| northamerica (75267) | northamerica (86222) |
|---|---|
| 1# @(#)northamerica 7.58 | 1# @(#)northamerica 7.60 |
| 2# also includes Central America and the Caribbean 3 | 2# also includes Central America and the Caribbean 3 |
| 4# $FreeBSD: head/share/zoneinfo/northamerica 75267 2001-04-06 16:46:52Z wollman $ | 4# $FreeBSD: head/share/zoneinfo/northamerica 86222 2001-11-09 19:17:59Z wollman $ |
| 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 10# From Paul Eggert <eggert@twinsun.com> (1999-03-22): 11# A reliable and entertaining source about time zones is 12# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). --- 65 unchanged lines hidden (view full) --- 78# <a href="http://rowayton.org/rhs/hstaug45.html">: 79# "When the time is announced over the radio now, it is 'Eastern Peace 80# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful." 81# </a> (August 1945) by way of confirmation. 82 83# From Joseph Gallant <notquite@hotmail.com>, citing 84# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987): 85# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set | 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 10# From Paul Eggert <eggert@twinsun.com> (1999-03-22): 11# A reliable and entertaining source about time zones is 12# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). --- 65 unchanged lines hidden (view full) --- 78# <a href="http://rowayton.org/rhs/hstaug45.html">: 79# "When the time is announced over the radio now, it is 'Eastern Peace 80# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful." 81# </a> (August 1945) by way of confirmation. 82 83# From Joseph Gallant <notquite@hotmail.com>, citing 84# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987): 85# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set |
| 86# to switch to London for Atlee's address, but the American people | 86# to switch to London for Attlee's address, but the American people |
| 87# never got to hear his speech live. According to one press account, 88# CBS' Bob Trout was first to announce the word of Japan's surrender, 89# but a few seconds later, NBC, ABC and Mutual also flashed the word 90# of surrender, all of whom interrupting the bells of Big Ben in | 87# never got to hear his speech live. According to one press account, 88# CBS' Bob Trout was first to announce the word of Japan's surrender, 89# but a few seconds later, NBC, ABC and Mutual also flashed the word 90# of surrender, all of whom interrupting the bells of Big Ben in |
| 91# London which were to precede Mr. Atlee's speech. | 91# London which were to precede Mr. Attlee's speech. |
| 92 93# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 94Rule US 1918 1919 - Mar lastSun 2:00 1:00 D 95Rule US 1918 1919 - Oct lastSun 2:00 0 S 96Rule US 1942 only - Feb 9 2:00 1:00 W # War 97Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace 98Rule US 1945 only - Sep 30 2:00 0 S 99Rule US 1967 max - Oct lastSun 2:00 0 S --- 82 unchanged lines hidden (view full) --- 182# Shanks uses 1983-10-30, not 1983-11-30, for the 1983 transitions. 183# Go with Shanks. 184# 185# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow: 186# Public law 106-564 (2000-12-23) introduced the abbreviation 187# "Chamorro Standard Time" for time in Guam and the Northern Marianas. 188# See the file "australasia". 189 | 92 93# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 94Rule US 1918 1919 - Mar lastSun 2:00 1:00 D 95Rule US 1918 1919 - Oct lastSun 2:00 0 S 96Rule US 1942 only - Feb 9 2:00 1:00 W # War 97Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace 98Rule US 1945 only - Sep 30 2:00 0 S 99Rule US 1967 max - Oct lastSun 2:00 0 S --- 82 unchanged lines hidden (view full) --- 182# Shanks uses 1983-10-30, not 1983-11-30, for the 1983 transitions. 183# Go with Shanks. 184# 185# From Paul Eggert (2000-01-08), following a heads-up from Rives McDow: 186# Public law 106-564 (2000-12-23) introduced the abbreviation 187# "Chamorro Standard Time" for time in Guam and the Northern Marianas. 188# See the file "australasia". 189 |
