| northamerica (153761) | northamerica (158421) |
|---|---|
| 1# @(#)northamerica 7.87 | 1# @(#)northamerica 8.6 |
| 2# <pre> 3 4# also includes Central America and the Caribbean 5 6# This data is by no means authoritative; if you think you know better, 7# go ahead and edit the file (and please send any changes to 8# tz@elsie.nci.nih.gov for general use in the future). 9 --- 15 unchanged lines hidden (view full) --- 25# but in 1872-05 he moved the proposed origin to Greenwich. 26# His proposal was adopted by the railroads on 1883-11-18 at 12:00, 27# and the most of the country soon followed suit. 28 29# From Paul Eggert (2005-04-16): 30# That 1883 transition occurred at 12:00 new time, not at 12:00 old time. 31# See p 46 of David Prerau, Seize the daylight, Thunder's Mouth Press (2005). 32 | 2# <pre> 3 4# also includes Central America and the Caribbean 5 6# This data is by no means authoritative; if you think you know better, 7# go ahead and edit the file (and please send any changes to 8# tz@elsie.nci.nih.gov for general use in the future). 9 --- 15 unchanged lines hidden (view full) --- 25# but in 1872-05 he moved the proposed origin to Greenwich. 26# His proposal was adopted by the railroads on 1883-11-18 at 12:00, 27# and the most of the country soon followed suit. 28 29# From Paul Eggert (2005-04-16): 30# That 1883 transition occurred at 12:00 new time, not at 12:00 old time. 31# See p 46 of David Prerau, Seize the daylight, Thunder's Mouth Press (2005). 32 |
| 33# From Paul Eggert (1995-12-19): | 33# From Paul Eggert (2006-03-22): |
| 34# A good source for time zone historical data in the US is 35# Thomas G. Shanks, The American Atlas (5th edition), 36# San Diego: ACS Publications, Inc. (1991). 37# Make sure you have the errata sheet; the book is somewhat useless without it. | 34# A good source for time zone historical data in the US is 35# Thomas G. Shanks, The American Atlas (5th edition), 36# San Diego: ACS Publications, Inc. (1991). 37# Make sure you have the errata sheet; the book is somewhat useless without it. |
| 38# It is the source for most of the pre-1991 US and Puerto Rico entries below. | 38# It is the source for most of the pre-1991 US entries below. |
| 39 40# From Paul Eggert (2001-03-06): 41# Daylight Saving Time was first suggested as a joke by Benjamin Franklin 42# in his whimsical essay ``An Economical Project for Diminishing the Cost 43# of Light'' published in the Journal de Paris (1784-04-26). 44# Not everyone is happy with the results: 45# 46# I don't really care how time is reckoned so long as there is some --- 177 unchanged lines hidden (view full) --- 224# Hawaii-Aleutian standard time 225# Samoa standard time 226# The law doesn't give abbreviations. 227# 228# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow: 229# Public law 106-564 (2000-12-23) introduced the abbreviation 230# "Chamorro Standard Time" for time in Guam and the Northern Marianas. 231# See the file "australasia". | 39 40# From Paul Eggert (2001-03-06): 41# Daylight Saving Time was first suggested as a joke by Benjamin Franklin 42# in his whimsical essay ``An Economical Project for Diminishing the Cost 43# of Light'' published in the Journal de Paris (1784-04-26). 44# Not everyone is happy with the results: 45# 46# I don't really care how time is reckoned so long as there is some --- 177 unchanged lines hidden (view full) --- 224# Hawaii-Aleutian standard time 225# Samoa standard time 226# The law doesn't give abbreviations. 227# 228# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow: 229# Public law 106-564 (2000-12-23) introduced the abbreviation 230# "Chamorro Standard Time" for time in Guam and the Northern Marianas. 231# See the file "australasia". |
| 232 | 232 |
| 233# From Arthur David Olson, 2005-08-09 234# The following was signed into law on 2005-08-08. 235# 236# H.R. 6, Energy Policy Act of 2005, SEC. 110. DAYLIGHT SAVINGS. 237# (a) Amendment- Section 3(a) of the Uniform Time Act of 1966 (15 238# U.S.C. 260a(a)) is amended-- 239# (1) by striking `first Sunday of April' and inserting `second 240# Sunday of March'; and --- 28 unchanged lines hidden (view full) --- 269# From Paul Eggert (2005-08-26): 270# According to today's Huntsville Times 271# <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 | 233# From Arthur David Olson, 2005-08-09 234# The following was signed into law on 2005-08-08. 235# 236# H.R. 6, Energy Policy Act of 2005, SEC. 110. DAYLIGHT SAVINGS. 237# (a) Amendment- Section 3(a) of the Uniform Time Act of 1966 (15 238# U.S.C. 260a(a)) is amended-- 239# (1) by striking `first Sunday of April' and inserting `second 240# Sunday of March'; and --- 28 unchanged lines hidden (view full) --- 269# From Paul Eggert (2005-08-26): 270# According to today's Huntsville Times 271# <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." | 277# in Columbus." |
| 278 279# 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] --- 10 unchanged lines hidden (view full) --- 296# Gulf, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, and 297# Washington counties), Illinois, western Indiana 298# (Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 299# Vanderburgh, and Warrick counties), Iowa, most of Kansas, western 300# Kentucky, Louisiana, Minnesota, Mississippi, Missouri, eastern 301# Nebraska, eastern North Dakota, Oklahoma, eastern South Dakota, 302# western Tennessee, most of Texas, Wisconsin 303 | 278 279# 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] --- 10 unchanged lines hidden (view full) --- 296# Gulf, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, and 297# Washington counties), Illinois, western Indiana 298# (Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 299# Vanderburgh, and Warrick counties), Iowa, most of Kansas, western 300# Kentucky, Louisiana, Minnesota, Mississippi, Missouri, eastern 301# Nebraska, eastern North Dakota, Oklahoma, eastern South Dakota, 302# western Tennessee, most of Texas, Wisconsin 303 |
| 304# From Larry M. Smith (2006-04-26) re Wisconsin: 305# http://www.legis.state.wi.us/statutes/Stat0175.pdf ... 306# is currently enforced at the 01:00 time of change. Because the local 307# "bar time" in the state corresponds to 02:00, a number of citations 308# are issued for the "sale of class 'B' alcohol after prohibited 309# hours" within the deviated hour of this change every year.... 310 |
|
| 304# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 305Rule Chicago 1920 only - Jun 13 2:00 1:00 D 306Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S 307Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D 308Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D 309Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S 310Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S 311# Zone NAME GMTOFF RULES FORMAT [UNTIL] --- 4 unchanged lines hidden (view full) --- 316 -6:00 Chicago C%sT 1942 317 -6:00 US C%sT 1946 318 -6:00 Chicago C%sT 1967 319 -6:00 US C%sT 320# Oliver County, ND switched from mountain to central time on 1992-10-25. 321Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48 322 -7:00 US M%sT 1992 Oct 25 02:00 323 -6:00 US C%sT | 311# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 312Rule Chicago 1920 only - Jun 13 2:00 1:00 D 313Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S 314Rule Chicago 1921 only - Mar lastSun 2:00 1:00 D 315Rule Chicago 1922 1966 - Apr lastSun 2:00 1:00 D 316Rule Chicago 1922 1954 - Sep lastSun 2:00 0 S 317Rule Chicago 1955 1966 - Oct lastSun 2:00 0 S 318# Zone NAME GMTOFF RULES FORMAT [UNTIL] --- 4 unchanged lines hidden (view full) --- 323 -6:00 Chicago C%sT 1942 324 -6:00 US C%sT 1946 325 -6:00 Chicago C%sT 1967 326 -6:00 US C%sT 327# Oliver County, ND switched from mountain to central time on 1992-10-25. 328Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48 329 -7:00 US M%sT 1992 Oct 25 02:00 330 -6:00 US C%sT |
| 331# Morton County, ND, switched from mountain to central time on 332# 2003-10-26, except for the area around Mandan which was already central time. 333# See <http://dmses.dot.gov/docimages/p63/135818.pdf>. 334# Officially this switch also included part of Sioux County, and 335# Jones, Mellette, and Todd Counties in South Dakota; 336# but in practice these other counties were already observing central time. 337# See <http://www.epa.gov/fedrgstr/EPA-IMPACT/2003/October/Day-28/i27056.htm>. 338Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21 339 -7:00 US M%sT 2003 Oct 26 02:00 340 -6:00 US C%sT |
|
| 324 325# US mountain time, represented by Denver 326# 327# Colorado, far western Kansas, Montana, western 328# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City), 329# New Mexico, southwestern North Dakota, far eastern Oregon, 330# western South Dakota, far western Texas (El Paso County, Hudspeth County, 331# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming --- 62 unchanged lines hidden (view full) --- 394 -9:00 - YST 1942 395 -9:00 US Y%sT 1946 396 -9:00 - YST 1969 397 -9:00 US Y%sT 1983 Nov 30 398 -9:00 US AK%sT 399Zone America/Anchorage 14:00:24 - LMT 1867 Oct 18 400 -9:59:36 - LMT 1900 Aug 20 12:00 401 -10:00 - CAT 1942 | 341 342# US mountain time, represented by Denver 343# 344# Colorado, far western Kansas, Montana, western 345# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City), 346# New Mexico, southwestern North Dakota, far eastern Oregon, 347# western South Dakota, far western Texas (El Paso County, Hudspeth County, 348# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming --- 62 unchanged lines hidden (view full) --- 411 -9:00 - YST 1942 412 -9:00 US Y%sT 1946 413 -9:00 - YST 1969 414 -9:00 US Y%sT 1983 Nov 30 415 -9:00 US AK%sT 416Zone America/Anchorage 14:00:24 - LMT 1867 Oct 18 417 -9:59:36 - LMT 1900 Aug 20 12:00 418 -10:00 - CAT 1942 |
| 402 -10:00 US CAT/CAWT 1946 | 419 -10:00 US CAT/CAWT 1945 Aug 14 23:00u 420 -10:00 US CAT/CAPT 1946 # Peace |
| 403 -10:00 - CAT 1967 Apr 404 -10:00 - AHST 1969 405 -10:00 US AH%sT 1983 Oct 30 2:00 406 -9:00 US Y%sT 1983 Nov 30 407 -9:00 US AK%sT 408Zone America/Nome 12:58:21 - LMT 1867 Oct 18 409 -11:01:38 - LMT 1900 Aug 20 12:00 410 -11:00 - NST 1942 --- 103 unchanged lines hidden (view full) --- 514 -7:00 - MST 1974 Feb 3 2:00 515 -7:00 US M%sT 516 517# Indiana 518# 519# For a map of Indiana's time zone regions, see: 520# <a href="http://www.mccsc.edu/time.html"> 521# What time is it in Indiana? | 421 -10:00 - CAT 1967 Apr 422 -10:00 - AHST 1969 423 -10:00 US AH%sT 1983 Oct 30 2:00 424 -9:00 US Y%sT 1983 Nov 30 425 -9:00 US AK%sT 426Zone America/Nome 12:58:21 - LMT 1867 Oct 18 427 -11:01:38 - LMT 1900 Aug 20 12:00 428 -11:00 - NST 1942 --- 103 unchanged lines hidden (view full) --- 532 -7:00 - MST 1974 Feb 3 2:00 533 -7:00 US M%sT 534 535# Indiana 536# 537# For a map of Indiana's time zone regions, see: 538# <a href="http://www.mccsc.edu/time.html"> 539# What time is it in Indiana? |
| 522# </a> (2005-05-03) | 540# </a> (2006-03-01) |
| 523# | 541# |
| 524# From Paul Eggert (2005-08-22): | 542# From Paul Eggert (2006-03-22): |
| 525# Since 1970, most of Indiana has been like America/Indiana/Indianapolis, 526# with the following exceptions: 527# 528# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 529# Vandenburgh, and Warrick counties have been like America/Chicago. 530# 531# - Dearborn and Ohio counties have been like America/New_York. 532# 533# - Clark, Floyd, and Harrison counties have been like 534# America/Kentucky/Louisville. 535# | 543# Since 1970, most of Indiana has been like America/Indiana/Indianapolis, 544# with the following exceptions: 545# 546# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer, 547# Vandenburgh, and Warrick counties have been like America/Chicago. 548# 549# - Dearborn and Ohio counties have been like America/New_York. 550# 551# - Clark, Floyd, and Harrison counties have been like 552# America/Kentucky/Louisville. 553# |
| 536# - Crawford, Starke, and Switzerland counties have their own time zone | 554# - Daviess, Dubois, Knox, Martin, Perry, and Pulaski counties 555# have been like America/Indiana/Vincennes. 556# 557# - Crawford, Pike, Starke, and Switzerland counties have their own time zone |
| 537# histories as noted below. 538# | 558# histories as noted below. 559# |
| 539# Shanks partitions Indiana into 345 regions, each with its own time history, 540# and writes ``Even newspaper reports present contradictory information.'' | 560# Shanks partitioned Indiana into 345 regions, each with its own time history, 561# and wrote ``Even newspaper reports present contradictory information.'' 562# Those Hoosiers! Such a flighty and changeable people! |
