1# Zones that go back beyond the scope of the tz database 2 3# This file is in the public domain. 4 5# This file is by no means authoritative; if you think you know 6# better, go ahead and edit it (and please send any changes to 7# tz@iana.org for general use in the future). For more, please see 8# the file CONTRIBUTING in the tz distribution. 9 10 11# From Paul Eggert (2014-10-31): 12 13# This file contains data outside the normal scope of the tz database, 14# in that its zones do not differ from normal tz zones after 1970. 15# Links in this file point to zones in this file, superseding links in 16# the file 'backward'. 17 18# Although zones in this file may be of some use for analyzing 19# pre-1970 timestamps, they are less reliable, cover only a tiny 20# sliver of the pre-1970 era, and cannot feasibly be improved to cover 21# most of the era. Because the zones are out of normal scope for the 22# database, less effort is put into maintaining this file. Many of 23# the zones were formerly in other source files, but were removed or 24# replaced by links as their data entries were questionable and/or they 25# differed from other zones only in pre-1970 timestamps. 26 27# Unless otherwise specified, the source for data through 1990 is: 28# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 29# San Diego: ACS Publications, Inc. (2003). 30# Unfortunately this book contains many errors and cites no sources. 31 32# This file is not intended to be compiled standalone, as it 33# assumes rules from other files. In the tz distribution, use 34# 'make PACKRATDATA=backzone zones' to compile and install this file. 35 36 37# From Paul Eggert (2020-04-15): 38# The following remarks should be incorporated into this table sometime. 39# Patches in 'git format-patch' format would be welcome. 40# 41# From Phake Nick (2020-04-15): 42# ... the historical timezone data for those China zones seems to be 43# incorrect. The transition to GMT+8 date given there for these zones 44# were 1980 which also contradict the file description that they do 45# not disagree with normal zone after 1970. According to sources that 46# have also been cited in the asia file, except Xinjiang and Tibet, 47# they should have adopted the Beijing Time from around 1949/1950 48# depends on exactly when each of those cities were taken over by the 49# communist army. And they should also follow the DST setting of 50# Asia/Shanghai after that point of time. In addition, 51# http://gaz.ncl.edu.tw/detail.jsp?sysid=E1091792 the document from 52# Chongqing Nationalist government say in year 1945 all of China 53# should adopt summer time due to the war (not sure whether it 54# continued after WWII ends)(Probably only enforced in area under 55# their rule at the time?) The Asia/Harbin's 1932 and 1940 entry 56# should also be incorrect. As per sources recorded at 57# https://wiki.suikawiki.org/n/%E6%BA%80%E5%B7%9E%E5%9B%BD%E3%81%AE%E6%A8%99%E6%BA%96%E6%99%82 58# , in 1932 Harbin should have adopted UTC+8:00 instead of data 59# currently listed in the tz database according to official 60# announcement from Manchuko. And they should have adopted GMT+9 in 61# 1937 January 1st according to official announcement at the time 62# being cited on the webpage. 63 64 65# Zones are sorted by zone name. Each zone is preceded by the 66# name of the country that the zone is in, along with any other 67# commentary and rules associated with the entry. 68# 69# As explained in the zic man page, the zone columns are: 70# Zone NAME STDOFF RULES FORMAT [UNTIL] 71# and the rule columns are: 72# Rule NAME FROM TO - IN ON AT SAVE LETTER/S 73 74 75# Ghana 76 77# From P Chan (2020-11-20): 78# Interpretation Amendment Ordinance, 1915 (No.24 of 1915) [1915-11-02] 79# Ordinances of the Gold Coast, Ashanti, Northern Territories 1915, p 69-71 80# https://books.google.com/books?id=ErA-AQAAIAAJ&pg=PA70 81# This Ordinance added "'Time' shall mean Greenwich Mean Time" to the 82# Interpretation Ordinance, 1876. 83# 84# Determination of the Time Ordinance, 1919 (No. 18 of 1919) [1919-11-24] 85# Ordinances of the Gold Coast, Ashanti, Northern Territories 1919, p 75-76 86# https://books.google.com/books?id=MbA-AQAAIAAJ&pg=PA75 87# This Ordinance removed the previous definition of time and introduced DST. 88# 89# Time Determination Ordinance (Cap. 214) 90# The Laws of the Gold Coast (including Togoland Under British Mandate) 91# Vol. II (1937), p 2328 92# https://books.google.com/books?id=Z7M-AQAAIAAJ&pg=PA2328 93# Revised edition of the 1919 Ordinance. 94# 95# Time Determination (Amendment) Ordinance, 1940 (No. 9 of 1940) [1940-04-06] 96# Annual Volume of the Laws of the Gold Coast: 97# Containing All Legislation Enacted During Year 1940, p 22 98# https://books.google.com/books?id=1ao-AQAAIAAJ&pg=PA22 99# This Ordinance changed the forward transition from September to May. 100# 101# Defence (Time Determination Ordinance Amendment) Regulations, 1942 102# (Regulations No. 6 of 1942) [1942-01-31, commenced on 1942-02-08] 103# Annual Volume of the Laws of the Gold Coast: 104# Containing All Legislation Enacted During Year 1942, p 48 105# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA48 106# These regulations advanced the [standard] time by thirty minutes. 107# 108# Defence (Time Determination Ordinance Amendment (No.2)) Regulations, 109# 1942 (Regulations No. 28 of 1942) [1942-04-25] 110# Annual Volume of the Laws of the Gold Coast: 111# Containing All Legislation Enacted During Year 1942, p 87 112# https://books.google.com/books?id=Das-AQAAIAAJ&pg=PA87 113# These regulations abolished DST and changed the time to GMT+0:30. 