| 190# From Ryan Alessi of the Thousand Oaks Star (2001-02-15) via Rives McDow: 191# Brad Sherman, D-Sherman Oaks, introduced a bill in Congress on 192# Wednesday that could have California operating on Denver time as 193# early as this summer.... The options include keeping 194# daylight-saving time all year long, or setting clocks back two hours 195# -- instead of just one -- during the existing daylight-saving time. | 190# US eastern time, represented by New York |
| 196 | 191 |
| 197 198# US Eastern time, represented by New York 199 | |
| 200# Connecticut, Delaware, District of Columbia, most of Florida, 201# Georgia, far southeastern Indiana, eastern Kentucky, Maine, 202# Maryland, Massachusetts, New Hampshire, New Jersey, New York, North 203# Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, eastern 204# Tennessee, Vermont, Virginia, West Virginia 205 206# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 207Rule NYC 1920 only - Mar lastSun 2:00 1:00 D --- 4 unchanged lines hidden (view full) --- 212# Zone NAME GMTOFF RULES FORMAT [UNTIL] 213Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:00 214 -5:00 US E%sT 1920 215 -5:00 NYC E%sT 1942 216 -5:00 US E%sT 1946 217 -5:00 NYC E%sT 1967 218 -5:00 US E%sT 219 | 192# Connecticut, Delaware, District of Columbia, most of Florida, 193# Georgia, far southeastern Indiana, eastern Kentucky, Maine, 194# Maryland, Massachusetts, New Hampshire, New Jersey, New York, North 195# Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, eastern 196# Tennessee, Vermont, Virginia, West Virginia 197 198# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 199Rule NYC 1920 only - Mar lastSun 2:00 1:00 D --- 4 unchanged lines hidden (view full) --- 204# Zone NAME GMTOFF RULES FORMAT [UNTIL] 205Zone America/New_York -4:56:02 - LMT 1883 Nov 18 12:00 206 -5:00 US E%sT 1920 207 -5:00 NYC E%sT 1942 208 -5:00 US E%sT 1946 209 -5:00 NYC E%sT 1967 210 -5:00 US E%sT 211 |
| 220# US Central time, represented by Chicago | 212# US central time, represented by Chicago |
| 221 222# Alabama, Arkansas, Florida panhandle, Illinois, western Indiana 223# corners, Iowa, most of Kansas, western Kentucky, Louisiana, 224# Minnesota, Mississippi, Missouri, eastern Nebraska, eastern North 225# Dakota, Oklahoma, eastern South Dakota, western Tennessee, most of 226# Texas, Wisconsin 227 228# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 7 unchanged lines hidden (view full) --- 236Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:00 237 -6:00 US C%sT 1920 238 -6:00 Chicago C%sT 1936 Mar 1 2:00 239 -5:00 - EST 1936 Nov 15 2:00 240 -6:00 Chicago C%sT 1942 241 -6:00 US C%sT 1946 242 -6:00 Chicago C%sT 1967 243 -6:00 US C%sT | 213 214# Alabama, Arkansas, Florida panhandle, Illinois, western Indiana 215# corners, Iowa, most of Kansas, western Kentucky, Louisiana, 216# Minnesota, Mississippi, Missouri, eastern Nebraska, eastern North 217# Dakota, Oklahoma, eastern South Dakota, western Tennessee, most of 218# Texas, Wisconsin 219 220# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER --- 7 unchanged lines hidden (view full) --- 228Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:00 229 -6:00 US C%sT 1920 230 -6:00 Chicago C%sT 1936 Mar 1 2:00 231 -5:00 - EST 1936 Nov 15 2:00 232 -6:00 Chicago C%sT 1942 233 -6:00 US C%sT 1946 234 -6:00 Chicago C%sT 1967 235 -6:00 US C%sT |
| 236# Oliver County, ND switched from mountain to central time on 1992-10-25. 237Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:00 238 -7:00 US M%sT 1992 Oct 25 02:00 239 -6:00 US C%sT |
|
| 244 | 240 |
| 245# US Mountain time, represented by Denver | 241# US mountain time, represented by Denver |
| 246# 247# Colorado, southern Idaho, far western Kansas, Montana, western | 242# 243# Colorado, southern Idaho, far western Kansas, Montana, western |
| 248# Nebraska, New Mexico, southwestern North Dakota, far eastern Oregon, | 244# Nebraska, Nevada border (Jackpot, Owyhee, and Mountain City), 245# New Mexico, southwestern North Dakota, far eastern Oregon, |