| 541# Fortunately, most of the complexity occurred before our cutoff date of 1970. 542# 543# Other than Indianapolis, the Indiana place names are so nondescript 544# that they would be ambiguous if we left them at the `America' level. 545# So we reluctantly put them all in a subdirectory `America/Indiana'. 546 547# From Paul Eggert (2005-08-16): | 563# Fortunately, most of the complexity occurred before our cutoff date of 1970. 564# 565# Other than Indianapolis, the Indiana place names are so nondescript 566# that they would be ambiguous if we left them at the `America' level. 567# So we reluctantly put them all in a subdirectory `America/Indiana'. 568 569# From Paul Eggert (2005-08-16): |
| 548# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006, 549# and that many counties may switch either to Central or to Eastern time. 550# The county-by-county decisions have not been made yet, so for now assume 551# that no counties will switch: this assumption is most likely wrong, 552# but it's the best we can do for now. | 570# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006. |
| 553 | 571 |
| 572# From Nathan Stratton Treadway (2006-03-30): 573# http://www.dot.gov/affairs/dot0406.htm [3705 B] 574# From Deborah Goldsmith (2006-01-18): 575# http://dmses.dot.gov/docimages/pdf95/382329_web.pdf [2.9 MB] 576# From Paul Eggert (2006-01-20): 577# It says "DOT is relocating the time zone boundary in Indiana to move Starke, 578# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the 579# Eastern Time Zone to the Central Time Zone.... The effective date of 580# this rule is 2:OO a.m. EST Sunday, April 2, 2006, which is the 581# changeover date from standard time to Daylight Saving Time." 582# Strictly speaking, this means the affected counties will change their 583# clocks twice that night, but this obviously is in error. The intent 584# is that 01:59:59 EST be followed by 02:00:00 CDT. 585 |
|
| 554# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 555Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 556Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 557Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 558# Zone NAME GMTOFF RULES FORMAT [UNTIL] 559Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 560 -6:00 US C%sT 1920 561 -6:00 Indianapolis C%sT 1942 562 -6:00 US C%sT 1946 563 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 564 -5:00 - EST 1957 Sep 29 2:00 565 -6:00 - CST 1958 Apr 27 2:00 566 -5:00 - EST 1969 567 -5:00 US E%sT 1971 568 -5:00 - EST 2006 569 -5:00 US E%sT 570# | 586# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 587Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 588Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 589Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 590# Zone NAME GMTOFF RULES FORMAT [UNTIL] 591Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22 592 -6:00 US C%sT 1920 593 -6:00 Indianapolis C%sT 1942 594 -6:00 US C%sT 1946 595 -6:00 Indianapolis C%sT 1955 Apr 24 2:00 596 -5:00 - EST 1957 Sep 29 2:00 597 -6:00 - CST 1958 Apr 27 2:00 598 -5:00 - EST 1969 599 -5:00 US E%sT 1971 600 -5:00 - EST 2006 601 -5:00 US E%sT 602# |
| 571# Part of Crawford County, Indiana, last observed DST in 1975, 572# and left its clocks alone in 1974. | 603# Eastern Crawford County, Indiana, left its clocks alone in 1974, 604# as well as from 1976 through 2005. |
| 573# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 574Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D 575Rule Marengo 1951 only - Sep lastSun 2:00 0 S 576Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D 577Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S 578# Zone NAME GMTOFF RULES FORMAT [UNTIL] 579Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 580 -6:00 US C%sT 1951 581 -6:00 Marengo C%sT 1961 Apr 30 2:00 582 -5:00 - EST 1969 583 -5:00 US E%sT 1974 Jan 6 2:00 584 -6:00 1:00 CDT 1974 Oct 27 2:00 585 -5:00 US E%sT 1976 586 -5:00 - EST 2006 587 -5:00 US E%sT 588# | 605# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 606Rule Marengo 1951 only - Apr lastSun 2:00 1:00 D 607Rule Marengo 1951 only - Sep lastSun 2:00 0 S 608Rule Marengo 1954 1960 - Apr lastSun 2:00 1:00 D 609Rule Marengo 1954 1960 - Sep lastSun 2:00 0 S 610# Zone NAME GMTOFF RULES FORMAT [UNTIL] 611Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37 612 -6:00 US C%sT 1951 613 -6:00 Marengo C%sT 1961 Apr 30 2:00 614 -5:00 - EST 1969 615 -5:00 US E%sT 1974 Jan 6 2:00 616 -6:00 1:00 CDT 1974 Oct 27 2:00 617 -5:00 US E%sT 1976 618 -5:00 - EST 2006 619 -5:00 US E%sT 620# |
| 589# Starke County, Indiana | 621# Daviess, Dubois, Knox, Martin, Perry, and Pulaski Counties, Indiana, 622# switched from eastern to central time in April 2006. 623# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 624Rule Vincennes 1946 only - Apr lastSun 2:00 1:00 D 625Rule Vincennes 1946 only - Sep lastSun 2:00 0 S 626Rule Vincennes 1953 1954 - Apr lastSun 2:00 1:00 D 627Rule Vincennes 1953 1959 - Sep lastSun 2:00 0 S 628Rule Vincennes 1955 only - May 1 0:00 1:00 D 629Rule Vincennes 1956 1963 - Apr lastSun 2:00 1:00 D 630Rule Vincennes 1960 only - Oct lastSun 2:00 0 S 631Rule Vincennes 1961 only - Sep lastSun 2:00 0 S 632Rule Vincennes 1962 1963 - Oct lastSun 2:00 0 S 633# Zone NAME GMTOFF RULES FORMAT [UNTIL] 634Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53 635 -6:00 US C%sT 1946 636 -6:00 Vincennes C%sT 1964 Apr 26 2:00 637 -5:00 - EST 1969 638 -5:00 US E%sT 1971 639 -5:00 - EST 2006 Apr 2 2:00 640 -6:00 US C%sT 641# 642# Pike County, Indiana moved from central to eastern time in 1977, 643# then switched back in 2006. 644# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 645Rule Pike 1955 only - May 1 0:00 1:00 D 646Rule Pike 1955 1960 - Sep lastSun 2:00 0 S 647Rule Pike 1956 1964 - Apr lastSun 2:00 1:00 D 648Rule Pike 1961 1964 - Oct lastSun 2:00 0 S 649# Zone NAME GMTOFF RULES FORMAT [UNTIL] 650Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53 651 -6:00 US C%sT 1955 652 -6:00 Pike C%sT 1965 Apr 25 2:00 653 -5:00 - EST 1966 Oct 30 2:00 654 -6:00 US C%sT 1977 Oct 30 2:00 655 -5:00 - EST 2006 Apr 2 2:00 656 -6:00 US C%sT 657# 658# Starke County, Indiana moved from central to eastern time in 1991, 659# then switched back in 2006. |
| 590# From Arthur David Olson (1991-10-28): 591# An article on page A3 of the Sunday, 1991-10-27 Washington Post 592# notes that Starke County switched from Central time to Eastern time as of 593# 1991-10-27. 594# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 595Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D 596Rule Starke 1947 1954 - Sep lastSun 2:00 0 S 597Rule Starke 1955 1956 - Oct lastSun 2:00 0 S 598Rule Starke 1957 1958 - Sep lastSun 2:00 0 S 599Rule Starke 1959 1961 - Oct lastSun 2:00 0 S 600# Zone NAME GMTOFF RULES FORMAT [UNTIL] 601Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 602 -6:00 US C%sT 1947 603 -6:00 Starke C%sT 1962 Apr 29 2:00 604 -5:00 - EST 1963 Oct 27 2:00 605 -6:00 US C%sT 1991 Oct 27 2:00 | 660# From Arthur David Olson (1991-10-28): 661# An article on page A3 of the Sunday, 1991-10-27 Washington Post 662# notes that Starke County switched from Central time to Eastern time as of 663# 1991-10-27. 664# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 665Rule Starke 1947 1961 - Apr lastSun 2:00 1:00 D 666Rule Starke 1947 1954 - Sep lastSun 2:00 0 S 667Rule Starke 1955 1956 - Oct lastSun 2:00 0 S 668Rule Starke 1957 1958 - Sep lastSun 2:00 0 S 669Rule Starke 1959 1961 - Oct lastSun 2:00 0 S 670# Zone NAME GMTOFF RULES FORMAT [UNTIL] 671Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30 672 -6:00 US C%sT 1947 673 -6:00 Starke C%sT 1962 Apr 29 2:00 674 -5:00 - EST 1963 Oct 27 2:00 675 -6:00 US C%sT 1991 Oct 27 2:00 |
| 606 -5:00 - EST 2006 607 -5:00 US E%sT | 676 -5:00 - EST 2006 Apr 2 2:00 677 -6:00 US C%sT |
| 608# | 678# |
| 609# Switzerland County, Indiana, last observed DST in 1972. | 679# Switzerland County, Indiana, did not observe DST from 1973 through 2005. |
| 610# Zone NAME GMTOFF RULES FORMAT [UNTIL] 611Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 612 -6:00 US C%sT 1954 Apr 25 2:00 613 -5:00 - EST 1969 614 -5:00 US E%sT 1973 615 -5:00 - EST 2006 616 -5:00 US E%sT 617 --- 13 unchanged lines hidden (view full) --- 631 -6:00 Louisville C%sT 1942 632 -6:00 US C%sT 1946 633 -6:00 Louisville C%sT 1961 Jul 23 2:00 634 -5:00 - EST 1968 635 -5:00 US E%sT 1974 Jan 6 2:00 636 -6:00 1:00 CDT 1974 Oct 27 2:00 637 -5:00 US E%sT 638# | 680# Zone NAME GMTOFF RULES FORMAT [UNTIL] 681Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44 682 -6:00 US C%sT 1954 Apr 25 2:00 683 -5:00 - EST 1969 684 -5:00 US E%sT 1973 685 -5:00 - EST 2006 686 -5:00 US E%sT 687 --- 13 unchanged lines hidden (view full) --- 701 -6:00 Louisville C%sT 1942 702 -6:00 US C%sT 1946 703 -6:00 Louisville C%sT 1961 Jul 23 2:00 704 -5:00 - EST 1968 705 -5:00 US E%sT 1974 Jan 6 2:00 706 -6:00 1:00 CDT 1974 Oct 27 2:00 707 -5:00 US E%sT 708# |
| 639# Wayne, Clinton, and Russell Counties, Kentucky | 709# Wayne County, Kentucky |
| 640# 641# From 642# <a href="http://www.lake-cumberland.com/life/archive/news990129time.shtml"> 643# Lake Cumberland LIFE 644# </a> (1999-01-29) via WKYM-101.7: 645# Clinton County has joined Wayne County in asking the DoT to change from 646# the Central to the Eastern time zone.... The Wayne County government made 647# the same request in December. And while Russell County officials have not --- 80 unchanged lines hidden (view full) --- 728 -6:00 - CST 1915 May 15 2:00 729 -5:00 - EST 1942 730 -5:00 US E%sT 1946 731 -5:00 Detroit E%sT 1973 732 -5:00 US E%sT 1975 733 -5:00 - EST 1975 Apr 27 2:00 734 -5:00 US E%sT 735# | 710# 711# From 712# <a href="http://www.lake-cumberland.com/life/archive/news990129time.shtml"> 713# Lake Cumberland LIFE 714# </a> (1999-01-29) via WKYM-101.7: 715# Clinton County has joined Wayne County in asking the DoT to change from 716# the Central to the Eastern time zone.... The Wayne County government made 717# the same request in December. And while Russell County officials have not --- 80 unchanged lines hidden (view full) --- 798 -6:00 - CST 1915 May 15 2:00 799 -5:00 - EST 1942 800 -5:00 US E%sT 1946 801 -5:00 Detroit E%sT 1973 802 -5:00 US E%sT 1975 803 -5:00 - EST 1975 Apr 27 2:00 804 -5:00 US E%sT 805# |
| 736# The Michigan border with Wisconsin switched from EST to CST/CDT in 1973. | 806# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan, 807# switched from EST to CST/CDT in 1973. |
| 737# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 738Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D 739Rule Menominee 1946 only - Sep lastSun 2:00 0 S 740Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D 741Rule Menominee 1966 only - Oct lastSun 2:00 0 S 742# Zone NAME GMTOFF RULES FORMAT [UNTIL] 743Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 744 -6:00 US C%sT 1946 --- 10 unchanged lines hidden (view full) --- 755# currently uninhabited 756# see Mark Fineman, ``An Isle Rich in Guano and Discord'', 757# _Los Angeles Times_ (1998-11-10), A1, A10; it cites 758# Jimmy Skaggs, _The Great Guano Rush_ (1994). 759 760################################################################################ 761 762 | 808# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 809Rule Menominee 1946 only - Apr lastSun 2:00 1:00 D 810Rule Menominee 1946 only - Sep lastSun 2:00 0 S 811Rule Menominee 1966 only - Apr lastSun 2:00 1:00 D 812Rule Menominee 1966 only - Oct lastSun 2:00 0 S 813# Zone NAME GMTOFF RULES FORMAT [UNTIL] 814Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 815 -6:00 US C%sT 1946 --- 10 unchanged lines hidden (view full) --- 826# currently uninhabited 827# see Mark Fineman, ``An Isle Rich in Guano and Discord'', 828# _Los Angeles Times_ (1998-11-10), A1, A10; it cites 829# Jimmy Skaggs, _The Great Guano Rush_ (1994). 830 831################################################################################ 832 833 |
| 763# From Paul Eggert (1999-10-29): 764# A good source for time zone historical data outside the US is 765# Thomas G. Shanks, The International Atlas (5th edition), 766# San Diego: ACS Publications, Inc. (1999). | 834# From Paul Eggert (2006-03-22): 835# A good source for time zone historical data outside the U.S. is 836# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 837# San Diego: ACS Publications, Inc. (2003). |
