From ffad40e6270dcdb704733b0c4b87bffdb5d7b415 Mon Sep 17 00:00:00 2001 From: Tim Parenti Date: Sat, 26 Jul 2014 19:52:49 -0400 Subject: Revert overzealous zone links. This reverts the following commits: 662016b64ae64bc8d2680f349d1a7813dc1ee536 4b4e789d5c5ee79366b4606d139cbb9eb1d5a28d f1ddf32f059c17fa5a1ec24f549d70db36dc5fa9 --- NEWS | 50 ----------- africa | 260 +++++++++++++++++++++++++++++++++++++-------------------- asia | 98 +++++++++++++--------- australasia | 56 +++++-------- backward | 6 +- europe | 21 ++---- northamerica | 25 ++++-- southamerica | 1 - 8 files changed, 273 insertions(+), 244 deletions(-) diff --git a/NEWS b/NEWS index ed5104b..6a4a9c0 100644 --- a/NEWS +++ b/NEWS @@ -40,13 +40,6 @@ Unreleased, experimental changes Prefer MSK/MSD for Moscow time in Russia, even in other cities. Similarly, prefer EET/EEST for eastern European time in Russia. - Change time zone abbreviations in (western) Samoa to use "ST" and - "DT" suffixes, as this is more likely to match common practice. - Prefix "W" to (western) Samoa time when its standard-time offset - disagrees with that of American Samoa. - - America/Metlakatla now uses PST, not MeST, to abbreviate its time zone. - Time zone abbreviations have been updated for Japan's two time zones used 1896-1937. JWST now stands for Western Standard Time, and JCST for Central Standard Time (formerly this was CJT). @@ -64,26 +57,6 @@ Unreleased, experimental changes UTC+6 and not UTC+8. (Thanks to Luther Ma and to Alois Treindl; Treindl sent helpful translations of two papers by Guo Qingsheng.) - Some zones have been turned into links, when they differed from existing - zones only for older UTC offsets where the data were likely invented. - These changes affect UTC offsets in pre-1970 time stamps only. This is - similar to the change in release 2013e, except this time for Africa, Asia, - and a few other locations. The affected zones are: Africa/Addis_Ababa, - Africa/Asmara, Africa/Bamako, Africa/Bangui, Africa/Banjul, - Africa/Blantyre, Africa/Brazzaville, Africa/Bujumbura, Africa/Conakry, - Africa/Dakar, Africa/Dar_es_Salaam, Africa/Djibouti, Africa/Douala, - Africa/Freetown, Africa/Gaborone, Africa/Harare, Africa/Kampala, - Africa/Kigali, Africa/Kinshasa, Africa/Libreville, Africa/Lome, - Africa/Luanda, Africa/Lubumbashi, Africa/Lusaka, Africa/Malabo, - Africa/Maseru, Africa/Mbabane, Africa/Mogadishu, Africa/Niamey, - Africa/Nouakchott, Africa/Ouagadougou, Africa/Porto-Novo, Africa/Sao_Tome, - America/Antigua, America/Cayman, Asia/Aden, Asia/Bahrain, - Asia/Ho_Chi_Minh, Asia/Kuwait, Asia/Muscat, Asia/Phnom_Penh, - Asia/Vientiane, Atlantic/St_Helena, Indian/Antananarivo, Indian/Comoro, - Indian/Mayotte, Pacific/Midway, and Pacific/Saipan. (Thanks to Alan - Barrett, Tim Parenti, and David Patte for reporting bugs in earlier - versions of this change.) - Asia/Shanghai's pre-standard-time UT offset has been changed from 8:05:57 to 8:05:43, the location of Xujiahui Observatory. Its transition to standard time has been changed from 1928 to 1901. @@ -94,25 +67,9 @@ Unreleased, experimental changes from 04-15 through 10-31; and in 1979 from 07-01 through 09-30. (Thanks to Yu-Cheng Chuang.) - Asia/Riyadh's transition to standard time is now 1947-03-14, not 1950. - Europe/Helsinki's 1942 fall-back transition was October 4 at 01:00, not October 3 at 00:00. (Thanks to Konstantin Hyppönen.) - Pacific/Apia and Pacific/Pago_Pago have been changed from UTC-11:30 to - UTC-11 for the period from 1911 to 1950. - - Pacific/Chatham has been changed to New Zealand standard time plus - 45 minutes for the period before 1957, reflecting a 1956 remark in - the New Zealand parliament. - - Europe/Budapest has several pre-1946 corrections: in 1918 the transition - out of DST was on 09-16, not 09-29; in 1919 it was on 11-24, not 09-15; in - 1945 it was on 11-01, not 