| 249# western South Dakota, far western Texas (El Paso County, Hudspeth County, 250# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming 251# 252# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 253Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D 254Rule Denver 1920 only - Oct lastSun 2:00 0 S 255Rule Denver 1921 only - May 22 2:00 0 S 256Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D 257Rule Denver 1965 1966 - Oct lastSun 2:00 0 S 258# Zone NAME GMTOFF RULES FORMAT [UNTIL] 259Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00 260 -7:00 US M%sT 1920 261 -7:00 Denver M%sT 1942 262 -7:00 US M%sT 1946 263 -7:00 Denver M%sT 1967 264 -7:00 US M%sT 265 266# US Pacific time, represented by Los Angeles 267# | 246# western South Dakota, far western Texas (El Paso County, Hudspeth County, 247# and Pine Springs and Nickel Creek in Culberson County), Utah, Wyoming 248# 249# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 250Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D 251Rule Denver 1920 only - Oct lastSun 2:00 0 S 252Rule Denver 1921 only - May 22 2:00 0 S 253Rule Denver 1965 1966 - Apr lastSun 2:00 1:00 D 254Rule Denver 1965 1966 - Oct lastSun 2:00 0 S 255# Zone NAME GMTOFF RULES FORMAT [UNTIL] 256Zone America/Denver -6:59:56 - LMT 1883 Nov 18 12:00 257 -7:00 US M%sT 1920 258 -7:00 Denver M%sT 1942 259 -7:00 US M%sT 1946 260 -7:00 Denver M%sT 1967 261 -7:00 US M%sT 262 263# US Pacific time, represented by Los Angeles 264# |
| 268# California, northern Idaho, Nevada, most of Oregon, and Washington | 265# California, northern Idaho, most of Nevada, most of Oregon, and Washington |
| 269# 270# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 271Rule CA 1948 only - Mar 14 2:00 1:00 D 272Rule CA 1949 only - Jan 1 2:00 0 S 273Rule CA 1950 1966 - Apr lastSun 2:00 1:00 D 274Rule CA 1950 1961 - Sep lastSun 2:00 0 S 275Rule CA 1962 1966 - Oct lastSun 2:00 0 S 276# Zone NAME GMTOFF RULES FORMAT [UNTIL] 277Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:00 278 -8:00 US P%sT 1946 279 -8:00 CA P%sT 1967 280 -8:00 US P%sT 281 282# Alaska 283# AK%sT is the modern abbreviation for -9:00 per USNO. 284# | 266# 267# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 268Rule CA 1948 only - Mar 14 2:00 1:00 D 269Rule CA 1949 only - Jan 1 2:00 0 S 270Rule CA 1950 1966 - Apr lastSun 2:00 1:00 D 271Rule CA 1950 1961 - Sep lastSun 2:00 0 S 272Rule CA 1962 1966 - Oct lastSun 2:00 0 S 273# Zone NAME GMTOFF RULES FORMAT [UNTIL] 274Zone America/Los_Angeles -7:52:58 - LMT 1883 Nov 18 12:00 275 -8:00 US P%sT 1946 276 -8:00 CA P%sT 1967 277 -8:00 US P%sT 278 279# Alaska 280# AK%sT is the modern abbreviation for -9:00 per USNO. 281# |
| 285# From Paul Eggert (2001-04-01): | 282# From Paul Eggert (2001-05-30): |
| 286# Howse writes that Alaska switched from the Julian to the Gregorian calendar, 287# and from east-of-GMT to west-of-GMT days, when the US bought it from Russia. 288# This was on 1867-10-18, a Friday; the previous day was 1867-10-06 Julian, 289# also a Friday. Include only the time zone part of this transition, 290# ignoring the switch from Julian to Gregorian, since we can't represent 291# the Julian calendar. 292# | 283# Howse writes that Alaska switched from the Julian to the Gregorian calendar, 284# and from east-of-GMT to west-of-GMT days, when the US bought it from Russia. 285# This was on 1867-10-18, a Friday; the previous day was 1867-10-06 Julian, 286# also a Friday. Include only the time zone part of this transition, 287# ignoring the switch from Julian to Gregorian, since we can't represent 288# the Julian calendar. 289# |
| 290# As far as we know, none of the exact locations mentioned below were 291# permanently inhabited in 1867 by anyone using either calendar. 292# (Yakutat was colonized by the Russians in 1799, but the settlement 293# was destroyed in 1805 by a Yakutat-kon war party.) However, there 294# were nearby inhabitants in some cases and for our purposes perhaps 295# it's best to simply use the official transition. 296# |