114# 115# Defence (Revocation) (No.4) Regulations, 1945 (Regulations No. 45 of 116# 1945) [1945-10-24, commenced on 1946-01-06] 117# Annual Volume of the Laws of the Gold Coast: 118# Containing All Legislation Enacted During Year 1945, p 256 119# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA256 120# These regulations revoked the previous two sets of Regulations. 121# 122# Time Determination (Amendment) Ordinance, 1945 (No. 18 of 1945) [1946-01-06] 123# Annual Volume of the Laws of the Gold Coast: 124# Containing All Legislation Enacted During Year 1945, p 69 125# https://books.google.com/books?id=9as-AQAAIAAJ&pg=PA69 126# This Ordinance abolished DST. 127# 128# Time Determination (Amendment) Ordinance, 1950 (No. 26 of 1950) [1950-07-22] 129# Annual Volume of the Laws of the Gold Coast: 130# Containing All Legislation Enacted During Year 1950, p 35 131# https://books.google.com/books?id=e60-AQAAIAAJ&pg=PA35 132# This Ordinance restored DST but with thirty minutes offset. 133# 134# Time Determination Ordinance (Cap. 264) 135# The Laws of the Gold Coast, Vol. V (1954), p 380 136# https://books.google.com/books?id=Mqc-AQAAIAAJ&pg=PA380 137# Revised edition of the Time Determination Ordinance. 138# 139# Time Determination (Amendment) Ordinance, 1956 (No. 21 of 1956) [1956-08-29] 140# Annual Volume of the Ordinances of the Gold Coast Enacted During the 141# Year 1956, p 83 142# https://books.google.com/books?id=VLE-AQAAIAAJ&pg=PA83 143# This Ordinance abolished DST. 144 145Rule Ghana 1919 only - Nov 24 0:00 0:20 +0020 146Rule Ghana 1920 1942 - Jan 1 2:00 0 GMT 147Rule Ghana 1920 1939 - Sep 1 2:00 0:20 +0020 148Rule Ghana 1940 1941 - May 1 2:00 0:20 +0020 149Rule Ghana 1950 1955 - Sep 1 2:00 0:30 +0030 150Rule Ghana 1951 1956 - Jan 1 2:00 0 GMT 151 152Zone Africa/Accra -0:00:52 - LMT 1915 Nov 2 153 0:00 Ghana %s 1942 Feb 8 154 0:30 - +0030 1946 Jan 6 155 0:00 Ghana %s 156 157# Ethiopia 158# From Paul Eggert (2014-07-31): 159# Like the Swahili of Kenya and Tanzania, many Ethiopians keep a 160# 12-hour clock starting at our 06:00, so their "8 o'clock" is our 161# 02:00 or 14:00. Keep this in mind when you ask the time in Amharic. 162# 163# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time 164# zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in 165# 1890, and that they switched to 3:00 on 1936-05-05. Perhaps 38E50 166# was for Adis Dera. Quite likely the Shanks data entries are wrong 167# anyway. 168Zone Africa/Addis_Ababa 2:34:48 - LMT 1870 169 2:35:20 - ADMT 1936 May 5 # Adis Dera MT 170 3:00 - EAT 171 172# Eritrea 173Zone Africa/Asmara 2:35:32 - LMT 1870 174 2:35:32 - AMT 1890 # Asmara Mean Time 175 2:35:20 - ADMT 1936 May 5 # Adis Dera MT 176 3:00 - EAT 177Link Africa/Asmara Africa/Asmera 178 179# Mali (southern) 180Zone Africa/Bamako -0:32:00 - LMT 1912 181 0:00 - GMT 1934 Feb 26 182 -1:00 - -01 1960 Jun 20 183 0:00 - GMT 184 185# Central African Republic 186Zone Africa/Bangui 1:14:20 - LMT 1912 187 1:00 - WAT 188 189# The Gambia 190# From P Chan (2020-12-09): 191# Standard time of GMT-1 was adopted on 1933-04-01. On 1942-02-01, GMT was 192# adopted as a war time measure. This was made permanent in 1946. 193# 194# Interpretation Ordinance, 1914 (No. 12 of 1914) [1914-09-29] 195# Interpretation Ordinance, 1933 (No. 10 of 1933) [1933-03-31] 196# Notice No. 5 of 1942, Colony of the Gambia Government Gazette, Vol. LIX, 197# No.2, 1942-01-15, p 2 198# Interpretation (Amendment) Ordinance, 1946 (No. 3 of 1946) [1946-07-15] 199Zone Africa/Banjul -1:06:36 - LMT 1912 200 -1:06:36 - BMT 1933 Apr 1 # Banjul Mean Time 201 -1:00 - -01 1942 Feb 1 0:00 202 0:00 - GMT 203 204# Malawi 205# From P Chan (2020-12-09): 206# In 1911, Zomba mean time was adopted as the legal time of Nyasaland. In 207# 1914, Zomba mean time switched from GMT+2:21:10 to GMT+2:21. On 1925-07-01, 208# GMT+2 was adopted. 209# 210# Interpretation and General Clauses Ordinance, 1911 (No. 12 of 1911) 211# [1911-07-24] 212# Notice No. 124 of 1914, 1914-06-30, The Nyasaland Government Gazette, Vol. 213# XXI, No. 8, 1914-06-30, p 122 214# Interpretation and General Clauses (Amendment) Ordinance, 1925 (No. 3 of 215# 1925) [1925-04-02] 216Zone Africa/Blantyre 2:20:00 - LMT 1911 Jul 24 217 2:21:10 - ZMT 1914 Jun 30 # Zomba Mean Time 218 2:21 - ZMT 1925 Jul 1 219 2:00 - CAT 220 221# Republic of the Congo 222Zone Africa/Brazzaville 1:01:08 - LMT 1912 223 1:00 - WAT 224 225# Burundi 226Zone Africa/Bujumbura 1:57:28 - LMT 1890 227 2:00 - CAT 228 229# Guinea 230Zone Africa/Conakry -0:54:52 - LMT 1912 231 0:00 - GMT 1934 Feb 26 232 -1:00 - -01 1960 233 0:00 - GMT 234 235# Senegal 236Zone Africa/Dakar -1:09:44 - LMT 1912 237 -1:00 - -01 1941 Jun 238 0:00 - GMT 239 240# Tanzania 241Zone Africa/Dar_es_Salaam 2:37:08 - LMT 1931 242 3:00 - EAT 1948 243 2:45 - +0245 1961 244 3:00 - EAT 245 246# Djibouti 247Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul 248 3:00 - EAT 249 250# Cameroon 251# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger. 252Zone Africa/Douala 0:38:48 - LMT 1912 253 1:00 - WAT 254# Sierra Leone 255# From P Chan (2020-12-09): 256# Standard time of GMT-1 was adopted on 1913-07-01. Twenty minutes of DST was 257# introduce[d] in 1932 and was suspended in 1939. In 1941, GMT was adopted by 258# Defence Regulations. This was made permanent in 1946. 