11-03; in 1941 the transition to DST was 04-08 - not 04-06 at 02:00; and there was no DST in 1920. - - Africa/Accra is now assumed to have observed DST from 1920 through 1935. - Time in Russia before 1927 or so has been corrected by a few seconds in the following zones: Europe/Moscow, Asia/Irkutsk, Asia/Tbilisi, Asia/Tashkent, Asia/Vladivostok, Asia/Yekaterinburg, Europe/Helsinki, and @@ -188,13 +145,6 @@ Unreleased, experimental changes Commentary about the coverage of each Russian zone has been standardized. (Thanks to Tim Parenti). - There is new commentary about time in Poland in 1919. - - Proper credit has been given to DST inventor George Vernon Hudson. - - Commentary about time in Metlakatla, AK and Resolute, NU has been - improved, with a new source for the former. - In zone.tab, Pacific/Easter no longer mentions Salas y Gómez, as it is uninhabited. diff --git a/africa b/africa index 3a68f88..d55e7d0 100644 --- a/africa +++ b/africa @@ -64,6 +64,7 @@ # 3:00 CAST Central Africa Summer Time (no longer used) # 3:00 SAST South Africa Summer Time (no longer used) # 3:00 EAT East Africa Time +# 4:00 EAST East Africa Summer Time (no longer used) # Algeria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -104,21 +105,45 @@ Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01 1:00 - CET # Angola +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Luanda 0:52:56 - LMT 1892 + 0:52:04 - AOT 1911 May 26 # Angola Time + 1:00 - WAT + # Benin -# See Africa/Lagos. +# Whitman says they switched to 1:00 in 1946, not 1934; +# go with Shanks & Pottenger. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Porto-Novo 0:10:28 - LMT 1912 + 0:00 - GMT 1934 Feb 26 + 1:00 - WAT # Botswana -# Milne says they were regulated by the Cape Town Signal in 1899. -# See Africa/Maputo. +# From Paul Eggert (2013-02-21): +# Milne says they were regulated by the Cape Town Signal in 1899; +# assume they switched to 2:00 when Cape Town did. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Gaborone 1:43:40 - LMT 1885 + 1:30 - SAST 1903 Mar + 2:00 - CAT 1943 Sep 19 2:00 + 2:00 1:00 CAST 1944 Mar 19 2:00 + 2:00 - CAT # Burkina Faso -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Ouagadougou -0:06:04 - LMT 1912 + 0:00 - GMT # Burundi -# See Africa/Maputo. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Bujumbura 1:57:28 - LMT 1890 + 2:00 - CAT # Cameroon -# See Africa/Lagos. +# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Douala 0:38:48 - LMT 1912 + 1:00 - WAT # Cape Verde # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -129,7 +154,9 @@ Zone Atlantic/Cape_Verde -1:34:04 - LMT 1907 # Praia -1:00 - CVT # Central African Republic -# See Africa/Lagos. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Bangui 1:14:20 - LMT 1912 + 1:00 - WAT # Chad # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -139,32 +166,31 @@ Zone Africa/Ndjamena 1:00:12 - LMT 1912 # N'Djamena 1:00 - WAT # Comoros -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Indian/Comoro 2:53:04 - LMT 1911 Jul # Moroni, Gran Comoro + 3:00 - EAT # Democratic Republic of Congo -# See Africa/Lagos for the western part of the country. -# See Africa/Maputo for the eastern part of the country. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Kinshasa 1:01:12 - LMT 1897 Nov 9 + 1:00 - WAT +Zone Africa/Lubumbashi 1:49:52 - LMT 1897 Nov 9 + 2:00 - CAT # Republic of the Congo -# See Africa/Lagos. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Brazzaville 1:01:08 - LMT 1912 + 1:00 - WAT # Côte D'Ivoire / Ivory Coast # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Abidjan -0:16:08 - LMT 1912 0:00 - GMT -Link Africa/Abidjan Africa/Bamako # Mali -Link Africa/Abidjan Africa/Banjul # Gambia -Link Africa/Abidjan Africa/Conakry # Guinea -Link Africa/Abidjan Africa/Dakar # Senegal -Link Africa/Abidjan Africa/Freetown # Sierra Leone -Link Africa/Abidjan Africa/Lome # Togo -Link Africa/Abidjan Africa/Nouakchott # Mauritania -Link Africa/Abidjan Africa/Ouagadougou # Burkina Faso -Link Africa/Abidjan Africa/Sao_Tome # São Tomé and Príncipe -Link Africa/Abidjan Atlantic/St_Helena # St Helena # Djibouti -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul + 3:00 - EAT ############################################################################### @@ -374,47 +400,56 @@ Zone Africa/Cairo 2:05:09 - LMT 1900 Oct 2:00 Egypt EE%sT # Equatorial Guinea -# See Africa/Lagos. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Malabo 0:35:08 - LMT 1912 + 0:00 - GMT 1963 Dec 15 + 1:00 - WAT # Eritrea -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Asmara 2:35:32 - LMT 1870 + 2:35:32 - AMT 1890 # Asmara Mean Time + 2:35:20 - ADMT 1936 May 5 # Adis Dera MT + 3:00 - EAT # Ethiopia -# From Paul Eggert (2014-07-09): -# Like the Swahili of Kenya and Tanzania, many Ethiopians keep a -# 12-hour clock starting at our 06:00, so their "8 o'clock" is our -# 02:00 or 14:00. Keep this in mind when you ask the time in Amharic. -# -# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time -# zones between 1870 and 1890, that they merged to 38E50 (2:35:20) in -# 1890, and that they switched to 3:00 on 1936-05-05. Perhaps 38E50 -# was for Adis Dera. Ignore this for now as it predates our 1970 -# cutoff, and it's quite likely wrong anyway. -# -# See Africa/Nairobi. +# From Paul Eggert (2006-03-22): +# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time zones +# between 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890. +# We'll guess that 38E50 is for Adis Dera. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Addis_Ababa 2:34:48 - LMT 1870 + 2:35:20 - ADMT 1936 May 5 # Adis Dera MT + 3:00 - EAT # Gabon -# See Africa/Lagos. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Libreville 0:37:48 - LMT 1912 + 1:00 - WAT # Gambia -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Banjul -1:06:36 - LMT 1912 + -1:06:36 - BMT 1935 # Banjul Mean Time + -1:00 - WAT 1964 + 0:00 - GMT # Ghana # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Whitman says DST was observed from 1931 to "the present"; -# Shanks & Pottenger say 1936 to 1942; -# and September 1 to January 1 is given by: -# Scott Keltie J, Epstein M (eds), The Statesman's Year-Book, -# 57th ed. Macmillan, London (1920), OCLC 609408015, pp xxviii. -# For lack of better info, assume DST was observed from 1920 to 1942. -Rule Ghana 1920 1942 - Sep 1 0:00 0:20 GHST -Rule Ghana 1920 1942 - Dec 31 0:00 0 GMT +# go with Shanks & Pottenger. +Rule Ghana 1936 1942 - Sep 1 0:00 0:20 GHST +Rule Ghana 1936 1942 - Dec 31 0:00 0 GMT # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Accra -0:00:52 - LMT 1918 0:00 Ghana %s # Guinea -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Conakry -0:54:52 - LMT 1912 + 0:00 - GMT 1934 Feb 26 + -1:00 - WAT 1960 + 0:00 - GMT # Guinea-Bissau # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -429,18 +464,13 @@ Zone Africa/Nairobi 2:27:16 - LMT 1928 Jul 2:30 - BEAT 1940 2:45 - BEAUT 1960 3:00 - EAT -Link Africa/Nairobi Africa/Addis_Ababa # Ethiopia -Link Africa/Nairobi Africa/Asmara # Eritrea -Link Africa/Nairobi Africa/Dar_es_Salaam # Tanzania -Link Africa/Nairobi Africa/Djibouti -Link Africa/Nairobi Africa/Kampala # Uganda -Link Africa/Nairobi Africa/Mogadishu # Somalia -Link Africa/Nairobi Indian/Antananarivo # Madagascar -Link Africa/Nairobi Indian/Comoro -Link Africa/Nairobi Indian/Mayotte # Lesotho -# See Africa/Johannesburg. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Maseru 1:50:00 - LMT 1903 Mar + 2:00 - SAST 1943 Sep 19 2:00 + 2:00 1:00 SAST 1944 Mar 19 2:00 + 2:00 - SAST # Liberia # From Paul Eggert (2006-03-22): @@ -515,14 +545,30 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920 2:00 - EET # Madagascar -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul + 3:00 - EAT 1954 Feb 27 23:00s + 3:00 1:00 EAST 1954 May 29 23:00s + 3:00 - EAT # Malawi -# See Africa/Maputo. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Blantyre 2:20:00 - LMT 1903 Mar + 2:00 - CAT # Mali +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Bamako -0:32:00 - LMT 1912 + 0:00 - GMT 1934 Feb 26 + -1:00 - WAT 1960 Jun 20 + 0:00 - GMT + # Mauritania -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Nouakchott -1:03:48 - LMT 1912 + 0:00 - GMT 1934 Feb 26 + -1:00 - WAT 1960 Nov 28 + 0:00 - GMT # Mauritius @@ -619,7 +665,8 @@ Zone Indian/Mauritius 3:50:00 - LMT 1907 # Port Louis # Mayotte # Zone NAME GMTOFF RULES FORMAT [UNTIL] -# See Africa/Nairobi. +Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou + 3:00 - EAT # Morocco # See the 'europe' file for Spanish Morocco (Africa/Ceuta). @@ -920,13 +967,6 @@ Zone Africa/El_Aaiun -0:52:48 - LMT 1934 Jan # El Aaiún # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Maputo 2:10:20 - LMT 1903 Mar 2:00 - CAT -Link Africa/Maputo Africa/Blantyre # Malawi -Link Africa/Maputo Africa/Bujumbura # Burundi -Link Africa/Maputo Africa/Gaborone # Botswana -Link Africa/Maputo Africa/Harare # Zimbabwe -Link Africa/Maputo Africa/Kigali # Rwanda -Link Africa/Maputo Africa/Lubumbashi # E Dem. Rep. of Congo -Link Africa/Maputo Africa/Lusaka # Zambia # Namibia # The 1994-04-03 transition is from Shanks & Pottenger. @@ -958,21 +998,16 @@ Zone Africa/Windhoek 1:08:24 - LMT 1892 Feb 8 1:00 Namibia WA%sT # Niger -# See Africa/Lagos. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Niamey 0:08:28 - LMT 1912 + -1:00 - WAT 1934 Feb 26 + 0:00 - GMT 1960 + 1:00 - WAT # Nigeria # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Africa/Lagos 0:13:36 - LMT 1919 Sep 1:00 - WAT -Link Africa/Lagos Africa/Bangui # Central African Republic -Link Africa/Lagos Africa/Brazzaville # Rep. of the Congo -Link Africa/Lagos Africa/Douala # Cameroon -Link Africa/Lagos Africa/Kinshasa # W Dem. Rep. of the Congo -Link Africa/Lagos Africa/Libreville # Gabon -Link Africa/Lagos Africa/Luanda # Angola -Link Africa/Lagos Africa/Malabo # Equatorial Guinea -Link Africa/Lagos Africa/Niamey # Niger -Link Africa/Lagos Africa/Porto-Novo # Benin # Réunion # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -994,11 +1029,16 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis # Tromelin - inhabited until at least 1958 # Rwanda -# See Africa/Maputo. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Kigali 2:00:16 - LMT 1935 Jun + 2:00 - CAT # St Helena -# See Africa/Abidjan. -# The parts of the St Helena territory are similar: +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Atlantic/St_Helena -0:22:48 - LMT 1890 # Jamestown + -0:22:48 - JMT 1951 # Jamestown Mean Time + 0:00 - GMT +# The other parts of the St Helena territory are similar: # Tristan da Cunha: on GMT, say Whitman and the CIA # Ascension: on GMT, say the USNO (1995-12-21) and the CIA # Gough (scientific station since 1955; sealers wintered previously): @@ -1006,8 +1046,16 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis # Inaccessible, Nightingale: uninhabited # São Tomé and Príncipe +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Sao_Tome 0:26:56 - LMT 1884 + -0:36:32 - LMT 1912 # Lisbon Mean Time + 0:00 - GMT + # Senegal -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Dakar -1:09:44 - LMT 1912 + -1:00 - WAT 1941 Jun + 0:00 - GMT # Seychelles # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -1021,10 +1069,24 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria # Possibly the islands were uninhabited. # Sierra Leone -# See Africa/Abidjan. +# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks & Pottenger. +Rule SL 1935 1942 - Jun 1 0:00 0:40 SLST +Rule SL 1935 1942 - Oct 1 0:00 0 WAT +Rule