|
| 293# Zone NAME GMTOFF RULES FORMAT [UNTIL] 294Zone America/Juneau 15:02:19 - LMT 1867 Oct 18 295 -8:57:41 - LMT 1900 Aug 20 12:00 296 -8:00 - PST 1942 297 -8:00 US P%sT 1946 298 -8:00 - PST 1969 299 -8:00 US P%sT 1983 Oct 30 2:00 300 -9:00 US AK%sT --- 103 unchanged lines hidden (view full) --- 404# So we reluctantly put them all in a subdirectory `America/Indiana'. 405# 406# Most of EST-only Indiana last observed DST in 1970. 407 408# From Paul Eggert (2001-03-06), following a tip by Markus Kuhn: 409# Pam Belluck reported in the New York Times (2001-01-31) that the 410# Indiana Legislature is considering a bill to adopt DST statewide. 411# Her article mentioned Vevay, whose post office observes a different | 297# Zone NAME GMTOFF RULES FORMAT [UNTIL] 298Zone America/Juneau 15:02:19 - LMT 1867 Oct 18 299 -8:57:41 - LMT 1900 Aug 20 12:00 300 -8:00 - PST 1942 301 -8:00 US P%sT 1946 302 -8:00 - PST 1969 303 -8:00 US P%sT 1983 Oct 30 2:00 304 -9:00 US AK%sT --- 103 unchanged lines hidden (view full) --- 408# So we reluctantly put them all in a subdirectory `America/Indiana'. 409# 410# Most of EST-only Indiana last observed DST in 1970. 411 412# From Paul Eggert (2001-03-06), following a tip by Markus Kuhn: 413# Pam Belluck reported in the New York Times (2001-01-31) that the 414# Indiana Legislature is considering a bill to adopt DST statewide. 415# Her article mentioned Vevay, whose post office observes a different |
| 412# time zone than Danner's Hardware across the street. | 416# time zone from Danner's Hardware across the street. |
| 413 414# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 415Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 416Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 417Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 418# Zone NAME GMTOFF RULES FORMAT [UNTIL] 419Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:00 420 -6:00 US C%sT 1920 --- 87 unchanged lines hidden (view full) --- 508# The three Lake Cumberland counties are the farthest east of any U.S. 509# location in the Central time zone. 510# 511# From Rich Wales (2000-08-29): 512# After prolonged debate, and despite continuing deep differences of opinion, 513# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern 514# (-0500) time. They won't "fall back" this year. See Sara Shipley, 515# The difference an hour makes, Nando Times (2000-08-29 15:33 -0400). | 417 418# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER 419Rule Indianapolis 1941 only - Jun 22 2:00 1:00 D 420Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S 421Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D 422# Zone NAME GMTOFF RULES FORMAT [UNTIL] 423Zone America/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:00 424 -6:00 US C%sT 1920 --- 87 unchanged lines hidden (view full) --- 512# The three Lake Cumberland counties are the farthest east of any U.S. 513# location in the Central time zone. 514# 515# From Rich Wales (2000-08-29): 516# After prolonged debate, and despite continuing deep differences of opinion, 517# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern 518# (-0500) time. They won't "fall back" this year. See Sara Shipley, 519# The difference an hour makes, Nando Times (2000-08-29 15:33 -0400). |
| 520# 521# From Paul Eggert (2001-07-16): 522# The final rule was published in the 523# <a href="http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2000_register&docid=fr17au00-22"> 524# Federal Register 65, 160 (2000-08-17), page 50154-50158. 525# </a> 526# |
|