| 767# 768# Gwillim Law writes that a good source 769# for recent time zone data is the International Air Transport 770# Association's Standard Schedules Information Manual (IATA SSIM), 771# published semiannually. Law sent in several helpful summaries 772# of the IATA's data after 1990. 773# | 838# 839# Gwillim Law writes that a good source 840# for recent time zone data is the International Air Transport 841# Association's Standard Schedules Information Manual (IATA SSIM), 842# published semiannually. Law sent in several helpful summaries 843# of the IATA's data after 1990. 844# |
| 774# Except where otherwise noted, Shanks is the source for entries through 1990, 775# and IATA SSIM is the source for entries after 1990. | 845# Except where otherwise noted, Shanks & Pottenger is the source for 846# entries through 1990, and IATA SSIM is the source for entries afterwards. |
| 776# 777# Other sources occasionally used include: 778# 779# Edward W. Whitman, World Time Differences, 780# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), 781# which I found in the UCLA library. 782# 783# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf"> --- 31 unchanged lines hidden (view full) --- 815# P: du Pacifique Pacific 816# R: des Rocheuses 817# T: de Terre-Neuve 818# Y: du Yukon Yukon 819# 820# From Paul Eggert (1994-11-22): 821# Alas, this sort of thing must be handled by localization software. 822 | 847# 848# Other sources occasionally used include: 849# 850# Edward W. Whitman, World Time Differences, 851# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), 852# which I found in the UCLA library. 853# 854# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf"> --- 31 unchanged lines hidden (view full) --- 886# P: du Pacifique Pacific 887# R: des Rocheuses 888# T: de Terre-Neuve 889# Y: du Yukon Yukon 890# 891# From Paul Eggert (1994-11-22): 892# Alas, this sort of thing must be handled by localization software. 893 |
| 823# Unless otherwise specified, the data for Canada are all from Shanks. | 894# Unless otherwise specified, the data for Canada are all from Shanks 895# & Pottenger. |
| 824 | 896 |
| 825# From Paul Eggert (2005-12-21): | 897# From Chris Walton (2006-04-01): 898# The British Columbia government announced yesterday that it will 899# adjust daylight savings next year to align with changes in the 900# U.S. and the rest of Canada.... 901# http://www2.news.gov.bc.ca/news_releases_2005-2009/2006AG0014-000330.htm 902 903# From Paul Eggert (2006-04-25): |
| 826# H. David Matthews and Mary Vincent's map 827# <a href="http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp"> 828# "It's about TIME", _Canadian Geographic_ (September-October 1998) 829# </a> contains detailed boundaries for regions observing nonstandard 830# time and daylight saving time arrangements in Canada circa 1998. 831# 832# INMS, the Institute for National Measurement Standards in Ottawa, has <a 833# href="http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php"> 834# information about standard and daylight saving time zones in Canada. 835# </a> (updated periodically). 836# Its unofficial information is often taken from Matthews and Vincent. 837# 838# CBC News reported that Ontario and Manitoba have announced plans to | 904# H. David Matthews and Mary Vincent's map 905# <a href="http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp"> 906# "It's about TIME", _Canadian Geographic_ (September-October 1998) 907# </a> contains detailed boundaries for regions observing nonstandard 908# time and daylight saving time arrangements in Canada circa 1998. 909# 910# INMS, the Institute for National Measurement Standards in Ottawa, has <a 911# href="http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php"> 912# information about standard and daylight saving time zones in Canada. 913# </a> (updated periodically). 914# Its unofficial information is often taken from Matthews and Vincent. 915# 916# CBC News reported that Ontario and Manitoba have announced plans to |
| 839# follow the US change, and that Nova Scotia is considering it; see | 917# follow the US change; see |
| 840# <http://www.cbc.ca/news/background/daylightsavingtime/> (2005-10-21). 841# CBC news also reported that Prince Edward Island is the first 842# province in Atlantic Canada to follow the US change, and that Quebec 843# had agreed; see <http://www.cbc.ca/pei/story/pe_daylight_20051207.html> | 918# <http://www.cbc.ca/news/background/daylightsavingtime/> (2005-10-21). 919# CBC news also reported that Prince Edward Island is the first 920# province in Atlantic Canada to follow the US change, and that Quebec 921# had agreed; see <http://www.cbc.ca/pei/story/pe_daylight_20051207.html> |
| 844# (2005-12-07). 845# 846# To reflect all this, the Canada and Winn rules have been adjusted to 847# agree with the 2007 US change. This means we assume most of Canada 848# will fall into line. However, Alberta, British Columbia, 849# Newfoundland, Northwest Territories, and Yukon already have separate 850# rules in our database, so for now we'll leave them alone, which 851# means that we currently assume these regions will not change their 852# rules and will disagree with the US starting in 2007. This 853# assumption is probably incorrect, with the possible exception of 854# Newfoundland. We plan to adjust the Edm, Vanc, StJohns, and NT_YK 855# rules as the corresponding provinces make their announcements. | 922# (2005-12-07). It also reported that Alberta will fall into line; see 923# <http://www.cbc.ca/calgary/story/ca_daylight20060202.html> (2006-02-02). 924# For now, assume all of Canada will fall into line. |
| 856 857# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 858Rule Canada 1918 only - Apr 14 2:00 1:00 D 859Rule Canada 1918 only - Oct 31 2:00 0 S 860Rule Canada 1942 only - Feb 9 2:00 1:00 W # War 861Rule Canada 1945 only - Aug 14 23:00u 1:00 P # Peace 862Rule Canada 1945 only - Sep 30 2:00 0 S 863Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D --- 9 unchanged lines hidden (view full) --- 873# Matthews and Vincent (1998) write that Labrador should use NST/NDT, 874# but the only part of Labrador that follows the rules is the 875# southeast corner, including Port Hope Simpson and Mary's Harbour, 876# but excluding, say, Black Tickle. 877 878# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 879Rule StJohns 1917 only - Apr 8 2:00 1:00 D 880Rule StJohns 1917 only - Sep 17 2:00 0 S | 925 926# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 927Rule Canada 1918 only - Apr 14 2:00 1:00 D 928Rule Canada 1918 only - Oct 31 2:00 0 S 929Rule Canada 1942 only - Feb 9 2:00 1:00 W # War 930Rule Canada 1945 only - Aug 14 23:00u 1:00 P # Peace 931Rule Canada 1945 only - Sep 30 2:00 0 S 932Rule Canada 1974 1986 - Apr lastSun 2:00 1:00 D --- 9 unchanged lines hidden (view full) --- 942# Matthews and Vincent (1998) write that Labrador should use NST/NDT, 943# but the only part of Labrador that follows the rules is the 944# southeast corner, including Port Hope Simpson and Mary's Harbour, 945# but excluding, say, Black Tickle. 946 947# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 948Rule StJohns 1917 only - Apr 8 2:00 1:00 D 949Rule StJohns 1917 only - Sep 17 2:00 0 S |
| 881# Whitman gives 1919 Apr 5 and 1920 Apr 5; go with Shanks. | 950# Whitman gives 1919 Apr 5 and 1920 Apr 5; go with Shanks & Pottenger. |
| 882Rule StJohns 1919 only - May 5 23:00 1:00 D 883Rule StJohns 1919 only - Aug 12 23:00 0 S | 951Rule StJohns 1919 only - May 5 23:00 1:00 D 952Rule StJohns 1919 only - Aug 12 23:00 0 S |
| 884# For 1931-1935 Whitman gives Apr same date; go with Shanks. | 953# For 1931-1935 Whitman gives Apr same date; go with Shanks & Pottenger. |
| 885Rule StJohns 1920 1935 - May Sun>=1 23:00 1:00 D 886Rule StJohns 1920 1935 - Oct lastSun 23:00 0 S | 954Rule StJohns 1920 1935 - May Sun>=1 23:00 1:00 D 955Rule StJohns 1920 1935 - Oct lastSun 23:00 0 S |
| 887# For 1936-1941 Whitman gives May Sun>=8 and Oct Sun>=1; go with Shanks. | 956# For 1936-1941 Whitman gives May Sun>=8 and Oct Sun>=1; go with Shanks & 957# Pottenger. |
| 888Rule StJohns 1936 1941 - May Mon>=9 0:00 1:00 D 889Rule StJohns 1936 1941 - Oct Mon>=2 0:00 0 S 890# Whitman gives the following transitions: 891# 1942 03-01/12-31, 1943 05-30/09-05, 1944 07-10/09-02, 1945 01-01/10-07 | 958Rule StJohns 1936 1941 - May Mon>=9 0:00 1:00 D 959Rule StJohns 1936 1941 - Oct Mon>=2 0:00 0 S 960# Whitman gives the following transitions: 961# 1942 03-01/12-31, 1943 05-30/09-05, 1944 07-10/09-02, 1945 01-01/10-07 |
| 892# but go with Shanks and assume they used Canadian rules. | 962# but go with Shanks & Pottenger and assume they used Canadian rules. |
| 893# For 1946-9 Whitman gives May 5,4,9,1 - Oct 1,5,3,2, and for 1950 he gives | 963# For 1946-9 Whitman gives May 5,4,9,1 - Oct 1,5,3,2, and for 1950 he gives |
| 894# Apr 30 - Sep 24; go with Shanks. | 964# Apr 30 - Sep 24; go with Shanks & Pottenger. |
| 895Rule StJohns 1946 1950 - May Sun>=8 2:00 1:00 D 896Rule StJohns 1946 1950 - Oct Sun>=2 2:00 0 S 897Rule StJohns 1951 1986 - Apr lastSun 2:00 1:00 D 898Rule StJohns 1951 1959 - Sep lastSun 2:00 0 S 899Rule StJohns 1960 1986 - Oct lastSun 2:00 0 S 900# From Paul Eggert (2000-10-02): 901# INMS (2000-09-12) says that, since 1988 at least, Newfoundland switches 902# at 00:01 local time. For now, assume it started in 1987. 903Rule StJohns 1987 only - Apr Sun>=1 0:01 1:00 D | 965Rule StJohns 1946 1950 - May Sun>=8 2:00 1:00 D 966Rule StJohns 1946 1950 - Oct Sun>=2 2:00 0 S 967Rule StJohns 1951 1986 - Apr lastSun 2:00 1:00 D 968Rule StJohns 1951 1959 - Sep lastSun 2:00 0 S 969Rule StJohns 1960 1986 - Oct lastSun 2:00 0 S 970# From Paul Eggert (2000-10-02): 971# INMS (2000-09-12) says that, since 1988 at least, Newfoundland switches 972# at 00:01 local time. For now, assume it started in 1987. 973Rule StJohns 1987 only - Apr Sun>=1 0:01 1:00 D |
| 904Rule StJohns 1987 max - Oct lastSun 0:01 0 S | 974Rule StJohns 1987 2006 - Oct lastSun 0:01 0 S |
| 905Rule StJohns 1988 only - Apr Sun>=1 0:01 2:00 DD | 975Rule StJohns 1988 only - Apr Sun>=1 0:01 2:00 DD |
| 906Rule StJohns 1989 max - Apr Sun>=1 0:01 1:00 D | 976Rule StJohns 1989 2006 - Apr Sun>=1 0:01 1:00 D 977# From Chris Walton (2006-04-05): 978# http://www.releases.gov.nl.ca/releases/2006/mpa/0331n01.htm 979# [This says Newfoundlandland expects to follow step with the US.] 980Rule StJohns 2007 max - Mar Sun>=8 0:01 1:00 D 981Rule StJohns 2007 max - Nov Sun>=1 0:01 0 S 982# |
| 907# St John's has an apostrophe, but Posix file names can't have apostrophes. 908# Zone NAME GMTOFF RULES FORMAT [UNTIL] 909Zone America/St_Johns -3:30:52 - LMT 1884 910 -3:30:52 StJohns N%sT 1918 911 -3:30:52 Canada N%sT 1919 912 -3:30:52 StJohns N%sT 1935 Mar 30 913 -3:30 StJohns N%sT 1942 May 11 914 -3:30 Canada N%sT 1946 --- 9 unchanged lines hidden (view full) --- 924 -3:30:52 - NST 1935 Mar 30 925 -3:30 - NST 1936 926 -3:30 StJohns N%sT 1942 May 11 927 -3:30 Canada N%sT 1946 928 -3:30 StJohns N%sT 1966 Mar 15 2:00 929 -4:00 StJohns A%sT 930 931 | 983# St John's has an apostrophe, but Posix file names can't have apostrophes. 984# Zone NAME GMTOFF RULES FORMAT [UNTIL] 985Zone America/St_Johns -3:30:52 - LMT 1884 986 -3:30:52 StJohns N%sT 1918 987 -3:30:52 Canada N%sT 1919 988 -3:30:52 StJohns N%sT 1935 Mar 30 989 -3:30 StJohns N%sT 1942 May 11 990 -3:30 Canada N%sT 1946 --- 9 unchanged lines hidden (view full) --- 1000 -3:30:52 - NST 1935 Mar 30 1001 -3:30 - NST 1936 1002 -3:30 StJohns N%sT 1942 May 11 1003 -3:30 Canada N%sT 1946 1004 -3:30 StJohns N%sT 1966 Mar 15 2:00 1005 -4:00 StJohns A%sT 1006 1007 |
| 932# west Labrador, New Brunswick, Nova Scotia, Prince Edward I | 1008# west Labrador, Nova Scotia, Prince Edward I |
| 933 | 1009 |
| 934# From Paul Eggert (1996-06-12): 935# Shanks writes that since 1970 most of this region has been like Halifax. 936# Many locales did not observe peacetime DST until 1972; | 1010# From Paul Eggert (2006-03-22): 1011# Shanks & Pottenger write that since 1970 most of this region has been like 1012# Halifax. Many locales did not observe peacetime DST until 1972; |
| 937# Glace Bay, NS is the largest that we know of. | 1013# Glace Bay, NS is the largest that we know of. |
| 938# Shanks also writes that Liverpool, NS was the only town in Canada to observe 939# DST in 1971 but not 1970; for now we'll assume this is a typo. | 1014# Shanks & Pottenger also write that Liverpool, NS was the only town 1015# in Canada to observe DST in 1971 but not 1970; for now we'll assume 1016# this is a typo. |
| 940 | 1017 |
| 941# From Paul Eggert (2000-10-02): 942# INMS (2000-09-12) says that, since 1988 at least, New Brunswick switches 943# at 00:01 local time. FIXME: verify and create a new Zone for this. | 1018# From Chris Walton (2006-04-25): 1019# Daylight saving time will be extended by four weeks starting in 2007.... 1020# Here is a news release which was issued today by the Nova Scotia government: 1021# http://www.gov.ns.ca/news/details.asp?id=20060425004 |