259# 260# Government Notice No. 121 of 1913, 1913-06-06, Sierra Leone Royal Gazette, 261# Vol. XLIV, No. 1384, 1913-06-14, p 347 262# Alteration of Time Ordinance, 1932 (No. 34 of 1932) [1932-12-01] 263# Alteration of Time (Amendment) Ordinance, 1938 (No. 25 of 1938) [1938-11-24] 264# Defence Regulations (No. 9), 1939 (Regulations No. 9 of 1939), 1939-09-05 265# Defence Regulations (No. 11), 1939 (Regulations No. 11 of 1939), 1939-09-27 266# Defence (Amendment) (No. 17) Regulations, 1941 (Public Notice No. 157 of 267# 1941), 1914-12-04 268# Alteration of Time (Amendment) Ordinance, 1946 (No. 2 of 1946) [1946-02-07] 269 270# From Tim Parenti (2021-03-02), per P Chan (2021-02-25): 271# For Sierra Leone in 1957-1962, the standard time was defined in the 272# Alteration of Time Ordinance, 1932 (as amended in 1946, renamed to Local Time 273# Ordinance in 1960 and Local Time Act in 1961). It was unamended throughout 274# that period. See references to "Time" in the Alphabetical Index of the 275# Legislation in force on the 31st day of December, 276# 1957: https://books.google.com/books?id=lvQ-AQAAIAAJ&pg=RA2-PA49 277# 1958: https://books.google.com/books?id=4fQ-AQAAIAAJ&pg=RA2-PA50 278# 1959: https://books.google.com/books?id=p_U-AQAAIAAJ&pg=RA2-PA55 279# 1960: https://books.google.com/books?id=JPY-AQAAIAAJ&pg=RA3-PA37 280# 1961: https://books.google.com/books?id=7vY-AQAAIAAJ&pg=RA3-PA41 281# 1962: https://books.google.com/books?id=W_c-AQAAIAAJ&pg=RA3-PA44 282# 1963: https://books.google.com/books?id=9vk-AQAAIAAJ&pg=RA1-PA47 283# 284# Although Shanks & Pottenger had DST from Jun 1 00:00 to Sep 1 00:00 in this 285# period, many contemporaneous almanacs agree that it wasn't used: 286# https://mm.icann.org/pipermail/tz/2021-February/029866.html 287# Go with the above. 288 289Rule SL 1932 only - Dec 1 0:00 0:20 -0040 290Rule SL 1933 1938 - Mar 31 24:00 0 -01 291Rule SL 1933 1939 - Aug 31 24:00 0:20 -0040 292Rule SL 1939 only - May 31 24:00 0 -01 293Zone Africa/Freetown -0:53:00 - LMT 1882 294 -0:53:00 - FMT 1913 Jul 1 # Freetown MT 295 -1:00 SL %s 1939 Sep 5 296 -1:00 - -01 1941 Dec 6 24:00 297 0:00 SL GMT/+01 298 299# Botswana 300# From Paul Eggert (2013-02-21): 301# Milne says they were regulated by the Cape Town Signal in 1899; 302# assume they switched to 2:00 when Cape Town did. 303Zone Africa/Gaborone 1:43:40 - LMT 1885 304 1:30 - SAST 1903 Mar 305 2:00 - CAT 1943 Sep 19 2:00 306 2:00 1:00 CAST 1944 Mar 19 2:00 307 2:00 - CAT 308 309# Zimbabwe 310Zone Africa/Harare 2:04:12 - LMT 1903 Mar 311 2:00 - CAT 312 313# Uganda 314Zone Africa/Kampala 2:09:40 - LMT 1928 Jul 315 3:00 - EAT 1930 316 2:30 - +0230 1948 317 2:45 - +0245 1957 318 3:00 - EAT 319 320# Rwanda 321Zone Africa/Kigali 2:00:16 - LMT 1935 Jun 322 2:00 - CAT 323 324# Democratic Republic of the Congo (west) 325Zone Africa/Kinshasa 1:01:12 - LMT 1897 Nov 9 326 1:00 - WAT 327 328# Gabon 329Zone Africa/Libreville 0:37:48 - LMT 1912 330 1:00 - WAT 331 332# Togo 333Zone Africa/Lome 0:04:52 - LMT 1893 334 0:00 - GMT 335 336# Angola 337# 338# From Paul Eggert (2018-02-16): 339# Shanks gives 1911-05-26 for the transition to WAT, 340# evidently confusing the date of the Portuguese decree 341# (see Europe/Lisbon) with the date that it took effect. 342# 343Zone Africa/Luanda 0:52:56 - LMT 1892 344 0:52:04 - LMT 1911 Dec 31 23:00u # Luanda MT? 345 1:00 - WAT 346 347# Democratic Republic of the Congo (east) 348Zone Africa/Lubumbashi 1:49:52 - LMT 1897 Nov 9 349 2:00 - CAT 350 351# Zambia 352Zone Africa/Lusaka 1:53:08 - LMT 1903 Mar 353 2:00 - CAT 354 355# Equatorial Guinea 356# 357# Although Shanks says that Malabo switched from UT +00 to +01 on 1963-12-15, 358# a Google Books search says that London Calling, Issues 432-465 (1948), p 19, 359# says that Spanish Guinea was at +01 back then. The Shanks data entries 360# are most likely wrong, but we have nothing better; use them here for now. 361# 362Zone Africa/Malabo 0:35:08 - LMT 1912 363 0:00 - GMT 1963 Dec 15 364 1:00 - WAT 365 366# Lesotho 367Zone Africa/Maseru 1:50:00 - LMT 1903 Mar 368 2:00 - SAST 1943 Sep 19 2:00 369 2:00 1:00 SAST 1944 Mar 19 2:00 370 2:00 - SAST 371 372# Eswatini (formerly Swaziland) 373Zone Africa/Mbabane 2:04:24 - LMT 1903 Mar 374 2:00 - SAST 375 376# Somalia 377Zone Africa/Mogadishu 3:01:28 - LMT 1893 Nov 378 3:00 - EAT 1931 379 2:30 - +0230 1957 380 3:00 - EAT 381 382# Niger 383Zone Africa/Niamey 0:08:28 - LMT 1912 384 -1:00 - -01 1934 Feb 26 385 0:00 - GMT 1960 386 1:00 - WAT 387 388# Mauritania 389Zone Africa/Nouakchott -1:03:48 - LMT 1912 390 0:00 - GMT 1934 Feb 26 391 -1:00 - -01 1960 Nov 28 392 0:00 - GMT 393 394# Burkina Faso 395Zone Africa/Ouagadougou -0:06:04 - LMT 1912 396 0:00 - GMT 397 398# Benin 399# Whitman says they switched to 1:00 in 1946, not 1934; 400# go with Shanks & Pottenger. 401Zone Africa/Porto-Novo 0:10:28 - LMT 1912 Jan 1 402 0:00 - GMT 1934 Feb 26 403 1:00 - WAT 404 405# Mali (northern) 406Zone Africa/Timbuktu -0:12:04 - LMT 1912 407 0:00 - GMT 408 409# Anguilla 410Zone America/Anguilla -4:12:16 - LMT 1912 Mar 2 411 -4:00 - AST 412 413# Antigua and Barbuda 414Zone America/Antigua -4:07:12 - LMT 1912 Mar 2 415 -5:00 - EST 1951 416 -4:00 - AST 417 418# Chubut, Argentina 419# The name "Comodoro Rivadavia" exceeds the 14-byte POSIX limit. 420Zone America/Argentina/ComodRivadavia -4:30:00 - LMT 1894 Oct 31 421 -4:16:48 - CMT 1920 May 422 -4:00 - -04 1930 Dec 423 -4:00 Arg -04/-03 1969 Oct 5 424 -3:00 Arg -03/-02 1991 Mar 3 425 -4:00 - -04 1991 Oct 20 426 -3:00 Arg -03/-02 1999 Oct 3 427 -4:00 Arg -04/-03 2000 Mar 3 428 -3:00 - -03 2004 Jun 1 429 -4:00 - -04 2004 Jun 20 430 -3:00 - -03 431 432# Aruba 433Zone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad 434 -4:30 - -0430 1965 435 -4:00 - AST 436 437# Atikokan, Ontario 438 439# From Paul Eggert (1997-10-17): 440# Mark Brader writes that an article in the 1997-10-14 Toronto Star 441# says that Atikokan, Ontario currently does not observe DST, 442# but will vote on 11-10 whether to use EST/EDT. 443# He also writes that the Ontario Time Act (1990, Chapter T.9) 444# http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html 445# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT. 446# Officially Atikokan is therefore on CST/CDT, and most likely this report 447# concerns a non-official time observed as a matter of local practice. 