| 516Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:00 517 -6:00 US C%sT 1946 518 -6:00 - CST 1968 519 -6:00 US C%sT 2000 Oct 29 2:00 520 -5:00 US E%sT 521 522 523# From Rives McDow (2000-08-30): 524# Here ... are all the changes in the US since 1985. 525# Kearny County, KS (put all of county on central; 526# previously split between MST and CST) ... 1990-10 527# Starke County, IN (from CST to EST) ... 1991-10 528# Oliver County, ND (from MST to CST) ... 1992-10 529# West Wendover, NV (from PST TO MST) ... 1999-10 530# Wayne County, KY (from CST to EST) ... 2000-10 | 527Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:00 528 -6:00 US C%sT 1946 529 -6:00 - CST 1968 530 -6:00 US C%sT 2000 Oct 29 2:00 531 -5:00 US E%sT 532 533 534# From Rives McDow (2000-08-30): 535# Here ... are all the changes in the US since 1985. 536# Kearny County, KS (put all of county on central; 537# previously split between MST and CST) ... 1990-10 538# Starke County, IN (from CST to EST) ... 1991-10 539# Oliver County, ND (from MST to CST) ... 1992-10 540# West Wendover, NV (from PST TO MST) ... 1999-10 541# Wayne County, KY (from CST to EST) ... 2000-10 |
| 531# There is another change in the offing; Mercer County, ND is looking 532# to change from MT to CT. It is possible that two other ND counties 533# (Sioux and Morton) will look to change also. If made, the earliest 534# a change would be effective is October 2001. | |
| 535# | 542# |
| 536# From Paul Eggert (2000-10-02): 537# FIXME: I haven't yet had time to incorporate all the above changes. | 543# From Paul Eggert (2001-07-17): 544# We don't know where the line used to be within Kearny County, KS, 545# so omit that change for now. 546# See America/Indiana/Knox for the Starke County, IN change. 547# See America/North_Dakota/Center for the Oliver County, ND change. 548# West Wendover, NV officially switched from Pacific to mountain time on 549# 1999-10-31. See the 550# <a href="http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=fr21oc99-15"> 551# Federal Register 64, 203 (1999-10-21), page 56705-56707. 552# </a> 553# However, the Federal Register says that West Wendover already operated 554# on mountain time, and the rule merely made this official; 555# hence a separate tz entry is not needed. |
| 538 539# Michigan 540# 541# From Bob Devine (1988-01-28): 542# Michigan didn't observe DST from 1968 to 1973. 543# 544# From Paul Eggert (1999-03-31): 545# Shanks writes that Michigan started using standard time on 1885-09-18, --- 40 unchanged lines hidden (view full) --- 586# Zone NAME GMTOFF RULES FORMAT [UNTIL] 587Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 588 -6:00 US C%sT 1946 589 -6:00 Menominee C%sT 1969 Apr 27 2:00 590 -5:00 - EST 1973 Apr 29 2:00 591 -6:00 US C%sT 592 593# Navassa | 556 557# Michigan 558# 559# From Bob Devine (1988-01-28): 560# Michigan didn't observe DST from 1968 to 1973. 561# 562# From Paul Eggert (1999-03-31): 563# Shanks writes that Michigan started using standard time on 1885-09-18, --- 40 unchanged lines hidden (view full) --- 604# Zone NAME GMTOFF RULES FORMAT [UNTIL] 605Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00 606 -6:00 US C%sT 1946 607 -6:00 Menominee C%sT 1969 Apr 27 2:00 608 -5:00 - EST 1973 Apr 29 2:00 609 -6:00 US C%sT 610 611# Navassa |
| 612# administered by the US Fish and Wildlife Service |
|
| 594# claimed by US under the provisions of the 1856 Guano Islands Act 595# also claimed by Haiti 596# occupied 1857/1900 by the Navassa Phosphate Co | 613# claimed by US under the provisions of the 1856 Guano Islands Act 614# also claimed by Haiti 615# occupied 1857/1900 by the Navassa Phosphate Co |
| 597# US lighthouse 1917/1997-01 | 616# US lighthouse 1917/1996-09 |
