20 |
| 2355 -7:00 - MST 1927 Jun 10 23:00 2356 -6:00 - CST 1930 Nov 15 2357 -7:00 - MST 1931 May 1 23:00 2358 -6:00 - CST 1931 Oct 2359 -7:00 - MST 1932 Apr 1 2360 -6:00 - CST 1996 2361 -6:00 Mexico C%sT 1998 | 2349 -7:00 - MST 1927 Jun 10 23:00 2350 -6:00 - CST 1930 Nov 15 2351 -7:00 - MST 1931 May 1 23:00 2352 -6:00 - CST 1931 Oct 2353 -7:00 - MST 1932 Apr 1 2354 -6:00 - CST 1996 2355 -6:00 Mexico C%sT 1998 |
| 2362 -6:00 - CST 1998 Apr Sun>=1 3:00 | 2356 -6:00 - CST 1998 Apr Sun>=1 3:00 |
| 2363 -7:00 Mexico M%sT 2010 2364 -7:00 US M%sT 2365# Chihuahua (away from US border) 2366Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40 2367 -7:00 - MST 1927 Jun 10 23:00 2368 -6:00 - CST 1930 Nov 15 2369 -7:00 - MST 1931 May 1 23:00 2370 -6:00 - CST 1931 Oct 2371 -7:00 - MST 1932 Apr 1 2372 -6:00 - CST 1996 2373 -6:00 Mexico C%sT 1998 | 2357 -7:00 Mexico M%sT 2010 2358 -7:00 US M%sT 2359# Chihuahua (away from US border) 2360Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40 2361 -7:00 - MST 1927 Jun 10 23:00 2362 -6:00 - CST 1930 Nov 15 2363 -7:00 - MST 1931 May 1 23:00 2364 -6:00 - CST 1931 Oct 2365 -7:00 - MST 1932 Apr 1 2366 -6:00 - CST 1996 2367 -6:00 Mexico C%sT 1998 |
| 2374 -6:00 - CST 1998 Apr Sun>=1 3:00 | 2368 -6:00 - CST 1998 Apr Sun>=1 3:00 |
| 2375 -7:00 Mexico M%sT 2376# Sonora 2377Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08 2378 -7:00 - MST 1927 Jun 10 23:00 2379 -6:00 - CST 1930 Nov 15 2380 -7:00 - MST 1931 May 1 23:00 2381 -6:00 - CST 1931 Oct 2382 -7:00 - MST 1932 Apr 1 --- 47 unchanged lines hidden (view full) --- 2430 -7:00 - MST 1927 Jun 10 23:00 2431 -6:00 - CST 1930 Nov 15 2432 -7:00 - MST 1931 May 1 23:00 2433 -6:00 - CST 1931 Oct 2434 -7:00 - MST 1932 Apr 1 2435 -6:00 - CST 1942 Apr 24 2436 -7:00 - MST 1949 Jan 14 2437 -8:00 - PST 1970 | 2369 -7:00 Mexico M%sT 2370# Sonora 2371Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08 2372 -7:00 - MST 1927 Jun 10 23:00 2373 -6:00 - CST 1930 Nov 15 2374 -7:00 - MST 1931 May 1 23:00 2375 -6:00 - CST 1931 Oct 2376 -7:00 - MST 1932 Apr 1 --- 47 unchanged lines hidden (view full) --- 2424 -7:00 - MST 1927 Jun 10 23:00 2425 -6:00 - CST 1930 Nov 15 2426 -7:00 - MST 1931 May 1 23:00 2427 -6:00 - CST 1931 Oct 2428 -7:00 - MST 1932 Apr 1 2429 -6:00 - CST 1942 Apr 24 2430 -7:00 - MST 1949 Jan 14 2431 -8:00 - PST 1970 |
| 2438 -7:00 Mexico M%sT 2010 Apr 4 2:00 | 2432 -7:00 Mexico M%sT 2010 Apr 4 2:00 |
| 2439 -6:00 Mexico C%sT 2440 2441# Baja California (near US border) 2442Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 2443 -7:00 - MST 1924 2444 -8:00 - PST 1927 Jun 10 23:00 2445 -7:00 - MST 1930 Nov 15 2446 -8:00 - PST 1931 Apr 1 --- 79 unchanged lines hidden (view full) --- 2526 2527# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2528Rule Barb 1977 only - Jun 12 2:00 1:00 D 2529Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S 2530Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D 2531Rule Barb 1979 only - Sep 30 2:00 0 S 2532Rule Barb 1980 only - Sep 25 2:00 0 S 2533# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2433 -6:00 Mexico C%sT 2434 2435# Baja California (near US border) 2436Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 2437 -7:00 - MST 1924 2438 -8:00 - PST 1927 Jun 10 23:00 2439 -7:00 - MST 1930 Nov 15 2440 -8:00 - PST 1931 Apr 1 --- 79 unchanged lines hidden (view full) --- 2520 2521# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2522Rule Barb 1977 only - Jun 12 2:00 1:00 D 2523Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S 2524Rule Barb 1978 1980 - Apr Sun>=15 2:00 1:00 D 2525Rule Barb 1979 only - Sep 30 2:00 0 S 2526Rule Barb 1980 only - Sep 25 2:00 0 S 2527# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2534Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown 2535 -3:58:29 - BMT 1932 # Bridgetown Mean Time | 2528Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown 2529 -3:58:29 - BMT 1932 # Bridgetown Mean Time |