| 944 | 1022 |
| 945 | |
| 946# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S | 1023# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
| 947Rule Halifax 1916 only - Apr 1 0:00 1:00 D 948Rule Halifax 1916 only - Oct 1 0:00 0 S 949Rule Halifax 1920 only - May 9 0:00 1:00 D 950Rule Halifax 1920 only - Aug 29 0:00 0 S 951Rule Halifax 1921 only - May 6 0:00 1:00 D 952Rule Halifax 1921 1922 - Sep 5 0:00 0 S 953Rule Halifax 1922 only - Apr 30 0:00 1:00 D 954Rule Halifax 1923 1925 - May Sun>=1 0:00 1:00 D 955Rule Halifax 1923 only - Sep 4 0:00 0 S 956Rule Halifax 1924 only - Sep 15 0:00 0 S 957Rule Halifax 1925 only - Sep 28 0:00 0 S 958Rule Halifax 1926 only - May 16 0:00 1:00 D 959Rule Halifax 1926 only - Sep 13 0:00 0 S 960Rule Halifax 1927 only - May 1 0:00 1:00 D 961Rule Halifax 1927 only - Sep 26 0:00 0 S 962Rule Halifax 1928 1931 - May Sun>=8 0:00 1:00 D 963Rule Halifax 1928 only - Sep 9 0:00 0 S 964Rule Halifax 1929 only - Sep 3 0:00 0 S 965Rule Halifax 1930 only - Sep 15 0:00 0 S 966Rule Halifax 1931 1932 - Sep Mon>=24 0:00 0 S 967Rule Halifax 1932 only - May 1 0:00 1:00 D 968Rule Halifax 1933 only - Apr 30 0:00 1:00 D 969Rule Halifax 1933 only - Oct 2 0:00 0 S 970Rule Halifax 1934 only - May 20 0:00 1:00 D 971Rule Halifax 1934 only - Sep 16 0:00 0 S 972Rule Halifax 1935 only - Jun 2 0:00 1:00 D 973Rule Halifax 1935 only - Sep 30 0:00 0 S 974Rule Halifax 1936 only - Jun 1 0:00 1:00 D 975Rule Halifax 1936 only - Sep 14 0:00 0 S 976Rule Halifax 1937 1938 - May Sun>=1 0:00 1:00 D 977Rule Halifax 1937 1941 - Sep Mon>=24 0:00 0 S 978Rule Halifax 1939 only - May 28 0:00 1:00 D 979Rule Halifax 1940 1941 - May Sun>=1 0:00 1:00 D 980Rule Halifax 1946 1949 - Sep lastSun 2:00 0 S 981Rule Halifax 1946 1949 - Apr lastSun 2:00 1:00 D 982Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S 983Rule Halifax 1951 1954 - Apr lastSun 2:00 1:00 D 984Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S 985Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D 986Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D 987Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S | 1024Rule Halifax 1916 only - Apr 1 0:00 1:00 D 1025Rule Halifax 1916 only - Oct 1 0:00 0 S 1026Rule Halifax 1920 only - May 9 0:00 1:00 D 1027Rule Halifax 1920 only - Aug 29 0:00 0 S 1028Rule Halifax 1921 only - May 6 0:00 1:00 D 1029Rule Halifax 1921 1922 - Sep 5 0:00 0 S 1030Rule Halifax 1922 only - Apr 30 0:00 1:00 D 1031Rule Halifax 1923 1925 - May Sun>=1 0:00 1:00 D 1032Rule Halifax 1923 only - Sep 4 0:00 0 S 1033Rule Halifax 1924 only - Sep 15 0:00 0 S 1034Rule Halifax 1925 only - Sep 28 0:00 0 S 1035Rule Halifax 1926 only - May 16 0:00 1:00 D 1036Rule Halifax 1926 only - Sep 13 0:00 0 S 1037Rule Halifax 1927 only - May 1 0:00 1:00 D 1038Rule Halifax 1927 only - Sep 26 0:00 0 S 1039Rule Halifax 1928 1931 - May Sun>=8 0:00 1:00 D 1040Rule Halifax 1928 only - Sep 9 0:00 0 S 1041Rule Halifax 1929 only - Sep 3 0:00 0 S 1042Rule Halifax 1930 only - Sep 15 0:00 0 S 1043Rule Halifax 1931 1932 - Sep Mon>=24 0:00 0 S 1044Rule Halifax 1932 only - May 1 0:00 1:00 D 1045Rule Halifax 1933 only - Apr 30 0:00 1:00 D 1046Rule Halifax 1933 only - Oct 2 0:00 0 S 1047Rule Halifax 1934 only - May 20 0:00 1:00 D 1048Rule Halifax 1934 only - Sep 16 0:00 0 S 1049Rule Halifax 1935 only - Jun 2 0:00 1:00 D 1050Rule Halifax 1935 only - Sep 30 0:00 0 S 1051Rule Halifax 1936 only - Jun 1 0:00 1:00 D 1052Rule Halifax 1936 only - Sep 14 0:00 0 S 1053Rule Halifax 1937 1938 - May Sun>=1 0:00 1:00 D 1054Rule Halifax 1937 1941 - Sep Mon>=24 0:00 0 S 1055Rule Halifax 1939 only - May 28 0:00 1:00 D 1056Rule Halifax 1940 1941 - May Sun>=1 0:00 1:00 D 1057Rule Halifax 1946 1949 - Apr lastSun 2:00 1:00 D 1058Rule Halifax 1946 1949 - Sep lastSun 2:00 0 S 1059Rule Halifax 1951 1954 - Apr lastSun 2:00 1:00 D 1060Rule Halifax 1951 1954 - Sep lastSun 2:00 0 S 1061Rule Halifax 1956 1959 - Apr lastSun 2:00 1:00 D 1062Rule Halifax 1956 1959 - Sep lastSun 2:00 0 S 1063Rule Halifax 1962 1973 - Apr lastSun 2:00 1:00 D 1064Rule Halifax 1962 1973 - Oct lastSun 2:00 0 S |
| 988# Zone NAME GMTOFF RULES FORMAT [UNTIL] 989Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 990 -4:00 Halifax A%sT 1918 991 -4:00 Canada A%sT 1919 992 -4:00 Halifax A%sT 1942 Feb 9 2:00s 993 -4:00 Canada A%sT 1946 994 -4:00 Halifax A%sT 1974 995 -4:00 Canada A%sT 996Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 997 -4:00 Canada A%sT 1953 998 -4:00 Halifax A%sT 1954 999 -4:00 - AST 1972 1000 -4:00 Halifax A%sT 1974 1001 -4:00 Canada A%sT 1002 | 1065# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1066Zone America/Halifax -4:14:24 - LMT 1902 Jun 15 1067 -4:00 Halifax A%sT 1918 1068 -4:00 Canada A%sT 1919 1069 -4:00 Halifax A%sT 1942 Feb 9 2:00s 1070 -4:00 Canada A%sT 1946 1071 -4:00 Halifax A%sT 1974 1072 -4:00 Canada A%sT 1073Zone America/Glace_Bay -3:59:48 - LMT 1902 Jun 15 1074 -4:00 Canada A%sT 1953 1075 -4:00 Halifax A%sT 1954 1076 -4:00 - AST 1972 1077 -4:00 Halifax A%sT 1974 1078 -4:00 Canada A%sT 1079 |
| 1080# New Brunswick |
|
| 1003 | 1081 |
| 1082# From Paul Eggert (2006-01-20): 1083# New Brunswick's Time Definition Act 1084# <http://www.gnb.ca/0062/PDF-acts/t-06.pdf> says they change at 00:01, and 1085# <http://www.canlii.org/nb/laws/sta/t-6/20030127/whole.html> makes it 1086# clear that this has been the case since at least 1993. 1087# For now, assume it started in 1993. The Office of the Premier announced 1088# <http://www.gnb.ca/cnb/news/pre/2005e1737pr.htm> (2005-12-23) 1089# that they will bring forward proposed amendments to harmonize with the US; 1090# for now assume that this will happen, but they'll still switch at 00:01. 1091 1092# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1093Rule Moncton 1933 1935 - Jun Sun>=8 1:00 1:00 D 1094Rule Moncton 1933 1935 - Sep Sun>=8 1:00 0 S 1095Rule Moncton 1936 1938 - Jun Sun>=1 1:00 1:00 D 1096Rule Moncton 1936 1938 - Sep Sun>=1 1:00 0 S 1097Rule Moncton 1939 only - May 27 1:00 1:00 D 1098Rule Moncton 1939 1941 - Sep Sat>=21 1:00 0 S 1099Rule Moncton 1940 only - May 19 1:00 1:00 D 1100Rule Moncton 1941 only - May 4 1:00 1:00 D 1101Rule Moncton 1946 1972 - Apr lastSun 2:00 1:00 D 1102Rule Moncton 1946 1956 - Sep lastSun 2:00 0 S 1103Rule Moncton 1957 1972 - Oct lastSun 2:00 0 S 1104Rule Moncton 1993 2006 - Apr Sun>=1 0:01 1:00 D 1105Rule Moncton 1993 2006 - Oct lastSun 0:01 0 S 1106Rule Moncton 2007 max - Mar Sun>=8 0:01 1:00 D 1107Rule Moncton 2007 max - Nov Sun>=1 0:01 0 S 1108# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1109Zone America/Moncton -4:19:08 - LMT 1883 Dec 9 1110 -5:00 - EST 1902 Jun 15 1111 -4:00 Canada A%sT 1933 1112 -4:00 Moncton A%sT 1942 1113 -4:00 Canada A%sT 1946 1114 -4:00 Moncton A%sT 1973 1115 -4:00 Canada A%sT 1993 1116 -4:00 Moncton A%sT 1117 |
|
| 1004# Ontario, Quebec 1005 | 1118# Ontario, Quebec 1119 |
| 1006# From Paul Eggert (1996-06-12): 1007# Shanks writes that since 1970 most of Ontario has been like Toronto, 1008# and most of Quebec has been like Montreal. | 1120# From Paul Eggert (2006-03-22): 1121# Shanks & Pottenger writes that since 1970 most of Ontario has been like 1122# Toronto, and most of Quebec has been like Montreal. |
| 1009# Thunder Bay skipped DST in 1973. 1010# Many smaller locales did not observe peacetime DST until 1974; 1011# Nipigon (EST) and Rainy River (CST) are the largest that we know of. 1012# Far west Ontario is like Winnipeg; far east Quebec is like Halifax. 1013 1014# From Mark Brader (2003-07-26): 1015# [According to the Toronto Star] Orillia, Ontario, adopted DST 1016# effective Saturday, 1912-06-22, 22:00; the article mentions that --- 13 unchanged lines hidden (view full) --- 1030# but will vote on 11-10 whether to use EST/EDT. 1031# He also writes that the 1032# <a href="http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html"> 1033# Ontario Time Act (1990, Chapter T.9) 1034# </a> 1035# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. 1036# Officially Atikokan is therefore on CST/CDT, and most likely this report 1037# concerns a non-official time observed as a matter of local practice. | 1123# Thunder Bay skipped DST in 1973. 1124# Many smaller locales did not observe peacetime DST until 1974; 1125# Nipigon (EST) and Rainy River (CST) are the largest that we know of. 1126# Far west Ontario is like Winnipeg; far east Quebec is like Halifax. 1127 1128# From Mark Brader (2003-07-26): 1129# [According to the Toronto Star] Orillia, Ontario, adopted DST 1130# effective Saturday, 1912-06-22, 22:00; the article mentions that --- 13 unchanged lines hidden (view full) --- 1144# but will vote on 11-10 whether to use EST/EDT. 1145# He also writes that the 1146# <a href="http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html"> 1147# Ontario Time Act (1990, Chapter T.9) 1148# </a> 1149# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. 1150# Officially Atikokan is therefore on CST/CDT, and most likely this report 1151# concerns a non-official time observed as a matter of local practice. |
| 1038# For what it's worth, Shanks says that Atikokan has agreed with | 1152# 1153# From Paul Eggert (2006-03-22): 1154# For what it's worth, Shanks & Pottenger say that Atikokan has agreed with |
| 1039# Rainy River ever since standard time was introduced. 1040 1041# From Paul Eggert (2000-10-02): 1042# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and 1043# New Osnaburgh observe CST all year, that Big Trout Lake observes 1044# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in 1045# violation of the official Ontario rules. 1046# They also write that Quebec east of the -63 meridian is supposed to --- 34 unchanged lines hidden (view full) --- 1081 1082Rule Toronto 1919 only - Mar 30 23:30 1:00 D 1083Rule Toronto 1919 only - Oct 26 0:00 0 S 1084Rule Toronto 1920 only - May 2 2:00 1:00 D 1085Rule Toronto 1920 only - Sep 26 0:00 0 S 1086Rule Toronto 1921 only - May 15 2:00 1:00 D 1087Rule Toronto 1921 only - Sep 15 2:00 0 S 1088Rule Toronto 1922 1923 - May Sun>=8 2:00 1:00 D | 1155# Rainy River ever since standard time was introduced. 1156 1157# From Paul Eggert (2000-10-02): 1158# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and 1159# New Osnaburgh observe CST all year, that Big Trout Lake observes 1160# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in 1161# violation of the official Ontario rules. 1162# They also write that Quebec east of the -63 meridian is supposed to --- 34 unchanged lines hidden (view full) --- 1197 1198Rule Toronto 1919 only - Mar 30 23:30 1:00 D 1199Rule Toronto 1919 only - Oct 26 0:00 0 S 1200Rule Toronto 1920 only - May 2 2:00 1:00 D 1201Rule Toronto 1920 only - Sep 26 0:00 0 S 1202Rule Toronto 1921 only - May 15 2:00 1:00 D 1203Rule Toronto 1921 only - Sep 15 2:00 0 S 1204Rule Toronto 1922 1923 - May Sun>=8 2:00 1:00 D |
| 1089# Shanks says 1923-09-19; assume it's a typo and that "-16" was meant. | 1205# Shanks & Pottenger say 1923-09-19; assume it's a typo and that "-16" 1206# was meant. |
| 1090Rule Toronto 1922 1926 - Sep Sun>=15 2:00 0 S 1091Rule Toronto 1924 1927 - May Sun>=1 2:00 1:00 D 1092# The 1927-to-1939 rules can be expressed more simply as 1093# Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S 1094# Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D 1095# Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D 1096# Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S 1097# The rules below avoid use of Sun>=25 --- 7 unchanged lines hidden (view full) --- 1105Rule Toronto 1945 1946 - Sep lastSun 2:00 0 S 1106Rule Toronto 1946 only - Apr lastSun 2:00 1:00 D 1107Rule Toronto 1947 1949 - Apr lastSun 0:00 1:00 D 1108Rule Toronto 1947 1948 - Sep lastSun 0:00 0 S 1109Rule Toronto 1949 only - Nov lastSun 0:00 0 S 1110Rule Toronto 1950 1973 - Apr lastSun 2:00 1:00 D 1111Rule Toronto 1950 only - Nov lastSun 2:00 0 S 1112Rule Toronto 1951 1956 - Sep lastSun 2:00 0 S | 1207Rule Toronto 1922 1926 - Sep Sun>=15 2:00 0 S 1208Rule Toronto 1924 1927 - May Sun>=1 2:00 1:00 D 1209# The 1927-to-1939 rules can be expressed more simply as 1210# Rule Toronto 1927 1937 - Sep Sun>=25 2:00 0 S 1211# Rule Toronto 1928 1937 - Apr Sun>=25 2:00 1:00 D 1212# Rule Toronto 1938 1940 - Apr lastSun 2:00 1:00 D 1213# Rule Toronto 1938 1939 - Sep lastSun 2:00 0 S 1214# The rules below avoid use of Sun>=25 --- 7 unchanged lines hidden (view full) --- 1222Rule Toronto 1945 1946 - Sep lastSun 2:00 0 S 1223Rule Toronto 1946 only - Apr lastSun 2:00 1:00 D 1224Rule Toronto 1947 1949 - Apr lastSun 0:00 1:00 D 1225Rule Toronto 1947 1948 - Sep lastSun 0:00 0 S 1226Rule Toronto 1949 only - Nov lastSun 0:00 0 S 1227Rule Toronto 1950 1973 - Apr lastSun 2:00 1:00 D 1228Rule Toronto 1950 only - Nov lastSun 2:00 0 S 1229Rule Toronto 1951 1956 - Sep lastSun 2:00 0 S |