| 598# currently uninhabited 599# see Mark Fineman, ``An Isle Rich in Guano and Discord'', 600# _Los Angeles Times_ (1998-11-10), A1, A10; it cites 601# Jimmy Skaggs, _The Great Guano Rush_ (1994). 602 603# Old names, for S5 users 604 605# Link LINK-FROM LINK-TO --- 8 unchanged lines hidden (view full) --- 614################################################################################ 615 616 617# From Paul Eggert <eggert@twinsun.com> (1999-10-29): 618# A good source for time zone historical data outside the US is 619# Thomas G. Shanks, The International Atlas (5th edition), 620# San Diego: ACS Publications, Inc. (1999). 621# | 617# currently uninhabited 618# see Mark Fineman, ``An Isle Rich in Guano and Discord'', 619# _Los Angeles Times_ (1998-11-10), A1, A10; it cites 620# Jimmy Skaggs, _The Great Guano Rush_ (1994). 621 622# Old names, for S5 users 623 624# Link LINK-FROM LINK-TO --- 8 unchanged lines hidden (view full) --- 633################################################################################ 634 635 636# From Paul Eggert <eggert@twinsun.com> (1999-10-29): 637# A good source for time zone historical data outside the US is 638# Thomas G. Shanks, The International Atlas (5th edition), 639# San Diego: ACS Publications, Inc. (1999). 640# |
| 622# Gwillim Law <Gwil_Law@bridge-point.com> writes that a good source | 641# Gwillim Law writes that a good source |
| 623# for recent time zone data is the International Air Transport 624# Association's Standard Schedules Information Manual (IATA SSIM), 625# published semiannually. Law sent in several helpful summaries 626# of the IATA's data after 1990. 627# 628# Except where otherwise noted, Shanks is the source for entries through 1990, 629# and IATA SSIM is the source for entries after 1990. 630# --- 442 unchanged lines hidden (view full) --- 1073# 1074# From Antoine Leca (1999-09-06): 1075# We then need to create a new timezone for the Kitikmeot region of Nunavut 1076# to differentiate it from the Yellowknife region. 1077 1078# From Paul Eggert (1999-09-20): 1079# <a href="http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html"> 1080# Basic Facts: The New Territory | 642# for recent time zone data is the International Air Transport 643# Association's Standard Schedules Information Manual (IATA SSIM), 644# published semiannually. Law sent in several helpful summaries 645# of the IATA's data after 1990. 646# 647# Except where otherwise noted, Shanks is the source for entries through 1990, 648# and IATA SSIM is the source for entries after 1990. 649# --- 442 unchanged lines hidden (view full) --- 1092# 1093# From Antoine Leca (1999-09-06): 1094# We then need to create a new timezone for the Kitikmeot region of Nunavut 1095# to differentiate it from the Yellowknife region. 1096 1097# From Paul Eggert (1999-09-20): 1098# <a href="http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html"> 1099# Basic Facts: The New Territory |
| 1081# </a> (1999) reports that Pangnirtung operates on Eastern time, | 1100# </a> (1999) reports that Pangnirtung operates on eastern time, |
| 1082# and that Coral Harbour does not observe DST. We don't know when | 1101# and that Coral Harbour does not observe DST. We don't know when |
| 1083# Pangnirtung switched to Eastern time; we'll guess 1995. | 1102# Pangnirtung switched to eastern time; we'll guess 1995. |
| 1084# We'll ignore the claim about Coral Harbour for now, 1085# since we have no further info. 1086 1087# From Rives McDow (1999-11-08): 1088# On October 31, when the rest of Nunavut went to Central time, 1089# Pangnirtung wobbled. Here is the result of their wobble: 1090# 1091# The following businesses and organizations in Pangnirtung use Central Time: --- 238 unchanged lines hidden (view full) --- 1330# saving. The modification reverts this to only cover Baja California 1331# (Norte), while all other states (except Sonora, who has no daylight 1332# saving all year) will follow the original decree of president 1333# Vicente Fox, starting daylight saving May 6, 2001 and ending 1334# September 30, 2001. 1335# References: "Diario de Monterrey" <www.diariodemonterrey.com/index.asp> 1336# Palabra <http://palabra.infosel.com/010331/primera/ppri3101.pdf> (2001-03-31) 1337 | 1103# We'll ignore the claim about Coral Harbour for now, 1104# since we have no further info. 1105 1106# From Rives McDow (1999-11-08): 1107# On October 31, when the rest of Nunavut went to Central time, 1108# Pangnirtung wobbled. Here is the result of their wobble: 1109# 1110# The following businesses and organizations in Pangnirtung use Central Time: --- 238 unchanged lines hidden (view full) --- 1349# saving. The modification reverts this to only cover Baja California 1350# (Norte), while all other states (except Sonora, who has no daylight 1351# saving all year) will follow the original decree of president 1352# Vicente Fox, starting daylight saving May 6, 2001 and ending 1353# September 30, 2001. 1354# References: "Diario de Monterrey" <www.diariodemonterrey.com/index.asp> 1355# Palabra <http://palabra.infosel.com/010331/primera/ppri3101.pdf> (2001-03-31) 1356 |