| 2536 -4:00 Barb A%sT 2537 2538# Belize 2539# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. 2540# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2541Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD 2542Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S 2543Rule Belize 1973 only - Dec 5 0:00 1:00 D --- 13 unchanged lines hidden (view full) --- 2557 2558# Next year, however, clocks in the US will go forward on the second Sunday 2559# in March, until the first Sunday in November. And, after the Time Zone 2560# (Seasonal Variation) Bill 2006 was passed in the House of Assembly on 2561# Friday, the same thing will happen in Bermuda. 2562# http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 2563 2564# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2530 -4:00 Barb A%sT 2531 2532# Belize 2533# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. 2534# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2535Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD 2536Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S 2537Rule Belize 1973 only - Dec 5 0:00 1:00 D --- 13 unchanged lines hidden (view full) --- 2551 2552# Next year, however, clocks in the US will go forward on the second Sunday 2553# in March, until the first Sunday in November. And, after the Time Zone 2554# (Seasonal Variation) Bill 2006 was passed in the House of Assembly on 2555# Friday, the same thing will happen in Bermuda. 2556# http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135 2557 2558# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2565Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton 2566 -4:00 - AST 1974 Apr 28 2:00 | 2559Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton 2560 -4:00 - AST 1974 Apr 28 2:00 |
| 2567 -4:00 Canada A%sT 1976 2568 -4:00 US A%sT 2569 2570# Cayman Is 2571# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2561 -4:00 Canada A%sT 1976 2562 -4:00 US A%sT 2563 2564# Cayman Is 2565# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2572Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown 2573 -5:07:11 - KMT 1912 Feb # Kingston Mean Time | 2566Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown 2567 -5:07:11 - KMT 1912 Feb # Kingston Mean Time |
| 2574 -5:00 - EST 2575 2576# Costa Rica 2577 2578# Milne gives -5:36:13.3 as San Jos�� mean time; round to nearest. 2579 2580# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2581Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D 2582Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S 2583Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D 2584# IATA SSIM (1991-09) says the following was at 1:00; 2585# go with Shanks & Pottenger. 2586Rule CR 1991 only - Jul 1 0:00 0 S 2587Rule CR 1992 only - Mar 15 0:00 0 S 2588# There are too many San Jos��s elsewhere, so we'll use 'Costa Rica'. 2589# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2568 -5:00 - EST 2569 2570# Costa Rica 2571 2572# Milne gives -5:36:13.3 as San Jos�� mean time; round to nearest. 2573 2574# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2575Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D 2576Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S 2577Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D 2578# IATA SSIM (1991-09) says the following was at 1:00; 2579# go with Shanks & Pottenger. 2580Rule CR 1991 only - Jul 1 0:00 0 S 2581Rule CR 1992 only - Mar 15 0:00 0 S 2582# There are too many San Jos��s elsewhere, so we'll use 'Costa Rica'. 2583# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2590Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jos�� | 2584Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jos�� |