| 1113# Shanks says Toronto ended DST a week early in 1971, namely on 1971-10-24, 1114# but Mark Brader wrote (2003-05-31) that he checked the 1971-10-30 issue 1115# of the Toronto Star, and it said that DST ended 1971-10-31 as usual. | 1230# Shanks & Pottenger say Toronto ended DST a week early in 1971, 1231# namely on 1971-10-24, but Mark Brader wrote (2003-05-31) that he 1232# checked the 1971-10-30 issue of the Toronto Star, and it said that 1233# DST ended 1971-10-31 as usual. |
| 1116Rule Toronto 1957 1973 - Oct lastSun 2:00 0 S 1117 1118# From Paul Eggert (2003-07-27): 1119# Willett (1914-03) writes (p. 17) "In the Cities of Fort William, and 1120# Port Arthur, Ontario, the principle of the Bill has been in 1121# operation for the past three years, and in the City of Moose Jaw, 1122# Saskatchewan, for one year." 1123 --- 37 unchanged lines hidden (view full) --- 1161Zone America/Rainy_River -6:17:56 - LMT 1895 1162 -6:00 Canada C%sT 1940 Sep 29 1163 -6:00 1:00 CDT 1942 Feb 9 2:00s 1164 -6:00 Canada C%sT 1165 1166 1167# Manitoba 1168 | 1234Rule Toronto 1957 1973 - Oct lastSun 2:00 0 S 1235 1236# From Paul Eggert (2003-07-27): 1237# Willett (1914-03) writes (p. 17) "In the Cities of Fort William, and 1238# Port Arthur, Ontario, the principle of the Bill has been in 1239# operation for the past three years, and in the City of Moose Jaw, 1240# Saskatchewan, for one year." 1241 --- 37 unchanged lines hidden (view full) --- 1279Zone America/Rainy_River -6:17:56 - LMT 1895 1280 -6:00 Canada C%sT 1940 Sep 29 1281 -6:00 1:00 CDT 1942 Feb 9 2:00s 1282 -6:00 Canada C%sT 1283 1284 1285# Manitoba 1286 |
| 1287# From Chris Walton (2006-04-05): 1288# Here is a copy of the new official time act ... 1289# http://web2.gov.mb.ca/laws/statutes/ccsm/o030e.php 1290# The act indicates that daylight savings ends at 2:00am. 1291 1292# From Rob Douglas (2006-04-06): 1293# the old Manitoba Time Act - as amended by Bill 2, assented to 1294# March 27, 1987 ... said ... 1295# "between two o'clock Central Standard Time in the morning of 1296# the first Sunday of April of each year and two o'clock Central 1297# Standard Time in the morning of the last Sunday of October next 1298# following, one hour in advance of Central Standard Time."... 1299# I believe that the English legislation [of the old time act] had = 1300# been assented to (March 22, 1967).... 1301# Also, as far as I can tell, there was no order-in-council varying 1302# the time of Daylight Saving Time for 2005 and so the provisions of 1303# the 1987 version would apply - the changeover was at 2:00 Central 1304# Standard Time (i.e. not until 3:00 Central Daylight Time). 1305 1306# From Paul Eggert (2006-04-10): 1307# Shanks & Pottenger say Manitoba switched at 02:00 (not 02:00s) 1308# starting 1966. Since 02:00s is clearly correct for 1967 on, assume 1309# it was also 02:00s in 1966. 1310 |
|
| 1169# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1170Rule Winn 1916 only - Apr 23 0:00 1:00 D 1171Rule Winn 1916 only - Sep 17 0:00 0 S 1172Rule Winn 1918 only - Apr 14 2:00 1:00 D 1173Rule Winn 1918 only - Oct 31 2:00 0 S 1174Rule Winn 1937 only - May 16 2:00 1:00 D 1175Rule Winn 1937 only - Sep 26 2:00 0 S 1176Rule Winn 1942 only - Feb 9 2:00 1:00 W # War --- 6 unchanged lines hidden (view full) --- 1183Rule Winn 1950 only - May 1 2:00 1:00 D 1184Rule Winn 1950 only - Sep 30 2:00 0 S 1185Rule Winn 1951 1960 - Apr lastSun 2:00 1:00 D 1186Rule Winn 1951 1958 - Sep lastSun 2:00 0 S 1187Rule Winn 1959 only - Oct lastSun 2:00 0 S 1188Rule Winn 1960 only - Sep lastSun 2:00 0 S 1189Rule Winn 1963 only - Apr lastSun 2:00 1:00 D 1190Rule Winn 1963 only - Sep 22 2:00 0 S | 1311# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1312Rule Winn 1916 only - Apr 23 0:00 1:00 D 1313Rule Winn 1916 only - Sep 17 0:00 0 S 1314Rule Winn 1918 only - Apr 14 2:00 1:00 D 1315Rule Winn 1918 only - Oct 31 2:00 0 S 1316Rule Winn 1937 only - May 16 2:00 1:00 D 1317Rule Winn 1937 only - Sep 26 2:00 0 S 1318Rule Winn 1942 only - Feb 9 2:00 1:00 W # War --- 6 unchanged lines hidden (view full) --- 1325Rule Winn 1950 only - May 1 2:00 1:00 D 1326Rule Winn 1950 only - Sep 30 2:00 0 S 1327Rule Winn 1951 1960 - Apr lastSun 2:00 1:00 D 1328Rule Winn 1951 1958 - Sep lastSun 2:00 0 S 1329Rule Winn 1959 only - Oct lastSun 2:00 0 S 1330Rule Winn 1960 only - Sep lastSun 2:00 0 S 1331Rule Winn 1963 only - Apr lastSun 2:00 1:00 D 1332Rule Winn 1963 only - Sep 22 2:00 0 S |
| 1191Rule Winn 1966 1986 - Apr lastSun 2:00 1:00 D 1192Rule Winn 1966 1986 - Oct lastSun 2:00 0 S 1193Rule Winn 1987 2006 - Apr Sun>=1 2:00s 1:00 D 1194# From Paul Eggert (2000-10-02): 1195# INMS (2000-09-12) says that, since 1988 at least, Manitoba switches from 1196# DST at 03:00 local time. For now, assume it started in 1987. 1197Rule Winn 1987 2006 - Oct lastSun 2:00s 0 S 1198Rule Winn 2007 max - Mar Sun>=8 2:00s 1:00 D 1199Rule Winn 2007 max - Nov Sun>=1 2:00s 0 S | 1333Rule Winn 1966 1986 - Apr lastSun 2:00s 1:00 D 1334Rule Winn 1966 2005 - Oct lastSun 2:00s 0 S 1335Rule Winn 1987 2005 - Apr Sun>=1 2:00s 1:00 D |
| 1200# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1201Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 | 1336# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1337Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16 |
| 1202 -6:00 Winn C%sT | 1338 -6:00 Winn C%sT 2006 1339 -6:00 Canada C%sT |
| 1203 1204 1205# Saskatchewan 1206 1207# From Mark Brader (2003-07-26): 1208# The first actual adoption of DST in Canada was at the municipal 1209# level. As the [Toronto] Star put it (1912-06-07), "While people 1210# elsewhere have long been talking of legislation to save daylight, 1211# the city of Moose Jaw [Saskatchewan] has acted on its own hook." 1212# DST in Moose Jaw began on Saturday, 1912-06-01 (no time mentioned: 1213# presumably late evening, as below), and would run until "the end of 1214# the summer". The discrepancy between municipal time and railroad 1215# time was noted. 1216 1217# From Paul Eggert (2003-07-27): 1218# Willett (1914-03) notes that DST "has been in operation ... in the 1219# City of Moose Jaw, Saskatchewan, for one year." 1220 | 1340 1341 1342# Saskatchewan 1343 1344# From Mark Brader (2003-07-26): 1345# The first actual adoption of DST in Canada was at the municipal 1346# level. As the [Toronto] Star put it (1912-06-07), "While people 1347# elsewhere have long been talking of legislation to save daylight, 1348# the city of Moose Jaw [Saskatchewan] has acted on its own hook." 1349# DST in Moose Jaw began on Saturday, 1912-06-01 (no time mentioned: 1350# presumably late evening, as below), and would run until "the end of 1351# the summer". The discrepancy between municipal time and railroad 1352# time was noted. 1353 1354# From Paul Eggert (2003-07-27): 1355# Willett (1914-03) notes that DST "has been in operation ... in the 1356# City of Moose Jaw, Saskatchewan, for one year." 1357 |
| 1221# From Paul Eggert (2000-10-02): 1222# Shanks writes that since 1970 most of this region has been like Regina. | 1358# From Paul Eggert (2006-03-22): 1359# Shanks & Pottenger say that since 1970 this region has mostly been as Regina. |
| 1223# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. 1224# Other western towns (e.g. Lloydminster) are like Edmonton. 1225# Matthews and Vincent (1998) write that Denare Beach and Creighton 1226# are like Winnipeg, in violation of Saskatchewan law. 1227 1228# From W. Jones (1992-11-06): 1229# The. . .below is based on information I got from our law library, the 1230# provincial archives, and the provincial Community Services department. --- 69 unchanged lines hidden (view full) --- 1300Rule Edm 1945 only - Sep lastSun 2:00 0 S 1301Rule Edm 1947 only - Apr lastSun 2:00 1:00 D 1302Rule Edm 1947 only - Sep lastSun 2:00 0 S 1303Rule Edm 1967 only - Apr lastSun 2:00 1:00 D 1304Rule Edm 1967 only - Oct lastSun 2:00 0 S 1305Rule Edm 1969 only - Apr lastSun 2:00 1:00 D 1306Rule Edm 1969 only - Oct lastSun 2:00 0 S 1307Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D | 1360# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972. 1361# Other western towns (e.g. Lloydminster) are like Edmonton. 1362# Matthews and Vincent (1998) write that Denare Beach and Creighton 1363# are like Winnipeg, in violation of Saskatchewan law. 1364 1365# From W. Jones (1992-11-06): 1366# The. . .below is based on information I got from our law library, the 1367# provincial archives, and the provincial Community Services department. --- 69 unchanged lines hidden (view full) --- 1437Rule Edm 1945 only - Sep lastSun 2:00 0 S 1438Rule Edm 1947 only - Apr lastSun 2:00 1:00 D 1439Rule Edm 1947 only - Sep lastSun 2:00 0 S 1440Rule Edm 1967 only - Apr lastSun 2:00 1:00 D 1441Rule Edm 1967 only - Oct lastSun 2:00 0 S 1442Rule Edm 1969 only - Apr lastSun 2:00 1:00 D 1443Rule Edm 1969 only - Oct lastSun 2:00 0 S 1444Rule Edm 1972 1986 - Apr lastSun 2:00 1:00 D |
| 1308Rule Edm 1972 max - Oct lastSun 2:00 0 S 1309Rule Edm 1987 max - Apr Sun>=1 2:00 1:00 D | 1445Rule Edm 1972 2006 - Oct lastSun 2:00 0 S |
| 1310# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1311Zone America/Edmonton -7:33:52 - LMT 1906 Sep | 1446# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1447Zone America/Edmonton -7:33:52 - LMT 1906 Sep |
| 1312 -7:00 Edm M%sT | 1448 -7:00 Edm M%sT 1987 1449 -7:00 Canada M%sT |
| 1313 1314 1315# British Columbia 1316 | 1450 1451 1452# British Columbia 1453 |
| 1317# From Paul Eggert (2000-10-02): 1318# Shanks writes that since 1970 most of this region has been like Vancouver. | 1454# From Paul Eggert (2006-03-22): 1455# Shanks & Pottenger write that since 1970 most of this region has 1456# been like Vancouver. |
| 1319# Dawson Creek uses MST. Much of east BC is like Edmonton. 1320# Matthews and Vincent (1998) write that Creston is like Dawson Creek. 1321 1322# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1323Rule Vanc 1918 only - Apr 14 2:00 1:00 D 1324Rule Vanc 1918 only - Oct 31 2:00 0 S 1325Rule Vanc 1942 only - Feb 9 2:00 1:00 W # War 1326Rule Vanc 1945 only - Aug 14 23:00u 1:00 P # Peace 1327Rule Vanc 1945 only - Sep 30 2:00 0 S 1328Rule Vanc 1946 1986 - Apr lastSun 2:00 1:00 D 1329Rule Vanc 1946 only - Oct 13 2:00 0 S 1330Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S | 1457# Dawson Creek uses MST. Much of east BC is like Edmonton. 1458# Matthews and Vincent (1998) write that Creston is like Dawson Creek. 1459 1460# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1461Rule Vanc 1918 only - Apr 14 2:00 1:00 D 1462Rule Vanc 1918 only - Oct 31 2:00 0 S 1463Rule Vanc 1942 only - Feb 9 2:00 1:00 W # War 1464Rule Vanc 1945 only - Aug 14 23:00u 1:00 P # Peace 1465Rule Vanc 1945 only - Sep 30 2:00 0 S 1466Rule Vanc 1946 1986 - Apr lastSun 2:00 1:00 D 1467Rule Vanc 1946 only - Oct 13 2:00 0 S 1468Rule Vanc 1947 1961 - Sep lastSun 2:00 0 S |
| 1331Rule Vanc 1962 max - Oct lastSun 2:00 0 S 1332Rule Vanc 1987 max - Apr Sun>=1 2:00 1:00 D | 1469Rule Vanc 1962 2006 - Oct lastSun 2:00 0 S |
| 1333# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1334Zone America/Vancouver -8:12:28 - LMT 1884 | 1470# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1471Zone America/Vancouver -8:12:28 - LMT 1884 |
| 1335 -8:00 Vanc P%sT | 1472 -8:00 Vanc P%sT 1987 1473 -8:00 Canada P%sT |
| 1336Zone America/Dawson_Creek -8:00:56 - LMT 1884 1337 -8:00 Canada P%sT 1947 1338 -8:00 Vanc P%sT 1972 Aug 30 2:00 1339 -7:00 - MST 1340 1341 1342# Northwest Territories, Nunavut, Yukon 1343 | 1474Zone America/Dawson_Creek -8:00:56 - LMT 1884 1475 -8:00 Canada P%sT 1947 1476 -8:00 Vanc P%sT 1972 Aug 30 2:00 1477 -7:00 - MST 1478 1479 1480# Northwest Territories, Nunavut, Yukon 1481 |
| 1344# From Paul Eggert (1999-10-29): | 1482# From Paul Eggert (2006-03-22): |
| 1345# Dawson switched to PST in 1973. Inuvik switched to MST in 1979. 1346# Mathew Englander (1996-10-07) gives the following refs: 1347# * 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68, 1348# c. 7 defines Yukon standard time as UTC-9. This is still valid; 1349# see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1). 1350# * C.O. 1973/214 switched Yukon to PST on 1973-10-28 00:00. 1351# * O.I.C. 1980/02 established DST. 1352# * O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00. | 1483# Dawson switched to PST in 1973. Inuvik switched to MST in 1979. 1484# Mathew Englander (1996-10-07) gives the following refs: 1485# * 1967. Paragraph 28(34)(g) of the Interpretation Act, S.C. 1967-68, 1486# c. 7 defines Yukon standard time as UTC-9. This is still valid; 1487# see Interpretation Act, R.S.C. 1985, c. I-21, s. 35(1). 1488# * C.O. 1973/214 switched Yukon to PST on 1973-10-28 00:00. 1489# * O.I.C. 1980/02 established DST. 1490# * O.I.C. 1987/056 changed DST to Apr firstSun 2:00 to Oct lastSun 2:00. |