| 1357# From Reuters (2001-09-04): 1358# Mexico's Supreme Court on Tuesday declared that daylight savings was 1359# unconstitutional in Mexico City, creating the possibility the 1360# capital will be in a different time zone from the rest of the nation 1361# next year.... The Supreme Court's ruling takes effect at 2:00 1362# a.m. (0800 GMT) on Sept. 30, when Mexico is scheduled to revert to 1363# standard time. "This is so residents of the Federal District are not 1364# subject to unexpected time changes," a statement from the court said. 1365 |
|
| 1338# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1339Rule Mexico 1939 only - Feb 5 0:00 1:00 D 1340Rule Mexico 1939 only - Jun 25 0:00 0 S 1341Rule Mexico 1940 only - Dec 9 0:00 1:00 D 1342Rule Mexico 1941 only - Apr 1 0:00 0 S 1343Rule Mexico 1943 only - Dec 16 0:00 1:00 W 1344Rule Mexico 1944 only - May 1 0:00 0 S 1345Rule Mexico 1950 only - Feb 12 0:00 1:00 D --- 20 unchanged lines hidden (view full) --- 1366 -6:00 Mexico C%sT 1367# Central Mexico 1368Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 1369 -7:00 - MST 1927 Jun 10 23:00 1370 -6:00 - CST 1930 Nov 15 1371 -7:00 - MST 1931 May 1 23:00 1372 -6:00 - CST 1931 Oct 1373 -7:00 - MST 1932 Apr 1 | 1366# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1367Rule Mexico 1939 only - Feb 5 0:00 1:00 D 1368Rule Mexico 1939 only - Jun 25 0:00 0 S 1369Rule Mexico 1940 only - Dec 9 0:00 1:00 D 1370Rule Mexico 1941 only - Apr 1 0:00 0 S 1371Rule Mexico 1943 only - Dec 16 0:00 1:00 W 1372Rule Mexico 1944 only - May 1 0:00 0 S 1373Rule Mexico 1950 only - Feb 12 0:00 1:00 D --- 20 unchanged lines hidden (view full) --- 1394 -6:00 Mexico C%sT 1395# Central Mexico 1396Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24 1397 -7:00 - MST 1927 Jun 10 23:00 1398 -6:00 - CST 1930 Nov 15 1399 -7:00 - MST 1931 May 1 23:00 1400 -6:00 - CST 1931 Oct 1401 -7:00 - MST 1932 Apr 1 |
| 1374 -6:00 Mexico C%sT | 1402 -6:00 Mexico C%sT 2001 Sep 30 02:00 1403 -6:00 - CST |
| 1375# Chihuahua 1376Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40 1377 -7:00 - MST 1927 Jun 10 23:00 1378 -6:00 - CST 1930 Nov 15 1379 -7:00 - MST 1931 May 1 23:00 1380 -6:00 - CST 1931 Oct 1381 -7:00 - MST 1932 Apr 1 1382 -6:00 - CST 1996 --- 284 unchanged lines hidden (view full) --- 1667 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 1668 -5:00 - EST 1974 Apr 28 2:00 1669 -5:00 US E%sT 1984 1670 -5:00 - EST 1671 1672# Martinique 1673# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1674Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France | 1404# Chihuahua 1405Zone America/Chihuahua -7:04:20 - LMT 1921 Dec 31 23:55:40 1406 -7:00 - MST 1927 Jun 10 23:00 1407 -6:00 - CST 1930 Nov 15 1408 -7:00 - MST 1931 May 1 23:00 1409 -6:00 - CST 1931 Oct 1410 -7:00 - MST 1932 Apr 1 1411 -6:00 - CST 1996 --- 284 unchanged lines hidden (view full) --- 1696 -5:07:12 - KMT 1912 Feb # Kingston Mean Time 1697 -5:00 - EST 1974 Apr 28 2:00 1698 -5:00 US E%sT 1984 1699 -5:00 - EST 1700 1701# Martinique 1702# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1703Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France |
| 1675 -4:04 - FFMT 1911 May # Fort-de-France MT | 1704 -4:04:20 - FFMT 1911 May # Fort-de-France MT |