448# 449# From Paul Eggert (2000-10-02): 450# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and 451# New Osnaburgh observe CST all year, that Big Trout Lake observes 452# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in 453# violation of the official Ontario rules. 454# 455# From Paul Eggert (2006-07-09): 456# Chris Walton (2006-07-06) mentioned an article by Stephanie MacLellan in the 457# 2005-07-21 Chronicle-Journal, which said: 458# 459# The clocks in Atikokan stay set on standard time year-round. 460# This means they spend about half the time on central time and 461# the other half on eastern time. 462# 463# For the most part, the system works, Mayor Dennis Brown said. 464# 465# "The majority of businesses in Atikokan deal more with Eastern 466# Canada, but there are some that deal with Western Canada," he 467# said. "I don't see any changes happening here." 468# 469# Walton also writes "Supposedly Pickle Lake and Mishkeegogamang 470# [New Osnaburgh] follow the same practice." 471 472# From Garry McKinnon (2006-07-14) via Chris Walton: 473# I chatted with a member of my board who has an outstanding memory 474# and a long history in Atikokan (and in the telecom industry) and he 475# can say for certain that Atikokan has been practicing the current 476# time keeping since 1952, at least. 477 478# From Paul Eggert (2006-07-17): 479# Shanks & Pottenger say that Atikokan has agreed with Rainy River 480# ever since standard time was introduced, but the information from 481# McKinnon sounds more authoritative. For now, assume that Atikokan 482# switched to EST immediately after WWII era daylight saving time 483# ended. This matches the old (less-populous) America/Coral_Harbour 484# entry since our cutoff date of 1970, so we can move 485# America/Coral_Harbour to the 'backward' file. 486 487Zone America/Atikokan -6:06:28 - LMT 1895 488 -6:00 Canada C%sT 1940 Sep 29 489 -6:00 1:00 CDT 1942 Feb 9 2:00s 490 -6:00 Canada C%sT 1945 Sep 30 2:00 491 -5:00 - EST 492 493# Quebec east of Natashquan 494 495# From Paul Eggert (2021-05-09): 496# H. David Matthews and Mary Vincent's map 497# "It's about TIME", _Canadian Geographic_ (September-October 1998) 498# http://www.canadiangeographic.ca/Magazine/SO98/alacarte.asp 499# says that Quebec east of the -63 meridian is supposed to observe 500# AST, but residents as far east as Natashquan use EST/EDT, and 501# residents east of Natashquan use AST. 502# The Quebec department of justice writes in 503# "The situation in Minganie and Basse-Côte-Nord" 504# https://www.justice.gouv.qc.ca/en/department/ministre/functions-and-responsabilities/legal-time-in-quebec/the-situation-in-minganie-and-basse-cote-nord/ 505# that the coastal strip from just east of Natashquan to Blanc-Sablon 506# observes Atlantic standard time all year round. 507# This common practice was codified into law as of 2007; see Legal Time Act, 508# CQLR c T-5.1 <http://legisquebec.gouv.qc.ca/en/ShowDoc/cs/T-5.1>. 509# For lack of better info, guess this practice began around 1970, contra to 510# Shanks & Pottenger who have this region observing AST/ADT. 511 512Zone America/Blanc-Sablon -3:48:28 - LMT 1884 513 -4:00 Canada A%sT 1970 514 -4:00 - AST 515 516# Cayman Is 517Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown 518 -5:07:10 - KMT 1912 Feb # Kingston Mean Time 519 -5:00 - EST 520 521# United States 522# 523# From Paul Eggert (2018-03-18): 524# America/Chillicothe would be tricky, as it was a city of two-timers: 525# "To prevent a constant mixup at Chillicothe, caused by the courthouse 526# clock running on central time and the city running on 'daylight saving' 527# time, a third hand was added to the dial of the courthouse clock." 528# -- Ohio news in brief. The Cedarville Herald. 1920-05-21;43(21):1 (col. 5) 529# https://digitalcommons.cedarville.edu/cedarville_herald/794 530 531# Canada 532Zone America/Coral_Harbour -5:32:40 - LMT 1884 533 -5:00 NT_YK E%sT 1946 534 -5:00 - EST 535 536# From Chris Walton (2011-12-01): 537# There are two areas within the Canadian province of British Columbia 538# that do not currently observe daylight saving: 539# a) The Creston Valley (includes the town of Creston and surrounding area) 540# b) The eastern half of the Peace River Regional District 541# (includes the cities of Dawson Creek and Fort St. John) 542 543# Earlier this year I stumbled across a detailed article about the time 544# keeping history of Creston; it was written by Tammy Hardwick who is the 545# manager of the Creston & District Museum. The article was written in May 2009. 546# http://www.ilovecreston.com/?p=articles&t=spec&ar=260 547# According to the article, Creston has not changed its clocks since June 1918. 548# i.e. Creston has been stuck on UT-7 for 93 years. 549# Dawson Creek, on the other hand, changed its clocks as recently as April 1972. 550 551# Unfortunately the exact date for the time change in June 1918 remains 552# unknown and will be difficult to ascertain. I e-mailed Tammy a few months 553# ago to ask if Sunday June 2 was a reasonable guess. She said it was just 554# as plausible as any other date (in June). She also said that after writing 555# the article she had discovered another time change in 1916; this is the 556# subject of another article which she wrote in October 2010. 557# http://www.creston.museum.bc.ca/index.php?module=comments&uop=view_comment&cm+id=56 558 559# Here is a summary of the three clock change events in Creston's history: 560# 1. 1884 or 1885: adoption of Mountain Standard Time (GMT-7) 561# Exact date unknown 562# 2. Oct 1916: switch to Pacific Standard Time (GMT-8) 563# Exact date in October unknown; Sunday October 1 is a reasonable guess. 564# 3. June 1918: switch to Pacific Daylight Time (GMT-7) 565# Exact date in June unknown; Sunday June 2 is a reasonable guess. 