| 2591 -5:36:13 - SJMT 1921 Jan 15 # San Jos�� Mean Time 2592 -6:00 CR C%sT 2593# Coco 2594# no information; probably like America/Costa_Rica 2595 2596# Cuba 2597 2598# From Paul Eggert (2013-02-21): --- 227 unchanged lines hidden (view full) --- 2826Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD 2827Rule DR 1970 only - Feb 21 0:00 0 S 2828Rule DR 1971 only - Jan 20 0:00 0 S 2829Rule DR 1972 1974 - Jan 21 0:00 0 S 2830# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2831Zone America/Santo_Domingo -4:39:36 - LMT 1890 2832 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT 2833 -5:00 DR E%sT 1974 Oct 27 | 2585 -5:36:13 - SJMT 1921 Jan 15 # San Jos�� Mean Time 2586 -6:00 CR C%sT 2587# Coco 2588# no information; probably like America/Costa_Rica 2589 2590# Cuba 2591 2592# From Paul Eggert (2013-02-21): --- 227 unchanged lines hidden (view full) --- 2820Rule DR 1969 1973 - Oct lastSun 0:00 0:30 HD 2821Rule DR 1970 only - Feb 21 0:00 0 S 2822Rule DR 1971 only - Jan 20 0:00 0 S 2823Rule DR 1972 1974 - Jan 21 0:00 0 S 2824# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2825Zone America/Santo_Domingo -4:39:36 - LMT 1890 2826 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT 2827 -5:00 DR E%sT 1974 Oct 27 |
| 2834 -4:00 - AST 2000 Oct 29 02:00 2835 -5:00 US E%sT 2000 Dec 3 01:00 | 2828 -4:00 - AST 2000 Oct 29 2:00 2829 -5:00 US E%sT 2000 Dec 3 1:00 |
| 2836 -4:00 - AST 2837 2838# El Salvador 2839 2840# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2841Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D 2842Rule Salv 1987 1988 - Sep lastSun 0:00 0 S 2843# There are too many San Salvadors elsewhere, so use America/El_Salvador 2844# instead of America/San_Salvador. 2845# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2830 -4:00 - AST 2831 2832# El Salvador 2833 2834# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2835Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D 2836Rule Salv 1987 1988 - Sep lastSun 0:00 0 S 2837# There are too many San Salvadors elsewhere, so use America/El_Salvador 2838# instead of America/San_Salvador. 2839# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2846Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador | 2840Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador |
| 2847 -6:00 Salv C%sT 2848 2849# Grenada 2850# Guadeloupe 2851# St Barth��lemy 2852# St Martin (French part) 2853# See America/Port_of_Spain. 2854 --- 4 unchanged lines hidden (view full) --- 2859# <http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079>, 2860# says in an article dated 2006-04-19 that the Guatemalan government had 2861# decided on that date to advance official time by 60 minutes, to lessen the 2862# impact of the elevated cost of oil.... Daylight saving time will last from 2863# 2006-04-29 24:00 (Guatemalan standard time) to 2006-09-30 (time unspecified). 2864# From Paul Eggert (2006-06-22): 2865# The Ministry of Energy and Mines, press release CP-15/2006 2866# (2006-04-19), says DST ends at 24:00. See | 2841 -6:00 Salv C%sT 2842 2843# Grenada 2844# Guadeloupe 2845# St Barth��lemy 2846# St Martin (French part) 2847# See America/Port_of_Spain. 2848 --- 4 unchanged lines hidden (view full) --- 2853# <http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079>, 2854# says in an article dated 2006-04-19 that the Guatemalan government had 2855# decided on that date to advance official time by 60 minutes, to lessen the 2856# impact of the elevated cost of oil.... Daylight saving time will last from 2857# 2006-04-29 24:00 (Guatemalan standard time) to 2006-09-30 (time unspecified). 2858# From Paul Eggert (2006-06-22): 2859# The Ministry of Energy and Mines, press release CP-15/2006 2860# (2006-04-19), says DST ends at 24:00. See |
| 2867# <http://www.sieca.org.gt/Sitio_publico/Energeticos/Doc/Medidas/Cambio_Horario_Nac_190406.pdf>. | 2861# http://www.sieca.org.gt/Sitio_publico/Energeticos/Doc/Medidas/Cambio_Horario_Nac_190406.pdf |
| 2868 2869# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2870Rule Guat 1973 only - Nov 25 0:00 1:00 D 2871Rule Guat 1974 only - Feb 24 0:00 0 S 2872Rule Guat 1983 only - May 21 0:00 1:00 D 2873Rule Guat 1983 only - Sep 22 0:00 0 S 2874Rule Guat 1991 only - Mar 23 0:00 1:00 D 2875Rule Guat 1991 only - Sep 7 0:00 0 S --- 86 unchanged lines hidden (view full) --- 2962# of Honduras, refused to back down on this. 2963 2964# From Jesper N��rgaard Welen (2006-08-08): 2965# It seems that Honduras has returned from DST to standard time this Monday at 2966# 00:00 hours (prolonging Sunday to 25 hours duration). 