| 1676 -4:00 - AST 1980 Apr 6 1677 -4:00 1:00 ADT 1980 Sep 28 1678 -4:00 - AST 1679 1680# Montserrat 1681# From Paul Eggert (1997-08-31): 1682# Recent volcanic eruptions have forced evacuation of Plymouth, the capital. 1683# Luckily, Olveston, the current de facto capital, has the same longitude. --- 9 unchanged lines hidden (view full) --- 1693# 1694# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1695Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D 1696Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S 1697Rule Nic 1992 only - Jan 1 4:00 1:00 D 1698Rule Nic 1992 only - Sep 24 0:00 0 S 1699# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1700Zone America/Managua -5:45:08 - LMT 1890 | 1705 -4:00 - AST 1980 Apr 6 1706 -4:00 1:00 ADT 1980 Sep 28 1707 -4:00 - AST 1708 1709# Montserrat 1710# From Paul Eggert (1997-08-31): 1711# Recent volcanic eruptions have forced evacuation of Plymouth, the capital. 1712# Luckily, Olveston, the current de facto capital, has the same longitude. --- 9 unchanged lines hidden (view full) --- 1722# 1723# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1724Rule Nic 1979 1980 - Mar Sun>=16 0:00 1:00 D 1725Rule Nic 1979 1980 - Jun Mon>=23 0:00 0 S 1726Rule Nic 1992 only - Jan 1 4:00 1:00 D 1727Rule Nic 1992 only - Sep 24 0:00 0 S 1728# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1729Zone America/Managua -5:45:08 - LMT 1890 |
| 1701 -5:45 - MMT 1934 Jun 23 # Managua Mean Time | 1730 -5:45:12 - MMT 1934 Jun 23 # Managua Mean Time? |
| 1702 -6:00 - CST 1973 May 1703 -5:00 - EST 1975 Feb 16 1704 -6:00 Nic C%sT 1993 Jan 1 4:00 1705 -5:00 - EST 1998 Dec 1706 -6:00 - CST 1707 1708# Panama 1709# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1710Zone America/Panama -5:18:08 - LMT 1890 | 1731 -6:00 - CST 1973 May 1732 -5:00 - EST 1975 Feb 16 1733 -6:00 Nic C%sT 1993 Jan 1 4:00 1734 -5:00 - EST 1998 Dec 1735 -6:00 - CST 1736 1737# Panama 1738# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1739Zone America/Panama -5:18:08 - LMT 1890 |
| 1711 -5:20 - PMT 1908 Apr 22 # Panama Mean Time | 1740 -5:19:36 - CMT 1908 Apr 22 # Colon Mean Time |
| 1712 -5:00 - EST 1713 1714# Puerto Rico 1715# There are too many San Juans elsewhere, so we'll use `Puerto_Rico'. 1716# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1717Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan 1718 -4:00 - AST 1942 May 3 1719 -4:00 1:00 AWT 1945 Sep 30 2:00 1720 -4:00 - AST 1721 1722# St Kitts-Nevis 1723# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1724Zone America/St_Kitts -4:10:52 - LMT 1912 Mar 2 # Basseterre 1725 -4:00 - AST 1726 1727# St Lucia 1728# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1729Zone America/St_Lucia -4:04:00 - LMT 1890 # Castries | 1741 -5:00 - EST 1742 1743# Puerto Rico 1744# There are too many San Juans elsewhere, so we'll use `Puerto_Rico'. 1745# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1746Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan 1747 -4:00 - AST 1942 May 3 1748 -4:00 1:00 AWT 1945 Sep 30 2:00 1749 -4:00 - AST 1750 1751# St Kitts-Nevis 1752# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1753Zone America/St_Kitts -4:10:52 - LMT 1912 Mar 2 # Basseterre 1754 -4:00 - AST 1755 1756# St Lucia 1757# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1758Zone America/St_Lucia -4:04:00 - LMT 1890 # Castries |
| 1730 -4:04 - CMT 1912 # Castries Mean Time | 1759 -4:04:00 - CMT 1912 # Castries Mean Time |
| 1731 -4:00 - AST 1732 1733# St Pierre and Miquelon 1734# There are too many St Pierres elsewhere, so we'll use `Miquelon'. 1735# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1736Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre 1737 -4:00 - AST 1980 May 1738 -3:00 Mont PM%sT # Pierre & Miquelon Time --- 29 unchanged lines hidden --- | 1760 -4:00 - AST 1761 1762# St Pierre and Miquelon 1763# There are too many St Pierres elsewhere, so we'll use `Miquelon'. 1764# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1765Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre 1766 -4:00 - AST 1980 May 1767 -3:00 Mont PM%sT # Pierre & Miquelon Time --- 29 unchanged lines hidden --- |