566# note 1: 567# On Oct 27/1918 when daylight saving ended in the rest of Canada, 568# Creston did not change its clocks. 569# note 2: 570# During WWII when the Federal Government legislated a mandatory clock change, 571# Creston did not oblige. 572# note 3: 573# There is no guarantee that Creston will remain on Mountain Standard Time 574# (UTC-7) forever. 575# The subject was debated at least once this year by the town Council. 576# http://www.bclocalnews.com/kootenay_rockies/crestonvalleyadvance/news/116760809.html 577 578# During a period WWII, summer time (Daylight saying) was mandatory in Canada. 579# In Creston, that was handled by shifting the area to PST (-8:00) then applying 580# summer time to cause the offset to be -7:00, the same as it had been before 581# the change. It can be argued that the timezone abbreviation during this 582# period should be PDT rather than MST, but that doesn't seem important enough 583# (to anyone) to further complicate the rules. 584 585# The transition dates (and times) are guesses. 586 587Zone America/Creston -7:46:04 - LMT 1884 588 -7:00 - MST 1916 Oct 1 589 -8:00 - PST 1918 Jun 2 590 -7:00 - MST 591 592# Curaçao 593# Milne gives 4:35:46.9 for Curaçao mean time; round to nearest. 594# 595# From Paul Eggert (2006-03-22): 596# Shanks & Pottenger say that The Bottom and Philipsburg have been at 597# -4:00 since standard time was introduced on 1912-03-02; and that 598# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from 599# 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say 600# Saba Island has been like Curaçao. 601# This all predates our 1970 cutoff, though. 602# 603# By July 2007 Curaçao and St Maarten are planned to become 604# associated states within the Netherlands, much like Aruba; 605# Bonaire, Saba and St Eustatius would become directly part of the 606# Netherlands as Kingdom Islands. This won't affect their time zones 607# though, as far as we know. 608# 609Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad 610 -4:30 - -0430 1965 611 -4:00 - AST 612Link America/Curacao America/Kralendijk 613Link America/Curacao America/Lower_Princes 614 615# Dominica 616Zone America/Dominica -4:05:36 - LMT 1911 Jul 1 0:01 # Roseau 617 -4:00 - AST 618 619# Baja California 620# See 'northamerica' for why this entry is here rather than there. 621Zone America/Ensenada -7:46:28 - LMT 1922 Jan 1 0:13:32 622 -8:00 - PST 1927 Jun 10 23:00 623 -7:00 - MST 1930 Nov 16 624 -8:00 - PST 1942 Apr 625 -7:00 - MST 1949 Jan 14 626 -8:00 - PST 1996 627 -8:00 Mexico P%sT 628 629# Grenada 630Zone America/Grenada -4:07:00 - LMT 1911 Jul # St George's 631 -4:00 - AST 632 633# Guadeloupe 634Zone America/Guadeloupe -4:06:08 - LMT 1911 Jun 8 # Pointe-à-Pitre 635 -4:00 - AST 636 637 638# Canada 639# 640# From Paul Eggert (2015-03-24): 641# Since 1970 most of Quebec has been like Toronto; see 642# America/Toronto. However, earlier versions of the tz database 643# mistakenly relied on data from Shanks & Pottenger saying that Quebec 644# differed from Ontario after 1970, and the following rules and zone 645# were created for most of Quebec from the incorrect Shanks & 646# Pottenger data. The post-1970 entries have been corrected, but the 647# pre-1970 entries are unchecked and probably have errors. 648# 649Rule Mont 1917 only - Mar 25 2:00 1:00 D 650Rule Mont 1917 only - Apr 24 0:00 0 S 651Rule Mont 1919 only - Mar 31 2:30 1:00 D 652Rule Mont 1919 only - Oct 25 2:30 0 S 653Rule Mont 1920 only - May 2 2:30 1:00 D 654Rule Mont 1920 1922 - Oct Sun>=1 2:30 0 S 655Rule Mont 1921 only - May 1 2:00 1:00 D 656Rule Mont 1922 only - Apr 30 2:00 1:00 D 657Rule Mont 1924 only - May 17 2:00 1:00 D 658Rule Mont 1924 1926 - Sep lastSun 2:30 0 S 659Rule Mont 1925 1926 - May Sun>=1 2:00 1:00 D 660Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D 661Rule Mont 1927 1937 - Sep lastSat 24:00 0 S 662Rule Mont 1938 1940 - Apr lastSun 0:00 1:00 D 663Rule Mont 1938 1939 - Sep lastSun 0:00 0 S 664Rule Mont 1946 1973 - Apr lastSun 2:00 1:00 D 665Rule Mont 1945 1948 - Sep lastSun 2:00 0 S 666Rule Mont 1949 1950 - Oct lastSun 2:00 0 S 667Rule Mont 1951 1956 - Sep lastSun 2:00 0 S 668Rule Mont 1957 1973 - Oct lastSun 2:00 0 S 669Zone America/Montreal -4:54:16 - LMT 1884 670 -5:00 Mont E%sT 1918 671 -5:00 Canada E%sT 1919 672 -5:00 Mont E%sT 1942 Feb 9 2:00s 673 -5:00 Canada E%sT 1946 674 -5:00 Mont E%sT 1974 675 -5:00 Canada E%sT 676 677# Montserrat 678# From Paul Eggert (2006-03-22): 679# In 1995 volcanic eruptions forced evacuation of Plymouth, the capital. 680# world.gazetteer.com says Cork Hill is the most populous location now. 681Zone America/Montserrat -4:08:52 - LMT 1911 Jul 1 0:01 # Cork Hill 682 -4:00 - AST 683 684# The Bahamas 685# 686# For 1899 Milne gives -5:09:29.5; round that. 687# 688# From P Chan (2020-11-27, corrected on 2020-12-02): 689# There were two periods of DST observed in 1942-1945: 1942-05-01 690# midnight to 1944-12-31 midnight and 1945-02-01 to 1945-10-17 midnight. 691# "midnight" should mean 24:00 from the context. 692# 693# War Time Order 1942 [1942-05-01] and War Time (No. 2) Order 1942 [1942-09-29] 694# Appendix to the Statutes of 7 George VI. and the Year 1942. p 34, 43 695# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA34 696# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA3-PA43 697# 698# War Time Order 1943 [1943-03-31] and War Time Order 1944 [1943-12-29] 699# Appendix to the Statutes of 8 George VI. and the Year 1943. p 9-10, 28-29 700# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA9 701# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA4-PA28 702# 703# War Time Order 1945 [1945-01-31] and the Order which revoke War Time Order 704# 1945 [1945-10-16] Appendix to the Statutes of 9 George VI. and the Year 705# 1945. p 160, 247-248 706# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA160 707# https://books.google.com/books?id=5rlNAQAAIAAJ&pg=RA6-PA247 708# 709# From Sue Williams (2006-12-07): 710# The Bahamas announced about a month ago that they plan to change their DST 711# rules to sync with the U.S. starting in 2007.... 