2967# http://www.worldtimezone.com/dst_news/dst_news_honduras04.html 2968 2969# From Paul Eggert (2006-08-08): | 2862 2863# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2864Rule Guat 1973 only - Nov 25 0:00 1:00 D 2865Rule Guat 1974 only - Feb 24 0:00 0 S 2866Rule Guat 1983 only - May 21 0:00 1:00 D 2867Rule Guat 1983 only - Sep 22 0:00 0 S 2868Rule Guat 1991 only - Mar 23 0:00 1:00 D 2869Rule Guat 1991 only - Sep 7 0:00 0 S --- 86 unchanged lines hidden (view full) --- 2956# of Honduras, refused to back down on this. 2957 2958# From Jesper N��rgaard Welen (2006-08-08): 2959# It seems that Honduras has returned from DST to standard time this Monday at 2960# 00:00 hours (prolonging Sunday to 25 hours duration). 2961# http://www.worldtimezone.com/dst_news/dst_news_honduras04.html 2962 2963# From Paul Eggert (2006-08-08): |
| 2970# Also see Diario El Heraldo, The country returns to standard time (2006-08-08) 2971# <http://www.elheraldo.hn/nota.php?nid=54941&sec=12>. | 2964# Also see Diario El Heraldo, The country returns to standard time (2006-08-08). 2965# http://www.elheraldo.hn/nota.php?nid=54941&sec=12 |
| 2972# It mentions executive decree 18-2006. 2973 2974# From Steffen Thorsen (2006-08-17): 2975# Honduras will observe DST from 2007 to 2009, exact dates are not 2976# published, I have located this authoritative source: 2977# http://www.presidencia.gob.hn/noticia.aspx?nId=47 2978 2979# From Steffen Thorsen (2007-03-30): --- 10 unchanged lines hidden (view full) --- 2990 -6:00 Hond C%sT 2991# 2992# Great Swan I ceded by US to Honduras in 1972 2993 2994# Jamaica 2995# Shanks & Pottenger give -5:07:12, but Milne records -5:07:10.41 from an 2996# unspecified official document, and says "This time is used throughout the 2997# island". Go with Milne. Round to the nearest second as required by zic. | 2966# It mentions executive decree 18-2006. 2967 2968# From Steffen Thorsen (2006-08-17): 2969# Honduras will observe DST from 2007 to 2009, exact dates are not 2970# published, I have located this authoritative source: 2971# http://www.presidencia.gob.hn/noticia.aspx?nId=47 2972 2973# From Steffen Thorsen (2007-03-30): --- 10 unchanged lines hidden (view full) --- 2984 -6:00 Hond C%sT 2985# 2986# Great Swan I ceded by US to Honduras in 1972 2987 2988# Jamaica 2989# Shanks & Pottenger give -5:07:12, but Milne records -5:07:10.41 from an 2990# unspecified official document, and says "This time is used throughout the 2991# island". Go with Milne. Round to the nearest second as required by zic. |
| 2992# 2993# Shanks & Pottenger give April 28 for the 1974 spring-forward transition, but 2994# Lance Neita writes that Prime Minister Michael Manley decreed it January 5. 2995# Assume Neita meant Jan 6 02:00, the same as the US. Neita also writes that 2996# Manley's supporters associated this act with Manley's nickname "Joshua" 2997# (recall that in the Bible the sun stood still at Joshua's request), 2998# and with the Rod of Correction which Manley said he had received from 2999# Haile Selassie, Emperor of Ethiopia. See: 3000# Neita L. The politician in all of us. Jamaica Observer 2014-09-20 3001# http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647 3002# |
|
| 2998# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 3003# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2999Zone America/Jamaica -5:07:11 - LMT 1890 # Kingston | 3004Zone America/Jamaica -5:07:11 - LMT 1890 # Kingston |
| 3000 -5:07:11 - KMT 1912 Feb # Kingston Mean Time | 3005 -5:07:11 - KMT 1912 Feb # Kingston Mean Time |
| 3001 -5:00 - EST 1974 Apr 28 2:00 | 3006 -5:00 - EST 1974 |
| 3002 -5:00 US E%sT 1984 3003 -5:00 - EST 3004 3005# Martinique 3006# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 3007 -5:00 US E%sT 1984 3008 -5:00 - EST 3009 3010# Martinique 3011# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 3007Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France 3008 -4:04:20 - FFMT 1911 May # Fort-de-France MT | 3012Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France 3013 -4:04:20 - FFMT 1911 May # Fort-de-France MT |