| 1353# Shanks says Yukon's 1973-10-28 switch was at 2:00; go with Englander. | 1491# Shanks & Pottenger say Yukon's 1973-10-28 switch was at 2:00; go 1492# with Englander. |
| 1354 1355# From Rives McDow (1999-09-04): 1356# Nunavut ... moved ... to incorporate the whole territory into one time zone. 1357# <a href="http://www.nunatsiaq.com/nunavut/nvt90903_13.html"> 1358# Nunavut moves to single time zone Oct. 31 1359# </a> 1360# 1361# From Antoine Leca (1999-09-06): --- 91 unchanged lines hidden (view full) --- 1453# round. Using Google, it's easy to find other websites that confirm this. 1454# I wasn't able to find how far back this time regimen goes, but since it 1455# predates the creation of Nunavut, it probably goes back many years.... 1456# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used. 1457# 1458# From Paul Eggert (2005-07-26): 1459# For lack of better information, assume that Southampton Island observed 1460# daylight saving only during wartime. | 1493 1494# From Rives McDow (1999-09-04): 1495# Nunavut ... moved ... to incorporate the whole territory into one time zone. 1496# <a href="http://www.nunatsiaq.com/nunavut/nvt90903_13.html"> 1497# Nunavut moves to single time zone Oct. 31 1498# </a> 1499# 1500# From Antoine Leca (1999-09-06): --- 91 unchanged lines hidden (view full) --- 1592# round. Using Google, it's easy to find other websites that confirm this. 1593# I wasn't able to find how far back this time regimen goes, but since it 1594# predates the creation of Nunavut, it probably goes back many years.... 1595# The Inuktitut name of Coral Harbour is Sallit, but it's rarely used. 1596# 1597# From Paul Eggert (2005-07-26): 1598# For lack of better information, assume that Southampton Island observed 1599# daylight saving only during wartime. |
| 1600# 1601# From Chris Walton (2006-04-25): 1602# Daylight saving time will be extended by four weeks starting in 2007.... 1603# http://www.cbc.ca/north/story/nor-nwt-time-change.html |
|
| 1461 1462# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1463Rule NT_YK 1918 only - Apr 14 2:00 1:00 D 1464Rule NT_YK 1918 only - Oct 27 2:00 0 S 1465Rule NT_YK 1919 only - May 25 2:00 1:00 D 1466Rule NT_YK 1919 only - Nov 1 0:00 0 S 1467Rule NT_YK 1942 only - Feb 9 2:00 1:00 W # War 1468Rule NT_YK 1945 only - Aug 14 23:00u 1:00 P # Peace 1469Rule NT_YK 1945 only - Sep 30 2:00 0 S 1470Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD 1471Rule NT_YK 1965 only - Oct lastSun 2:00 0 S 1472Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D | 1604 1605# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1606Rule NT_YK 1918 only - Apr 14 2:00 1:00 D 1607Rule NT_YK 1918 only - Oct 27 2:00 0 S 1608Rule NT_YK 1919 only - May 25 2:00 1:00 D 1609Rule NT_YK 1919 only - Nov 1 0:00 0 S 1610Rule NT_YK 1942 only - Feb 9 2:00 1:00 W # War 1611Rule NT_YK 1945 only - Aug 14 23:00u 1:00 P # Peace 1612Rule NT_YK 1945 only - Sep 30 2:00 0 S 1613Rule NT_YK 1965 only - Apr lastSun 0:00 2:00 DD 1614Rule NT_YK 1965 only - Oct lastSun 2:00 0 S 1615Rule NT_YK 1980 1986 - Apr lastSun 2:00 1:00 D |
| 1473Rule NT_YK 1980 max - Oct lastSun 2:00 0 S 1474Rule NT_YK 1987 max - Apr Sun>=1 2:00 1:00 D | 1616Rule NT_YK 1980 2006 - Oct lastSun 2:00 0 S 1617Rule NT_YK 1987 2006 - Apr Sun>=1 2:00 1:00 D |
| 1475# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1476Zone America/Pangnirtung -4:22:56 - LMT 1884 1477 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 1478 -5:00 Canada E%sT 1999 Oct 31 2:00 1479 -6:00 Canada C%sT 2000 Oct 29 2:00 1480 -5:00 Canada E%sT 1481Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay before 1987 1482 -5:00 NT_YK E%sT 1999 Oct 31 2:00 --- 8 unchanged lines hidden (view full) --- 1491 -6:00 Canada C%sT 1492Zone America/Cambridge_Bay -7:00:20 - LMT 1884 1493 -7:00 NT_YK M%sT 1999 Oct 31 2:00 1494 -6:00 Canada C%sT 2000 Oct 29 2:00 1495 -5:00 - EST 2000 Nov 5 0:00 1496 -6:00 - CST 2001 Apr 1 3:00 1497 -7:00 Canada M%sT 1498Zone America/Yellowknife -7:37:24 - LMT 1884 | 1618# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1619Zone America/Pangnirtung -4:22:56 - LMT 1884 1620 -4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00 1621 -5:00 Canada E%sT 1999 Oct 31 2:00 1622 -6:00 Canada C%sT 2000 Oct 29 2:00 1623 -5:00 Canada E%sT 1624Zone America/Iqaluit -4:33:52 - LMT 1884 # Frobisher Bay before 1987 1625 -5:00 NT_YK E%sT 1999 Oct 31 2:00 --- 8 unchanged lines hidden (view full) --- 1634 -6:00 Canada C%sT 1635Zone America/Cambridge_Bay -7:00:20 - LMT 1884 1636 -7:00 NT_YK M%sT 1999 Oct 31 2:00 1637 -6:00 Canada C%sT 2000 Oct 29 2:00 1638 -5:00 - EST 2000 Nov 5 0:00 1639 -6:00 - CST 2001 Apr 1 3:00 1640 -7:00 Canada M%sT 1641Zone America/Yellowknife -7:37:24 - LMT 1884 |
| 1499 -7:00 NT_YK M%sT | 1642 -7:00 NT_YK M%sT 1980 1643 -7:00 Canada M%sT |
| 1500Zone America/Inuvik -8:54:00 - LMT 1884 1501 -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 | 1644Zone America/Inuvik -8:54:00 - LMT 1884 1645 -8:00 NT_YK P%sT 1979 Apr lastSun 2:00 |
| 1502 -7:00 NT_YK M%sT | 1646 -7:00 NT_YK M%sT 1980 1647 -7:00 Canada M%sT |
| 1503Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 1504 -9:00 NT_YK Y%sT 1966 Jul 1 2:00 | 1648Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20 1649 -9:00 NT_YK Y%sT 1966 Jul 1 2:00 |
| 1505 -8:00 NT_YK P%sT | 1650 -8:00 NT_YK P%sT 1980 1651 -8:00 Canada P%sT |
| 1506Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 1507 -9:00 NT_YK Y%sT 1973 Oct 28 0:00 | 1652Zone America/Dawson -9:17:40 - LMT 1900 Aug 20 1653 -9:00 NT_YK Y%sT 1973 Oct 28 0:00 |
| 1508 -8:00 NT_YK P%sT | 1654 -8:00 NT_YK P%sT 1980 1655 -8:00 Canada P%sT |
| 1509 1510 1511############################################################################### 1512 1513# Mexico 1514 1515# From Paul Eggert (2001-03-05): 1516# The Investigation and Analysis Service of the 1517# Mexican Library of Congress (MLoC) has published a 1518# <a href="http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/"> 1519# history of Mexican local time (in Spanish) 1520# </a>. 1521# | 1656 1657 1658############################################################################### 1659 1660# Mexico 1661 1662# From Paul Eggert (2001-03-05): 1663# The Investigation and Analysis Service of the 1664# Mexican Library of Congress (MLoC) has published a 1665# <a href="http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/"> 1666# history of Mexican local time (in Spanish) 1667# </a>. 1668# |
| 1522# Here are the discrepancies between Shanks and the MLoC. | 1669# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC. |
| 1523# (In all cases we go with the MLoC.) | 1670# (In all cases we go with the MLoC.) |
| 1524# Shanks reports that Baja was at -8:00 in 1922/1923. 1525# Shanks says the 1930 transition in Baja was 1930-11-16. 1526# Shanks reports no DST during summer 1931. 1527# Shanks reports a transition at 1932-03-30 23:00, not 1932-04-01. 1528# Shanks does not report transitions for Baja in 1945 or 1948. 1529# Shanks reports southern Mexico transitions on 1981-12-01, not 12-23. 1530# Shanks says Quintana Roo switched to -6:00 on 1982-12-02, and to -5:00 1531# on 1997-10-26 at 02:00. | 1671# S&P report that Baja was at -8:00 in 1922/1923. 1672# S&P say the 1930 transition in Baja was 1930-11-16. 1673# S&P report no DST during summer 1931. 1674# S&P report a transition at 1932-03-30 23:00, not 1932-04-01. |
| 1532 1533# From Gwillim Law (2001-02-20): 1534# There are some other discrepancies between the Decrees page and the 1535# tz database. I think they can best be explained by supposing that 1536# the researchers who prepared the Decrees page failed to find some of 1537# the relevant documents. 1538 | 1675 1676# From Gwillim Law (2001-02-20): 1677# There are some other discrepancies between the Decrees page and the 1678# tz database. I think they can best be explained by supposing that 1679# the researchers who prepared the Decrees page failed to find some of 1680# the relevant documents. 1681 |
| 1539# From Paul Eggert (2000-07-26): 1540# Shanks gives 1942-04-01 instead of 1942-04-24, and omits the 1981 1541# and 1988 DST experiments. Go with spin.com.mx. 1542 | |
| 1543# From Alan Perry (1996-02-15): 1544# A guy from our Mexico subsidiary finally found the Presidential Decree 1545# outlining the timezone changes in Mexico. 1546# 1547# ------------- Begin Forwarded Message ------------- 1548# 1549# I finally got my hands on the Official Presidential Decree that sets up the 1550# rules for the DST changes. The rules are: --- 183 unchanged lines hidden (view full) --- 1734# Baja California 1735Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 1736 -7:00 - MST 1924 1737 -8:00 - PST 1927 Jun 10 23:00 1738 -7:00 - MST 1930 Nov 15 1739 -8:00 - PST 1931 Apr 1 1740 -8:00 1:00 PDT 1931 Sep 30 1741 -8:00 - PST 1942 Apr 24 | 1682# From Alan Perry (1996-02-15): 1683# A guy from our Mexico subsidiary finally found the Presidential Decree 1684# outlining the timezone changes in Mexico. 1685# 1686# ------------- Begin Forwarded Message ------------- 1687# 1688# I finally got my hands on the Official Presidential Decree that sets up the 1689# rules for the DST changes. The rules are: --- 183 unchanged lines hidden (view full) --- 1873# Baja California 1874Zone America/Tijuana -7:48:04 - LMT 1922 Jan 1 0:11:56 1875 -7:00 - MST 1924 1876 -8:00 - PST 1927 Jun 10 23:00 1877 -7:00 - MST 1930 Nov 15 1878 -8:00 - PST 1931 Apr 1 1879 -8:00 1:00 PDT 1931 Sep 30 1880 -8:00 - PST 1942 Apr 24 |
| 1742 -8:00 1:00 PWT 1945 Nov 12 | 1881 -8:00 1:00 PWT 1945 Aug 14 23:00u 1882 -8:00 1:00 PPT 1945 Nov 12 # Peace |
| 1743 -8:00 - PST 1948 Apr 5 1744 -8:00 1:00 PDT 1949 Jan 14 1745 -8:00 - PST 1954 1746 -8:00 CA P%sT 1961 1747 -8:00 - PST 1976 1748 -8:00 US P%sT 1996 1749 -8:00 Mexico P%sT 2001 1750 -8:00 US P%sT 2002 Feb 20 1751 -8:00 Mexico P%sT | 1883 -8:00 - PST 1948 Apr 5 1884 -8:00 1:00 PDT 1949 Jan 14 1885 -8:00 - PST 1954 1886 -8:00 CA P%sT 1961 1887 -8:00 - PST 1976 1888 -8:00 US P%sT 1996 1889 -8:00 Mexico P%sT 2001 1890 -8:00 US P%sT 2002 Feb 20 1891 -8:00 Mexico P%sT |
| 1752# From Paul Eggert (2001-03-05): | 1892# From Paul Eggert (2006-03-22): |
| 1753# Formerly there was an America/Ensenada zone, which differed from 1754# America/Tijuana only in that it did not observe DST from 1976 | 1893# Formerly there was an America/Ensenada zone, which differed from 1894# America/Tijuana only in that it did not observe DST from 1976 |
| 1755# through 1995. This was as per Shanks. However, Guy Harris reports | 1895# through 1995. This was as per Shanks (1999). But Shanks & Pottenger say 1896# Ensenada did not observe DST from 1948 through 1975. Guy Harris reports |
| 1756# that the 1987 OAG says "Only Ensenada, Mexicale, San Felipe and | 1897# that the 1987 OAG says "Only Ensenada, Mexicale, San Felipe and |
| 1757# Tijuana observe DST," which contradicts Shanks but does imply that | 1898# Tijuana observe DST," which agrees with Shanks & Pottenger but implies that |
| 1758# DST-observance was a town-by-town matter back then. This concerns 1759# data after 1970 so most likely there should be at least one Zone 1760# other than America/Tijuana for Baja, but it's not clear yet what its 1761# name or contents should be. 1762# 1763# Revillagigedo Is 1764# no information 1765 --- 27 unchanged lines hidden (view full) --- 1793Rule Barb 1979 only - Sep 30 2:00 0 S 1794Rule Barb 1980 only - Sep 25 2:00 0 S 1795# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1796Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown 1797 -3:58:28 - BMT 1932 # Bridgetown Mean Time 1798 -4:00 Barb A%sT 1799 1800# Belize | 1899# DST-observance was a town-by-town matter back then. This concerns 1900# data after 1970 so most likely there should be at least one Zone 1901# other than America/Tijuana for Baja, but it's not clear yet what its 1902# name or contents should be. 1903# 1904# Revillagigedo Is 1905# no information 1906 --- 27 unchanged lines hidden (view full) --- 1934Rule Barb 1979 only - Sep 30 2:00 0 S 1935Rule Barb 1980 only - Sep 25 2:00 0 S 1936# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1937Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown 1938 -3:58:28 - BMT 1932 # Bridgetown Mean Time 1939 -4:00 Barb A%sT 1940 1941# Belize |