712# http://www.jonesbahamas.com/?c=45&a=10412 713 714Rule Bahamas 1942 only - May 1 24:00 1:00 W 715Rule Bahamas 1944 only - Dec 31 24:00 0 S 716Rule Bahamas 1945 only - Feb 1 0:00 1:00 W 717Rule Bahamas 1945 only - Aug 14 23:00u 1:00 P # Peace 718Rule Bahamas 1945 only - Oct 17 24:00 0 S 719Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S 720Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D 721 722Zone America/Nassau -5:09:30 - LMT 1912 Mar 2 723 -5:00 Bahamas E%sT 1976 724 -5:00 US E%sT 725 726# United States 727# 728# From Paul Eggert (2018-03-18): 729# America/Palm_Springs would be tricky, as it kept two sets of clocks 730# in 1946/7. See the following notes. 731# 732# From Steve Allen (2018-01-19): 733# The shadow of Mt. San Jacinto brings darkness very early in the winter 734# months. In 1946 the chamber of commerce decided to put the clocks of Palm 735# Springs forward by an hour in the winter. 736# https://www.desertsun.com/story/life/2017/12/27/palm-springs-struggle-daylight-savings-time-and-idea-sun-time/984416001/ 737# Desert Sun, Number 18, 1 November 1946 738# https://cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=DS19461101 739# has proposal for meeting on front page and page 21. 740# Desert Sun, Number 19, 5 November 1946 741# https://cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=DS19461105 742# reports that Sun Time won at the meeting on front page and page 5. 743# Desert Sun, Number 37, 7 January 1947 744# https://cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=DS19470107.2.12 745# front page reports request to abandon Sun Time and page 7 notes a "class war". 746# Desert Sun, Number 38, 10 January 1947 747# https://cdnc.ucr.edu/cgi-bin/cdnc?a=d&d=DS19470110 748# front page reports on end. 749 750# Trinidad and Tobago 751Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 752 -4:00 - AST 753Link America/Port_of_Spain America/Marigot 754Link America/Port_of_Spain America/St_Barthelemy 755Link America/Port_of_Spain America/Virgin 756 757# Argentina 758# This entry was intended for the following areas, but has been superseded by 759# more detailed zones. 760# Santa Fe (SF), Entre Ríos (ER), Corrientes (CN), Misiones (MN), Chaco (CC), 761# Formosa (FM), La Pampa (LP), Chubut (CH) 762Zone America/Rosario -4:02:40 - LMT 1894 Nov 763 -4:16:44 - CMT 1920 May 764 -4:00 - -04 1930 Dec 765 -4:00 Arg -04/-03 1969 Oct 5 766 -3:00 Arg -03/-02 1991 Jul 767 -3:00 - -03 1999 Oct 3 0:00 768 -4:00 Arg -04/-03 2000 Mar 3 0:00 769 -3:00 - -03 770 771# St Kitts-Nevis 772Zone America/St_Kitts -4:10:52 - LMT 1912 Mar 2 # Basseterre 773 -4:00 - AST 774 775# St Lucia 776Zone America/St_Lucia -4:04:00 - LMT 1890 # Castries 777 -4:04:00 - CMT 1912 # Castries Mean Time 778 -4:00 - AST 779 780# US Virgin Is 781Zone America/St_Thomas -4:19:44 - LMT 1911 Jul # Charlotte Amalie 782 -4:00 - AST 783Link America/St_Thomas America/Virgin 784 785# St Vincent and the Grenadines 786Zone America/St_Vincent -4:04:56 - LMT 1890 # Kingstown 787 -4:04:56 - KMT 1912 # Kingstown Mean Time 788 -4:00 - AST 789 790# British Virgin Is 791Zone America/Tortola -4:18:28 - LMT 1911 Jul # Road Town 792 -4:00 - AST 793 794# Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 795# <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05) 796# 797# Another base at Port-Martin, 50km east, began operation in 1947. 798# It was destroyed by fire on 1952-01-14. 799# 800Zone Antarctica/DumontDUrville 0 - -00 1947 801 10:00 - +10 1952 Jan 14 802 0 - -00 1956 Nov 803 10:00 - +10 804 805# McMurdo, Ross Island, since 1955-12 806Zone Antarctica/McMurdo 0 - -00 1956 807 12:00 NZ NZ%sT 808Link Antarctica/McMurdo Antarctica/South_Pole 809 810# Syowa, Antarctica 811# 812# From Hideyuki Suzuki (1999-02-06): 813# In all Japanese stations, +0300 is used as the standard time. 814# 815# Syowa station, which is the first antarctic station of Japan, 816# was established on 1957-01-29. Since Syowa station is still the main 817# station of Japan, it's appropriate for the principal location. 818Zone Antarctica/Syowa 0 - -00 1957 Jan 29 819 3:00 - +03 820# See: 821# NIPR Antarctic Research Activities (1999-08-17) 822# http://www.nipr.ac.jp/english/ara01.html 823 824# Yemen 825# Milne says 2:59:54 was the meridian of the saluting battery at Aden, 826# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia. 827Zone Asia/Aden 2:59:54 - LMT 1950 828 3:00 - +03 829 830# Bahrain 831# 832# From Paul Eggert (2020-07-23): 833# Most of this data comes from: 834# Stewart A. Why Gulf Standard Time is far from standard: the fascinating story 835# behind the time zone's invention. The National (Abu Dhabi). 2020-07-22. 836# https://www.thenational.ae/arts-culture/why-gulf-standard-time-is-far-from-standard-the-fascinating-story-behind-the-time-zone-s-invention-1.1052589 837# Stewart writes that before 1941 some companies in Bahrain were at +0330 and 838# others at +0323. Reginald George Alban, a British political agent based in 839# Manama, worked to standardize this, and from 1941-07-20 Bahrain was at 840# +0330. However, BOAC asked that clocks be moved to gain more light at day's 841# end, so Bahrain switched to +04 on 1944-01-01. 842# 843# Re the 1941 transition, Stewart privately sent me this citation: 844# "File 16/53 Enquiries Re: Calculation of Local Time", British Library: India 845# Office Records and Private Papers, IOR/R/15/2/1564, in Qatar Digital Library 846# https://www.qdl.qa/archive/81055/vdc_100000000282.0x00012b 847# It says there was no real standard in Bahrain before 1941-07-20. 