| 3009 -4:00 - AST 1980 Apr 6 3010 -4:00 1:00 ADT 1980 Sep 28 3011 -4:00 - AST 3012 3013# Montserrat 3014# See America/Port_of_Spain. 3015 3016# Nicaragua --- 12 unchanged lines hidden (view full) --- 3029# 3030# From Paul Eggert (2005-05-01): 3031# The decree doesn't say anything about daylight saving, but for now let's 3032# assume that it is daylight saving.... 3033# 3034# From Gwillim Law (2005-04-21): 3035# The Associated Press story on the time change, which can be found at 3036# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html | 3014 -4:00 - AST 1980 Apr 6 3015 -4:00 1:00 ADT 1980 Sep 28 3016 -4:00 - AST 3017 3018# Montserrat 3019# See America/Port_of_Spain. 3020 3021# Nicaragua --- 12 unchanged lines hidden (view full) --- 3034# 3035# From Paul Eggert (2005-05-01): 3036# The decree doesn't say anything about daylight saving, but for now let's 3037# assume that it is daylight saving.... 3038# 3039# From Gwillim Law (2005-04-21): 3040# The Associated Press story on the time change, which can be found at 3041# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html |
| 3037# and elsewhere, says (fifth paragraph, translated from Spanish): "The last | 3042# and elsewhere, says (fifth paragraph, translated from Spanish): "The last |
| 3038# time that a change of clocks was applied to save energy was in the year 2000 3039# during the Arnoldo Alem��n administration."... 3040# The northamerica file says that Nicaragua has been on UTC-6 continuously 3041# since December 1998. I wasn't able to find any details of Nicaraguan time 3042# changes in 2000. Perhaps a note could be added to the northamerica file, to 3043# the effect that we have indirect evidence that DST was observed in 2000. 3044# 3045# From Jesper N��rgaard Welen (2005-11-02): --- 21 unchanged lines hidden (view full) --- 3067Rule Nic 2005 only - Oct Sun>=1 0:00 0 S 3068Rule Nic 2006 only - Apr 30 2:00 1:00 D 3069Rule Nic 2006 only - Oct Sun>=1 1:00 0 S 3070# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3071Zone America/Managua -5:45:08 - LMT 1890 3072 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? 3073 -6:00 - CST 1973 May 3074 -5:00 - EST 1975 Feb 16 | 3043# time that a change of clocks was applied to save energy was in the year 2000 3044# during the Arnoldo Alem��n administration."... 3045# The northamerica file says that Nicaragua has been on UTC-6 continuously 3046# since December 1998. I wasn't able to find any details of Nicaraguan time 3047# changes in 2000. Perhaps a note could be added to the northamerica file, to 3048# the effect that we have indirect evidence that DST was observed in 2000. 3049# 3050# From Jesper N��rgaard Welen (2005-11-02): --- 21 unchanged lines hidden (view full) --- 3072Rule Nic 2005 only - Oct Sun>=1 0:00 0 S 3073Rule Nic 2006 only - Apr 30 2:00 1:00 D 3074Rule Nic 2006 only - Oct Sun>=1 1:00 0 S 3075# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3076Zone America/Managua -5:45:08 - LMT 1890 3077 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? 3078 -6:00 - CST 1973 May 3079 -5:00 - EST 1975 Feb 16 |
| 3075 -6:00 Nic C%sT 1992 Jan 1 4:00 | 3080 -6:00 Nic C%sT 1992 Jan 1 4:00 |
| 3076 -5:00 - EST 1992 Sep 24 3077 -6:00 - CST 1993 3078 -5:00 - EST 1997 3079 -6:00 Nic C%sT 3080 3081# Panama 3082# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3083Zone America/Panama -5:18:08 - LMT 1890 | 3081 -5:00 - EST 1992 Sep 24 3082 -6:00 - CST 1993 3083 -5:00 - EST 1997 3084 -6:00 Nic C%sT 3085 3086# Panama 3087# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3088Zone America/Panama -5:18:08 - LMT 1890 |
| 3084 -5:19:36 - CMT 1908 Apr 22 # Col��n Mean Time | 3089 -5:19:36 - CMT 1908 Apr 22 # Col��n Mean Time |
| 3085 -5:00 - EST 3086 3087# Puerto Rico 3088# There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'. 3089# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 3090 -5:00 - EST 3091 3092# Puerto Rico 3093# There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'. 3094# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 3090Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan | 3095Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan |
| 3091 -4:00 - AST 1942 May 3 3092 -4:00 US A%sT 1946 3093 -4:00 - AST 3094 3095# St Kitts-Nevis 3096# St Lucia 3097# See America/Port_of_Spain. 3098 3099# St Pierre and Miquelon 3100# There are too many St Pierres elsewhere, so we'll use 'Miquelon'. 3101# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 3096 -4:00 - AST 1942 May 3 3097 -4:00 US A%sT 1946 3098 -4:00 - AST 3099 3100# St Kitts-Nevis 3101# St Lucia 3102# See America/Port_of_Spain. 3103 3104# St Pierre and Miquelon 3105# There are too many St Pierres elsewhere, so we'll use 'Miquelon'. 3106# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 3102Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre | 3107Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre |
| 3103 -4:00 - AST 1980 May 3104 -3:00 - PMST 1987 # Pierre & Miquelon Time 3105 -3:00 Canada PM%sT 3106 3107# St Vincent and the Grenadines 3108# See America/Port_of_Spain. 3109 3110# Turks and Caicos 3111# 3112# From Chris Dunn in | 3108 -4:00 - AST 1980 May 3109 -3:00 - PMST 1987 # Pierre & Miquelon Time 3110 -3:00 Canada PM%sT 3111 3112# St Vincent and the Grenadines 3113# See America/Port_of_Spain. 3114 3115# Turks and Caicos 3116# 3117# From Chris Dunn in |
| 3113# <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=415007> | 3118# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=415007 |
| 3114# (2007-03-15): In the Turks & Caicos Islands (America/Grand_Turk) the 3115# daylight saving dates for time changes have been adjusted to match 3116# the recent U.S. change of dates. 3117# 3118# From Brian Inglis (2007-04-28): 3119# http://www.turksandcaicos.tc/calendar/index.htm [2007-04-26] 3120# there is an entry for Nov 4 "Daylight Savings Time Ends 2007" and three 3121# rows before that there is an out of date entry for Oct: 3122# "Eastern Standard Times Begins 2007 3123# Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time" 3124# indicating that the normal ET rules are followed. 3125# | 3119# (2007-03-15): In the Turks & Caicos Islands (America/Grand_Turk) the 3120# daylight saving dates for time changes have been adjusted to match 3121# the recent U.S. change of dates. 3122# 3123# From Brian Inglis (2007-04-28): 3124# http://www.turksandcaicos.tc/calendar/index.htm [2007-04-26] 3125# there is an entry for Nov 4 "Daylight Savings Time Ends 2007" and three 3126# rows before that there is an out of date entry for Oct: 3127# "Eastern Standard Times Begins 2007 3128# Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time" 3129# indicating that the normal ET rules are followed. 3130# |
| 3126# From Paul Eggert (2006-05-01): 3127# Shanks & Pottenger say they use US DST rules, but IATA SSIM (1991/1998) 3128# says they switch at midnight. Go with Shanks & Pottenger. | 3131# From Paul Eggert (2014-08-19): 3132# The 2014-08-13 Cabinet meeting decided to stay on UTC-4 year-round. See: 3133# http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm 3134# Model this as a switch from EST/EDT to AST on 2014-11-02 at 02:00. |
| 3129# | 3135# |
| 3130# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 3131Rule TC 1979 1986 - Apr lastSun 2:00 1:00 D 3132Rule TC 1979 2006 - Oct lastSun 2:00 0 S 3133Rule TC 1987 2006 - Apr Sun>=1 2:00 1:00 D 3134Rule TC 2007 max - Mar Sun>=8 2:00 1:00 D 3135Rule TC 2007 max - Nov Sun>=1 2:00 0 S | |
| 3136# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3137Zone America/Grand_Turk -4:44:32 - LMT 1890 | 3136# Zone NAME GMTOFF RULES FORMAT [UNTIL] 3137Zone America/Grand_Turk -4:44:32 - LMT 1890 |
| 3138 -5:07:11 - KMT 1912 Feb # Kingston Mean Time 3139 -5:00 TC E%sT | 3138 -5:07:11 - KMT 1912 Feb # Kingston Mean Time 3139 -5:00 - EST 1979 3140 -5:00 US E%sT 2014 Nov 2 2:00 3141 -4:00 - AST |
| 3140 3141# British Virgin Is 3142# Virgin Is 3143# See America/Port_of_Spain. 3144 3145 3146# Local Variables: 3147# coding: utf-8 3148# End: | 3142 3143# British Virgin Is 3144# Virgin Is 3145# See America/Port_of_Spain. 3146 3147 3148# Local Variables: 3149# coding: utf-8 3150# End: |