| 1801# Whitman entirely disagrees with Shanks; go with Shanks. | 1942# Whitman entirely disagrees with Shanks; go with Shanks & Pottenger. |
| 1802# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1803Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD 1804Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S 1805Rule Belize 1973 only - Dec 5 0:00 1:00 D 1806Rule Belize 1974 only - Feb 9 0:00 0 S 1807Rule Belize 1982 only - Dec 18 0:00 1:00 D 1808Rule Belize 1983 only - Feb 12 0:00 0 S 1809# Zone NAME GMTOFF RULES FORMAT [UNTIL] --- 12 unchanged lines hidden (view full) --- 1822 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 1823 -5:00 - EST 1824 1825# Costa Rica 1826# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1827Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D 1828Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S 1829Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D | 1943# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1944Rule Belize 1918 1942 - Oct Sun>=2 0:00 0:30 HD 1945Rule Belize 1919 1943 - Feb Sun>=9 0:00 0 S 1946Rule Belize 1973 only - Dec 5 0:00 1:00 D 1947Rule Belize 1974 only - Feb 9 0:00 0 S 1948Rule Belize 1982 only - Dec 18 0:00 1:00 D 1949Rule Belize 1983 only - Feb 12 0:00 0 S 1950# Zone NAME GMTOFF RULES FORMAT [UNTIL] --- 12 unchanged lines hidden (view full) --- 1963 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 1964 -5:00 - EST 1965 1966# Costa Rica 1967# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1968Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D 1969Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S 1970Rule CR 1991 1992 - Jan Sat>=15 0:00 1:00 D |
| 1830# IATA SSIM (1991-09) says the following was at 1:00; go with Shanks. | 1971# IATA SSIM (1991-09) says the following was at 1:00; 1972# go with Shanks & Pottenger. |
| 1831Rule CR 1991 only - Jul 1 0:00 0 S 1832Rule CR 1992 only - Mar 15 0:00 0 S 1833# There are too many San Joses elsewhere, so we'll use `Costa Rica'. 1834# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1835Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose 1836 -5:36:20 - SJMT 1921 Jan 15 # San Jose Mean Time 1837 -6:00 CR C%sT 1838# Coco --- 9 unchanged lines hidden (view full) --- 1848# "We'll be losing two hours of sleep...Cuba switched to Daylight Saving 1849# Time today." (The "two hour" remark referred to losing one hour of 1850# sleep on 1999-03-28--when the announcers were in Cuba as it switched 1851# to DST--and one more hour on 1999-04-04--when the announcers will have 1852# returned to Baltimore, which switches on that date.) 1853 1854# From Evert van der Veer via Steffen Thorsen (2004-10-28): 1855# Cuba is not going back to standard time this year. | 1973Rule CR 1991 only - Jul 1 0:00 0 S 1974Rule CR 1992 only - Mar 15 0:00 0 S 1975# There are too many San Joses elsewhere, so we'll use `Costa Rica'. 1976# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1977Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose 1978 -5:36:20 - SJMT 1921 Jan 15 # San Jose Mean Time 1979 -6:00 CR C%sT 1980# Coco --- 9 unchanged lines hidden (view full) --- 1990# "We'll be losing two hours of sleep...Cuba switched to Daylight Saving 1991# Time today." (The "two hour" remark referred to losing one hour of 1992# sleep on 1999-03-28--when the announcers were in Cuba as it switched 1993# to DST--and one more hour on 1999-04-04--when the announcers will have 1994# returned to Baltimore, which switches on that date.) 1995 1996# From Evert van der Veer via Steffen Thorsen (2004-10-28): 1997# Cuba is not going back to standard time this year. |
| 1856# From Paul Eggert (2004-10-28): | 1998# From Paul Eggert (2006-03-22): |
| 1857# http://www.granma.cu/ingles/2004/septiembre/juev30/41medid-i.html 1858# says that it's due to a problem at the Antonio Guiteras 1859# thermoelectric plant, and says "This October there will be no return 1860# to normal hours (after daylight saving time)". | 1999# http://www.granma.cu/ingles/2004/septiembre/juev30/41medid-i.html 2000# says that it's due to a problem at the Antonio Guiteras 2001# thermoelectric plant, and says "This October there will be no return 2002# to normal hours (after daylight saving time)". |
| 1861# For now, let's assume that it's a one-year temporary measure. | 2003# For now, let's assume that it's a temporary measure. |
| 1862 1863# From Carlos A. Carnero Delgado (2005-11-12): 1864# This year (just like in 2004-2005) there's no change in time zone 1865# adjustment in Cuba. We will stay in daylight saving time: 1866# http://www.granma.cu/espanol/2005/noviembre/mier9/horario.html 1867 1868# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1869Rule Cuba 1928 only - Jun 10 0:00 1:00 D --- 68 unchanged lines hidden (view full) --- 1938Zone America/Santo_Domingo -4:39:36 - LMT 1890 1939 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT 1940 -5:00 DR E%sT 1974 Oct 27 1941 -4:00 - AST 2000 Oct 29 02:00 1942 -5:00 US E%sT 2000 Dec 3 01:00 1943 -4:00 - AST 1944 1945# El Salvador | 2004 2005# From Carlos A. Carnero Delgado (2005-11-12): 2006# This year (just like in 2004-2005) there's no change in time zone 2007# adjustment in Cuba. We will stay in daylight saving time: 2008# http://www.granma.cu/espanol/2005/noviembre/mier9/horario.html 2009 2010# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2011Rule Cuba 1928 only - Jun 10 0:00 1:00 D --- 68 unchanged lines hidden (view full) --- 2080Zone America/Santo_Domingo -4:39:36 - LMT 1890 2081 -4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT 2082 -5:00 DR E%sT 1974 Oct 27 2083 -4:00 - AST 2000 Oct 29 02:00 2084 -5:00 US E%sT 2000 Dec 3 01:00 2085 -4:00 - AST 2086 2087# El Salvador |
| 2088 2089# From Paul Eggert (2006-05-05): 2090# worldtimezone.com reports a 2006-05-02 Spanish-language AP article 2091# saying Honduras will start using DST midnight Saturday, effective 4 2092# months until September, and a 2006-05-03 NACION article saying El 2093# Salvador will follow suit. However, ignore this for now, because: 2094# From Jesper Norgaard Welen (2005-05-05): 2095# Change of DST perhaps postponed in El Salvador: 2096# http://www.laprensagrafica.com/lodeldia/883.asp 2097 |
|
| 1946# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1947Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D 1948Rule Salv 1987 1988 - Sep lastSun 0:00 0 S 1949# There are too many San Salvadors elsewhere, so use America/El_Salvador 1950# instead of America/San_Salvador. 1951# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1952Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador 1953 -6:00 Salv C%sT --- 4 unchanged lines hidden (view full) --- 1958 -4:00 - AST 1959 1960# Guadeloupe 1961# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1962Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe a Pitre 1963 -4:00 - AST 1964 1965# Guatemala | 2098# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2099Rule Salv 1987 1988 - May Sun>=1 0:00 1:00 D 2100Rule Salv 1987 1988 - Sep lastSun 0:00 0 S 2101# There are too many San Salvadors elsewhere, so use America/El_Salvador 2102# instead of America/San_Salvador. 2103# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2104Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador 2105 -6:00 Salv C%sT --- 4 unchanged lines hidden (view full) --- 2110 -4:00 - AST 2111 2112# Guadeloupe 2113# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2114Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe a Pitre 2115 -4:00 - AST 2116 2117# Guatemala |
| 2118# 2119# From Gwillim Law (2006-04-22), after a heads-up from Oscar van Vlijmen: 2120# Diario Co Latino, at 2121# http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079, 2122# says in an article dated 2006-04-19 that the Guatemalan government had 2123# decided on that date to advance official time by 60 minutes, to lessen the 2124# impact of the elevated cost of oil.... Daylight saving time will last from 2125# 2006-04-29 24:00 (Guatemalan standard time) to 2006-09-30 (time unspecified). |
|
| 1966# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1967Rule Guat 1973 only - Nov 25 0:00 1:00 D 1968Rule Guat 1974 only - Feb 24 0:00 0 S 1969Rule Guat 1983 only - May 21 0:00 1:00 D 1970Rule Guat 1983 only - Sep 22 0:00 0 S 1971Rule Guat 1991 only - Mar 23 0:00 1:00 D 1972Rule Guat 1991 only - Sep 7 0:00 0 S | 2126# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2127Rule Guat 1973 only - Nov 25 0:00 1:00 D 2128Rule Guat 1974 only - Feb 24 0:00 0 S 2129Rule Guat 1983 only - May 21 0:00 1:00 D 2130Rule Guat 1983 only - Sep 22 0:00 0 S 2131Rule Guat 1991 only - Mar 23 0:00 1:00 D 2132Rule Guat 1991 only - Sep 7 0:00 0 S |
| 2133Rule Guat 2006 only - Apr 30 0:00 1:00 D 2134Rule Guat 2006 only - Oct 1 0:00 0 S |
|
| 1973# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1974Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 1975 -6:00 Guat C%sT 1976 1977# Haiti 1978# From Gwillim Law (2005-04-15): 1979# Risto O. Nykanen wrote me that Haiti is now on DST. 1980# I searched for confirmation, and I found a --- 8 unchanged lines hidden (view full) --- 1989# Saturday the 2nd to Sunday the 3rd. 1990# 1991# "Consequently, the Prime Minister's Communication Office wishes to inform 1992# the population that the country's clocks will be set forward one hour 1993# starting at midnight. This provision will hold until the last Saturday in 1994# October 2005. 1995# 1996# "Port-au-Prince, March 31, 2005" | 2135# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2136Zone America/Guatemala -6:02:04 - LMT 1918 Oct 5 2137 -6:00 Guat C%sT 2138 2139# Haiti 2140# From Gwillim Law (2005-04-15): 2141# Risto O. Nykanen wrote me that Haiti is now on DST. 2142# I searched for confirmation, and I found a --- 8 unchanged lines hidden (view full) --- 2151# Saturday the 2nd to Sunday the 3rd. 2152# 2153# "Consequently, the Prime Minister's Communication Office wishes to inform 2154# the population that the country's clocks will be set forward one hour 2155# starting at midnight. This provision will hold until the last Saturday in 2156# October 2005. 2157# 2158# "Port-au-Prince, March 31, 2005" |
| 2159# 2160# From Steffen Thorsen (2006-04-04): 2161# I have been informed by users that Haiti observes DST this year like 2162# last year, so the current "only" rule for 2005 might be changed to a 2163# "max" rule or to last until 2006. (Who knows if they will observe DST 2164# next year or if they will extend their DST like US/Canada next year). 2165# 2166# I have found this article about it (in French): 2167# http://www.haitipressnetwork.com/news.cfm?articleID=7612 2168# 2169# The reason seems to be an energy crisis. |
|
| 1997 | 2170 |
| 2171 |
|
| 1998# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1999Rule Haiti 1983 only - May 8 0:00 1:00 D 2000Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D 2001Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S | 2172# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2173Rule Haiti 1983 only - May 8 0:00 1:00 D 2174Rule Haiti 1984 1987 - Apr lastSun 0:00 1:00 D 2175Rule Haiti 1983 1987 - Oct lastSun 0:00 0 S |
| 2002# Shanks says AT is 2:00, but IATA SSIM (1991/1997) says 1:00s. Go with IATA. | 2176# Shanks & Pottenger say AT is 2:00, but IATA SSIM (1991/1997) says 1:00s. 2177# Go with IATA. |
| 2003Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D 2004Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S | 2178Rule Haiti 1988 1997 - Apr Sun>=1 1:00s 1:00 D 2179Rule Haiti 1988 1997 - Oct lastSun 1:00s 0 S |
| 2005Rule Haiti 2005 only - Apr Sun>=1 0:00 1:00 D 2006Rule Haiti 2005 only - Oct lastSun 0:00 0 S | 2180Rule Haiti 2005 max - Apr Sun>=1 0:00 1:00 D 2181Rule Haiti 2005 max - Oct lastSun 0:00 0 S |
| 2007# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2008Zone America/Port-au-Prince -4:49:20 - LMT 1890 2009 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT 2010 -5:00 Haiti E%sT 2011 2012# Honduras | 2182# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2183Zone America/Port-au-Prince -4:49:20 - LMT 1890 2184 -4:49 - PPMT 1917 Jan 24 12:00 # P-a-P MT 2185 -5:00 Haiti E%sT 2186 2187# Honduras |
| 2013# Shanks says 1921 Jan 1; go with Whitman's more precise Apr 1. | 2188# Shanks & Pottenger say 1921 Jan 1; go with Whitman's more precise Apr 1. 2189 2190# From Paul Eggert (2006-05-05): 2191# worldtimezone.com reports a 2006-05-02 Spanish-language AP article 2192# saying Honduras will start using DST midnight Saturday, effective 4 2193# months until September. La Tribuna reported today 2194# <http://www.latribuna.hn/99299.html> that Manuel Zelaya, the president 2195# of Honduras, refused to back down on this. For lack of better info, 2196# assume they'll use the same end-of-DST rules as in 1987 and 1988. 2197 2198# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2199Rule Hond 1987 1988 - May Sun>=1 0:00 1:00 D 2200Rule Hond 1987 1988 - Sep lastSun 0:00 0 S 2201Rule Hond 2006 only - May Sun>=1 0:00 1:00 D 2202Rule Hond 2006 only - Sep lastSun 0:00 0 S |