848# +0330 was used by steamers of the British India Co, by Petroleum Concessions 849# and by Cable & Wireless; +0323 was used by the Eastern Bank Ltd, BOAC, and 850# Bahrein Petroleum (Bapco), and California Arabian Standard Oil Co (Casoc) 851# adopted DST effective 1941-05-24. Alban suggested adopting DST, R.B. Coomb 852# of C&W countersuggested +0330, and although C.A. Rodstrom of Casoc (formerly 853# of Bapco) stated that Bahrain had formerly used +0330 before Bapco arrived 854# but Bapco switched to +0323 because of "constant confusion", the consensus 855# was +0330. The government adopted +0330 in 1941-07-20 and companies seem to 856# have switched by 08-01. No time of day was given for the 1940s transitions. 857Zone Asia/Bahrain 3:22:20 - LMT 1941 Jul 20 # Manamah 858 3:30 - +0330 1944 Jan 1 859 4:00 - +04 1972 Jun 860 3:00 - +03 861 862# India 863# 864# From Paul Eggert (2014-09-06): 865# The 1876 Report of the Secretary of the [US] Navy, p 305 says that Madras 866# civil time was 5:20:57.3. 867# 868# From Paul Eggert (2014-08-21): 869# In tomorrow's The Hindu, Nitya Menon reports that India had two civil time 870# zones starting in 1884, one in Bombay and one in Calcutta, and that railways 871# used a third time zone based on Madras time (80° 18' 30" E). Also, 872# in 1881 Bombay briefly switched to Madras time, but switched back. See: 873# http://www.thehindu.com/news/cities/chennai/madras-375-when-madras-clocked-the-time/article6339393.ece 874#Zone Asia/Chennai [not enough info to complete] 875 876# China 877# Long-shu Time (probably due to Long and Shu being two names of that area) 878# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan; 879# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong 880# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing, 881# Yangchun, Yangjiang, Yu'nan, and Yunfu. 882Zone Asia/Chongqing 7:06:20 - LMT 1928 # or Chungking 883 7:00 - +07 1980 May 884 8:00 PRC C%sT 885Link Asia/Chongqing Asia/Chungking 886 887# Vietnam 888# From Paul Eggert (2014-10-13): 889# See Asia/Ho_Chi_Minh for the source for this data. 890# Trần's book says the 1954-55 transition to 07:00 in Hanoi was in 891# October 1954, with exact date and time unspecified. 892Zone Asia/Hanoi 7:03:24 - LMT 1906 Jul 1 893 7:06:30 - PLMT 1911 May 1 894 7:00 - +07 1942 Dec 31 23:00 895 8:00 - +08 1945 Mar 14 23:00 896 9:00 - +09 1945 Sep 2 897 7:00 - +07 1947 Apr 1 898 8:00 - +08 1954 Oct 899 7:00 - +07 900 901# China 902# Changbai Time ("Long-white Time", Long-white = Heilongjiang area) 903# Heilongjiang (except Mohe county), Jilin 904Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin 905 8:30 - +0830 1932 Mar 906 8:00 - CST 1940 907 9:00 - +09 1966 May 908 8:30 - +0830 1980 May 909 8:00 PRC C%sT 910 911# far west China 912Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar 913 5:30 - +0530 1940 914 5:00 - +05 1980 May 915 8:00 PRC C%sT 916 917# Kuwait 918Zone Asia/Kuwait 3:11:56 - LMT 1950 919 3:00 - +03 920 921 922# Oman 923# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory. 924Zone Asia/Muscat 3:54:24 - LMT 1920 925 4:00 - +04 926 927# India 928# From Paul Eggert (2014-08-11), after a heads-up from Stephen Colebourne: 929# According to a Portuguese decree (1911-05-26) 930# https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf 931# Portuguese India switched to UT +05 on 1912-01-01. 932#Zone Asia/Panaji [not enough info to complete] 933 934# Cambodia 935 936# From an adoptive daughter of the late Cambodian ruler Prince Sihanouk, 937# via Alois Treindl (2019-08-08): 938# 939# King Sihanouk said that, during the Japanese occupation, starting with 940# what historians refer to as "le coup de force du 9 mars 1945", Cambodia, 941# like the entire French Indochina, used Tokyo time zone. After Japan 942# surrendered, 2 September 1945, Cambodia fell under French rule again and 943# adopted Hanoi time zone again. 944# 945# However, on 7 January 1946, Sihanouk and Tioulong managed to obtain a 946# status of "internal autonomy" from the government of Charles de Gaulle. 947# Although many fields remained under the administration of the French 948# (customs, taxes, justice, defence, foreign affairs, etc.), the Cambodian 949# administration was responsible for religious matters and traditional 950# celebrations, which included our calendar and time. The time zone was GMT 951# + 7 and _no_ DST was applied. 952# 953# After Sihanouk and Tioulong achieved full independence, on 9 November 1953, 954# GMT + 7 was maintained. 955 956# From Paul Eggert (2019-08-26): 957# See Asia/Ho_Chi_Minh for the source for most of rest of this data. 958 959Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jul 1 960 7:06:30 - PLMT 1911 May 1 961 7:00 - +07 1942 Dec 31 23:00 962 8:00 - +08 1945 Mar 14 23:00 963 9:00 - +09 1945 Sep 2 964 7:00 - +07 965 966# Israel 967Zone Asia/Tel_Aviv 2:19:04 - LMT 1880 968 2:21 - JMT 1918 969 2:00 Zion I%sT 970 971# Laos 972# From Paul Eggert (2014-10-11): 973# See Asia/Ho_Chi_Minh for the source for most of this data. 974# Trần's book says that Laos reverted to UT +07 on 1955-04-15. 975# Also, guess that Laos reverted to +07 on 1945-09-02, when Vietnam did; 976# this is probably wrong but it's better than guessing no transition. 977Zone Asia/Vientiane 6:50:24 - LMT 1906 Jul 1 978 7:06:30 - PLMT 1911 May 1 979 7:00 - +07 1942 Dec 31 23:00 980 8:00 - +08 1945 Mar 14 23:00 981 9:00 - +09 1945 Sep 2 982 7:00 - +07 1947 Apr 1 983 8:00 - +08 1955 Apr 15 984 7:00 - +07 985 986# Jan Mayen 987# From Whitman: 988Zone Atlantic/Jan_Mayen -1:00 - -01 989 990# St Helena 991Zone Atlantic/St_Helena -0:22:48 - LMT 1890 # Jamestown 992 -0:22:48 - JMT 1951 # Jamestown Mean Time 993 0:00 - GMT 994 995# King Island 996Zone Australia/Currie 9:35:28 - LMT 1895 Sep 997 10:00 AT AE%sT 1919 Oct 24 998 10:00 Aus AE%sT 1968 Oct 15 999 10:00 AT AE%sT 1000 1001# Northern Ireland 1002Zone Europe/Belfast -0:23:40 - LMT 1880 Aug 2 1003 -0:25:21 - DMT 1916 May 21 2:00 1004 # DMT = Dublin/Dunsink MT 1005 -0:25:21 1:00 IST 1916 Oct 1 2:00s 1006 # IST = Irish Summer Time 1007 0:00 GB-Eire %s 1968 Oct 27 1008 1:00 - BST 1971 Oct 31 2:00u 1009 0:00 GB-Eire %s 1996 1010 0:00 EU GMT/BST 1011 1012# Guernsey 1013# Data from Joseph S. Myers 1014# https://mm.icann.org/pipermail/tz/2013-September/019883.html 1015# References to be added 1016# LMT is for Town Church, St. Peter Port, 49° 27' 17" N, 2° 32' 10" W. 1017Zone Europe/Guernsey -0:10:09 - LMT 1913 Jun 18 1018 0:00 GB-Eire %s 1940 Jul 2 1019 1:00 C-Eur CE%sT 1945 May 8 1020 0:00 GB-Eire %s 1968 Oct 27 1021 1:00 - BST 1971 Oct 31 2:00u 1022 0:00 GB-Eire %s 1996 1023 0:00 EU GMT/BST 1024 1025# Isle of Man 1026# 1027# From Lester Caine (2013-09-04): 1028# The Isle of Man legislation is now on-line at 1029# <https://www.legislation.gov.im>, starting with the original Statutory 1030# Time Act in 1883 and including additional confirmation of some of 1031# the dates of the 'Summer Time' orders originating at 1032# Westminster. There is a little uncertainty as to the starting date 1033# of the first summer time in 1916 which may have been announced a 1034# couple of days late. There is still a substantial number of 1035# documents to work through, but it is thought that every GB change 1036# was also implemented on the island. 1037# 1038# AT4 of 1883 - The Statutory Time et cetera Act 1883 - 1039# LMT Location - 54.1508N -4.4814E - Tynwald Hill ( Manx parliament ) 1040Zone Europe/Isle_of_Man -0:17:55 - LMT 1883 Mar 30 0:00s 1041 0:00 GB-Eire %s 1968 Oct 27 1042 1:00 - BST 1971 Oct 31 2:00u 1043 0:00 GB-Eire %s 1996 1044 0:00 EU GMT/BST 1045 1046# Jersey 1047# Data from Joseph S. Myers 1048# https://mm.icann.org/pipermail/tz/2013-September/019883.html 1049# References to be added 1050# LMT is for Parish Church, St. Helier, 49° 11' 0.57" N, 2° 6' 24.33" W. 1051Zone Europe/Jersey -0:08:26 - LMT 1898 Jun 11 16:00u 1052 0:00 GB-Eire %s 1940 Jul 2 1053 1:00 C-Eur CE%sT 1945 May 8 1054 0:00 GB-Eire %s 1968 Oct 27 1055 1:00 - BST 1971 Oct 31 2:00u 1056 0:00 GB-Eire %s 1996 1057 0:00 EU GMT/BST 1058 1059# Slovenia 1060Zone Europe/Ljubljana 0:58:04 - LMT 1884 1061 1:00 - CET 1941 Apr 18 23:00 1062 1:00 C-Eur CE%sT 1945 May 8 2:00s 1063 1:00 1:00 CEST 1945 Sep 16 2:00s 1064 1:00 - CET 1982 Nov 27 1065 1:00 EU CE%sT 1066 1067# Bosnia and Herzegovina 1068Zone Europe/Sarajevo 1:13:40 - LMT 1884 1069 1:00 - CET 1941 Apr 18 23:00 1070 1:00 C-Eur CE%sT 1945 May 8 2:00s 1071 1:00 1:00 CEST 1945 Sep 16 2:00s 1072 1:00 - CET 1982 Nov 27 1073 1:00 EU CE%sT 1074 1075# North Macedonia 1076Zone Europe/Skopje 1:25:44 - LMT 1884 1077 1:00 - CET 1941 Apr 18 23:00 1078 1:00 C-Eur CE%sT 1945 May 8 2:00s 1079 1:00 1:00 CEST 1945 Sep 16 2:00s 1080 1:00 - CET 1982 Nov 27 1081 1:00 EU CE%sT 1082 1083 1084 1085# Moldova / Transnistria 1086Zone Europe/Tiraspol 1:58:32 - LMT 1880 1087 1:55 - CMT 1918 Feb 15 # Chisinau MT 1088 1:44:24 - BMT 1931 Jul 24 # Bucharest MT 1089 2:00 Romania EE%sT 1940 Aug 15 1090 2:00 1:00 EEST 1941 Jul 17 1091 1:00 C-Eur CE%sT 1944 Aug 24 1092 3:00 Russia MSK/MSD 1991 Mar 31 2:00 1093 2:00 Russia EE%sT 1992 Jan 19 2:00 1094 3:00 Russia MSK/MSD 1095 1096# Liechtenstein 1097Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun 1098 1:00 Swiss CE%sT 1981 1099 1:00 EU CE%sT 1100 1101# Croatia 1102Zone Europe/Zagreb 1:03:52 - LMT 1884 1103 1:00 - CET 1941 Apr 18 23:00 1104 1:00 C-Eur CE%sT 1945 May 8 2:00s 1105 1:00 1:00 CEST 1945 Sep 16 2:00s 1106 1:00 - CET 1982 Nov 27 1107 1:00 EU CE%sT 1108 1109# Madagascar 1110Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul 1111 3:00 - EAT 1954 Feb 27 23:00s 1112 3:00 1:00 EAST 1954 May 29 23:00s 1113 3:00 - EAT 1114 1115# Comoros 1116Zone Indian/Comoro 2:53:04 - LMT 1911 Jul # Moroni, Gran Comoro 1117 3:00 - EAT 1118 1119# Mayotte 1120Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou 1121 3:00 - EAT 1122 1123# Phoenix Islands, Kiribati 1124# From Paul Eggert (2021-05-27): 1125# Enderbury was inhabited 1860/1880s to mine guano, and 1938-03-06/1942-02-09 1126# for aviation (ostensibly commercial, but military uses foreseen). 1127# The 19th-century dates are approximate. See Pacific/Kanton for 1128# the currently-inhabited representative for this timezone. 1129Zone Pacific/Enderbury 0 - -00 1860 1130 -11:24:20 - LMT 1885 1131 0 - -00 1938 Mar 6 1132 -12:00 - -12 1942 Feb 9 1133 0 - -00 1134 1135# Johnston 1136Zone Pacific/Johnston -10:00 - HST 1137 1138# Midway 1139# 1140# From Mark Brader (2005-01-23): 1141# [Fallacies and Fantasies of Air Transport History, by R.E.G. Davies, 1142# published 1994 by Paladwr Press, McLean, VA, USA; ISBN 0-9626483-5-3] 1143# reproduced a Pan American Airways timetable from 1936, for their weekly 1144# "Orient Express" flights between San Francisco and Manila, and connecting 1145# flights to Chicago and the US East Coast. As it uses some time zone 1146# designations that I've never seen before:.... 1147# Fri. 6:30A Lv. HONOLOLU (Pearl Harbor), H.I. H.L.T. Ar. 5:30P Sun. 1148# " 3:00P Ar. MIDWAY ISLAND . . . . . . . . . M.L.T. Lv. 6:00A " 1149# 1150Zone Pacific/Midway -11:49:28 - LMT 1901 1151 -11:00 - -11 1956 Jun 3 1152 -11:00 1:00 -10 1956 Sep 2 1153 -11:00 - -11 1154 1155# N Mariana Is 1156Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31 1157 9:43:00 - LMT 1901 1158 9:00 - +09 1969 Oct 1159 10:00 - +10 2000 Dec 23 1160 10:00 - ChST # Chamorro Standard Time 1161 1162# Local Variables: 1163# coding: utf-8 1164# End: 1165