| 2014# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2015Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr | 2203# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2204Zone America/Tegucigalpa -5:48:52 - LMT 1921 Apr |
| 2016 -6:00 Salv C%sT | 2205 -6:00 Hond C%sT |
| 2017# 2018# Great Swan I ceded by US to Honduras in 1972 2019 2020# Jamaica 2021 2022# From Bob Devine (1988-01-28): 2023# Follows US rules. 2024 2025# From U. S. Naval Observatory (1989-01-19): 2026# JAMAICA 5 H BEHIND UTC 2027 | 2206# 2207# Great Swan I ceded by US to Honduras in 1972 2208 2209# Jamaica 2210 2211# From Bob Devine (1988-01-28): 2212# Follows US rules. 2213 2214# From U. S. Naval Observatory (1989-01-19): 2215# JAMAICA 5 H BEHIND UTC 2216 |
| 2028# From Shanks: | 2217# From Shanks & Pottenger: |
| 2029# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2030Zone America/Jamaica -5:07:12 - LMT 1890 # Kingston 2031 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 2032 -5:00 - EST 1974 Apr 28 2:00 2033 -5:00 US E%sT 1984 2034 -5:00 - EST 2035 2036# Martinique 2037# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2038Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France 2039 -4:04:20 - FFMT 1911 May # Fort-de-France MT 2040 -4:00 - AST 1980 Apr 6 2041 -4:00 1:00 ADT 1980 Sep 28 2042 -4:00 - AST 2043 2044# Montserrat | 2218# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2219Zone America/Jamaica -5:07:12 - LMT 1890 # Kingston 2220 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 2221 -5:00 - EST 1974 Apr 28 2:00 2222 -5:00 US E%sT 1984 2223 -5:00 - EST 2224 2225# Martinique 2226# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2227Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France 2228 -4:04:20 - FFMT 1911 May # Fort-de-France MT 2229 -4:00 - AST 1980 Apr 6 2230 -4:00 1:00 ADT 1980 Sep 28 2231 -4:00 - AST 2232 2233# Montserrat |
| 2045# From Paul Eggert (1997-08-31): 2046# Recent volcanic eruptions have forced evacuation of Plymouth, the capital. 2047# Luckily, Olveston, the current de facto capital, has the same longitude. | 2234# From Paul Eggert (2006-03-22): 2235# In 1995 volcanic eruptions forced evacuation of Plymouth, the capital. 2236# world.gazetteer.com says Cork Hill is the most populous location now. |
| 2048# Zone NAME GMTOFF RULES FORMAT [UNTIL] | 2237# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
| 2049Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Olveston | 2238Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Cork Hill |
| 2050 -4:00 - AST 2051 2052# Nicaragua 2053# | 2239 -4:00 - AST 2240 2241# Nicaragua 2242# |
| 2054# From Steffen Thorsen (1998-12-29): 2055# Nicaragua seems to be back at -6:00 but I have not been able to find when 2056# they changed from -5:00. | 2243# This uses Shanks & Pottenger for times before 2005. |
| 2057# 2058# From Steffen Thorsen (2005-04-12): 2059# I've got reports from 8 different people that Nicaragua just started 2060# DST on Sunday 2005-04-10, in order to save energy because of 2061# expensive petroleum. The exact end date for DST is not yet 2062# announced, only "September" but some sites also say "mid-September". 2063# Some background information is available on the President's official site: 2064# http://www.presidencia.gob.ni/Presidencia/Files_index/Secretaria/Notas%20de%20Prensa/Presidente/2005/ABRIL/Gobierno-de-nicaragua-adelanta-hora-oficial-06abril.htm 2065# The Decree, no 23-2005 is available here: 2066# http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2005/Decreto%2023-2005%20Se%20adelanta%20en%20una%20hora%20en%20todo%20el%20territorio%20nacional%20apartir%20de%20las%2024horas%20del%2009%20de%20Abril.pdf 2067# 2068# From Paul Eggert (2005-05-01): 2069# The decree doesn't say anything about daylight saving, but for now let's | 2244# 2245# From Steffen Thorsen (2005-04-12): 2246# I've got reports from 8 different people that Nicaragua just started 2247# DST on Sunday 2005-04-10, in order to save energy because of 2248# expensive petroleum. The exact end date for DST is not yet 2249# announced, only "September" but some sites also say "mid-September". 2250# Some background information is available on the President's official site: 2251# http://www.presidencia.gob.ni/Presidencia/Files_index/Secretaria/Notas%20de%20Prensa/Presidente/2005/ABRIL/Gobierno-de-nicaragua-adelanta-hora-oficial-06abril.htm 2252# The Decree, no 23-2005 is available here: 2253# http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2005/Decreto%2023-2005%20Se%20adelanta%20en%20una%20hora%20en%20todo%20el%20territorio%20nacional%20apartir%20de%20las%2024horas%20del%2009%20de%20Abril.pdf 2254# 2255# From Paul Eggert (2005-05-01): 2256# The decree doesn't say anything about daylight saving, but for now let's |
| 2070# assume that it is daylight saving and that they'll switch back on the 2071# 3rd Sunday in September. | 2257# assume that it is daylight saving.... |
| 2072# 2073# From Gwillim Law (2005-04-21): 2074# The Associated Press story on the time change, which can be found at 2075# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html 2076# and elsewhere, says (fifth paragraph, translated from Spanish): "The last 2077# time that a change of clocks was applied to save energy was in the year 2000 2078# during the Arnoldo Aleman administration."... 2079# The northamerica file says that Nicaragua has been on UTC-6 continuously 2080# since December 1998. I wasn't able to find any details of Nicaraguan time 2081# changes in 2000. Perhaps a note could be added to the northamerica file, to 2082# the effect that we have indirect evidence that DST was observed in 2000. 2083# 2084# From Jesper Norgaard Welen (2005-11-02): 2085# Nicaragua left DST the 2005-10-02 at 00:00 (local time). 2086# http://www.presidencia.gob.ni/presidencia/files_index/secretaria/comunicados/2005/septiembre/26septiembre-cambio-hora.htm 2087# (2005-09-26) 2088# | 2258# 2259# From Gwillim Law (2005-04-21): 2260# The Associated Press story on the time change, which can be found at 2261# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html 2262# and elsewhere, says (fifth paragraph, translated from Spanish): "The last 2263# time that a change of clocks was applied to save energy was in the year 2000 2264# during the Arnoldo Aleman administration."... 2265# The northamerica file says that Nicaragua has been on UTC-6 continuously 2266# since December 1998. I wasn't able to find any details of Nicaraguan time 2267# changes in 2000. Perhaps a note could be added to the northamerica file, to 2268# the effect that we have indirect evidence that DST was observed in 2000. 2269# 2270# From Jesper Norgaard Welen (2005-11-02): 2271# Nicaragua left DST the 2005-10-02 at 00:00 (local time). 2272# http://www.presidencia.gob.ni/presidencia/files_index/secretaria/comunicados/2005/septiembre/26septiembre-cambio-hora.htm 2273# (2005-09-26) 2274# |
| 2275# From Jesper Norgaard Welen (2006-05-05): 2276# http://www.elnuevodiario.com.ni/2006/05/01/nacionales/18410 2277# (my informal translation) 2278# By order of the president of the republic, Enrique Bolanos, Nicaragua 2279# advanced by sixty minutes their official time, yesterday at 2 in the 2280# morning, and will stay that way until 30.th. of september. 2281# |
|
| 2089# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2090Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D 2091Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S | 2282# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2283Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D 2284Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S |
| 2092Rule Nic 1992 only - Jan 1 4:00 1:00 D 2093Rule Nic 1992 only - Sep 24 0:00 0 S | |
| 2094Rule Nic 2005 only - Apr 10 0:00 1:00 D | 2285Rule Nic 2005 only - Apr 10 0:00 1:00 D |
| 2095Rule Nic 2005 only - Oct 2 0:00 0 S | 2286Rule Nic 2005 2006 - Oct Sun>=1 0:00 0 S 2287Rule Nic 2006 only - Apr 30 2:00 1:00 D |
| 2096# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2097Zone America/Managua -5:45:08 - LMT 1890 2098 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? 2099 -6:00 - CST 1973 May 2100 -5:00 - EST 1975 Feb 16 | 2288# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2289Zone America/Managua -5:45:08 - LMT 1890 2290 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? 2291 -6:00 - CST 1973 May 2292 -5:00 - EST 1975 Feb 16 |
| 2101 -6:00 Nic C%sT 1993 Jan 1 4:00 2102 -5:00 - EST 1998 Dec | 2293 -6:00 Nic C%sT 1992 Jan 1 4:00 2294 -5:00 - EST 1992 Sep 24 2295 -6:00 - CST 1993 2296 -5:00 - EST 1997 |
| 2103 -6:00 Nic C%sT 2104 2105# Panama 2106# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2107Zone America/Panama -5:18:08 - LMT 1890 2108 -5:19:36 - CMT 1908 Apr 22 # Colon Mean Time 2109 -5:00 - EST 2110 2111# Puerto Rico 2112# There are too many San Juans elsewhere, so we'll use `Puerto_Rico'. 2113# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2114Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan 2115 -4:00 - AST 1942 May 3 | 2297 -6:00 Nic C%sT 2298 2299# Panama 2300# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2301Zone America/Panama -5:18:08 - LMT 1890 2302 -5:19:36 - CMT 1908 Apr 22 # Colon Mean Time 2303 -5:00 - EST 2304 2305# Puerto Rico 2306# There are too many San Juans elsewhere, so we'll use `Puerto_Rico'. 2307# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2308Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan 2309 -4:00 - AST 1942 May 3 |
| 2116 -4:00 1:00 AWT 1945 Sep 30 2:00 | 2310 -4:00 US A%sT 1946 |
| 2117 -4:00 - AST 2118 2119# St Kitts-Nevis 2120# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2121Zone America/St_Kitts -4:10:52 - LMT 1912 Mar 2 # Basseterre 2122 -4:00 - AST 2123 2124# St Lucia --- 12 unchanged lines hidden (view full) --- 2137 2138# St Vincent and the Grenadines 2139# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2140Zone America/St_Vincent -4:04:56 - LMT 1890 # Kingstown 2141 -4:04:56 - KMT 1912 # Kingstown Mean Time 2142 -4:00 - AST 2143 2144# Turks and Caicos | 2311 -4:00 - AST 2312 2313# St Kitts-Nevis 2314# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2315Zone America/St_Kitts -4:10:52 - LMT 1912 Mar 2 # Basseterre 2316 -4:00 - AST 2317 2318# St Lucia --- 12 unchanged lines hidden (view full) --- 2331 2332# St Vincent and the Grenadines 2333# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2334Zone America/St_Vincent -4:04:56 - LMT 1890 # Kingstown 2335 -4:04:56 - KMT 1912 # Kingstown Mean Time 2336 -4:00 - AST 2337 2338# Turks and Caicos |
| 2145# From Paul Eggert (1998-08-06): 2146# Shanks says they use US DST rules, but IATA SSIM (1991/1998) | 2339# From Paul Eggert (2006-03-22): 2340# Shanks & Pottenger say they use US DST rules, but IATA SSIM (1991/1998) |
| 2147# says they switch at midnight. Go with IATA SSIM. 2148# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2149Rule TC 1979 1986 - Apr lastSun 0:00 1:00 D 2150Rule TC 1979 max - Oct lastSun 0:00 0 S 2151Rule TC 1987 max - Apr Sun>=1 0:00 1:00 D 2152# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2153Zone America/Grand_Turk -4:44:32 - LMT 1890 2154 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 2155 -5:00 TC E%sT 2156 2157# British Virgin Is 2158# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2159Zone America/Tortola -4:18:28 - LMT 1911 Jul # Road Town 2160 -4:00 - AST 2161 2162# Virgin Is 2163# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2164Zone America/St_Thomas -4:19:44 - LMT 1911 Jul # Charlotte Amalie 2165 -4:00 - AST | 2341# says they switch at midnight. Go with IATA SSIM. 2342# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2343Rule TC 1979 1986 - Apr lastSun 0:00 1:00 D 2344Rule TC 1979 max - Oct lastSun 0:00 0 S 2345Rule TC 1987 max - Apr Sun>=1 0:00 1:00 D 2346# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2347Zone America/Grand_Turk -4:44:32 - LMT 1890 2348 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 2349 -5:00 TC E%sT 2350 2351# British Virgin Is 2352# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2353Zone America/Tortola -4:18:28 - LMT 1911 Jul # Road Town 2354 -4:00 - AST 2355 2356# Virgin Is 2357# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2358Zone America/St_Thomas -4:19:44 - LMT 1911 Jul # Charlotte Amalie 2359 -4:00 - AST |