SL 1957 1962 - Jun 1 0:00 1:00 SLST +Rule SL 1957 1962 - Sep 1 0:00 0 GMT +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Freetown -0:53:00 - LMT 1882 + -0:53:00 - FMT 1913 Jun # Freetown Mean Time + -1:00 SL %s 1957 + 0:00 SL %s # Somalia -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Mogadishu 3:01:28 - LMT 1893 Nov + 3:00 - EAT 1931 + 2:30 - BEAT 1957 + 3:00 - EAT # South Africa # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1034,9 +1096,6 @@ Rule SA 1943 1944 - Mar Sun>=15 2:00 0 - Zone Africa/Johannesburg 1:52:00 - LMT 1892 Feb 8 1:30 - SAST 1903 Mar 2:00 SA SAST -Link Africa/Johannesburg Africa/Maseru # Lesotho -Link Africa/Johannesburg Africa/Mbabane # Swaziland -# # Marion and Prince Edward Is # scientific station since 1947 # no information @@ -1064,13 +1123,21 @@ Zone Africa/Khartoum 2:10:08 - LMT 1931 Link Africa/Khartoum Africa/Juba # Swaziland -# See Africa/Johannesburg. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Mbabane 2:04:24 - LMT 1903 Mar + 2:00 - SAST # Tanzania -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Dar_es_Salaam 2:37:08 - LMT 1931 + 3:00 - EAT 1948 + 2:45 - BEAUT 1961 + 3:00 - EAT # Togo -# See Africa/Abidjan. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Lome 0:04:52 - LMT 1893 + 0:00 - GMT # Tunisia @@ -1173,8 +1240,19 @@ Zone Africa/Tunis 0:40:44 - LMT 1881 May 12 1:00 Tunisia CE%sT # Uganda -# See Africa/Nairobi. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Kampala 2:09:40 - LMT 1928 Jul + 3:00 - EAT 1930 + 2:30 - BEAT 1948 + 2:45 - BEAUT 1957 + 3:00 - EAT # Zambia +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Lusaka 1:53:08 - LMT 1903 Mar + 2:00 - CAT + # Zimbabwe -# See Africa/Maputo. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Africa/Harare 2:04:12 - LMT 1903 Mar + 2:00 - CAT diff --git a/asia b/asia index 5ee4522..4d9faeb 100644 --- a/asia +++ b/asia @@ -140,7 +140,10 @@ Zone Asia/Baku 3:19:24 - LMT 1924 May 2 4:00 Azer AZ%sT # Bahrain -# See Asia/Qatar. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah + 4:00 - GST 1972 Jun + 3:00 - AST # Bangladesh # From Alexander Krivenyshev (2009-05-13): @@ -263,8 +266,12 @@ Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon 6:30 - MMT # Myanmar Time # Cambodia -# See Asia/Bangkok. - +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 + 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? + 7:00 - ICT 1912 May + 8:00 - ICT 1931 May + 7:00 - ICT # China @@ -1690,10 +1697,25 @@ Zone Asia/Pyongyang 8:23:00 - LMT 1890 ############################################################################### # Kuwait -# See Asia/Riyadh. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +# From the Arab Times (2007-03-14): +# The Civil Service Commission (CSC) has approved a proposal forwarded +# by MP Ahmad Baqer on implementing the daylight saving time (DST) in +# Kuwait starting from April until the end of Sept this year, reports Al-Anba. +# . +# From Paul Eggert (2007-03-29): +# We don't know the details, or whether the approval means it'll happen, +# so for now we assume no DST. +Zone Asia/Kuwait 3:11:56 - LMT 1950 + 3:00 - AST # Laos -# See Asia/Bangkok. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # or Viangchan + 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? + 7:00 - ICT 1912 May + 8:00 - ICT 1931 May + 7:00 - ICT # Lebanon # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1910,7 +1932,12 @@ Zone Asia/Kathmandu 5:41:16 - LMT 1920 5:45 - NPT # Nepal Time # Oman -# See Asia/Dubai. + +# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory. + +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Muscat 3:54:24 - LMT 1920 + 4:00 - GST # Pakistan @@ -2410,35 +2437,11 @@ Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31 Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha 4:00 - GST 1972 Jun 3:00 - AST -Link Asia/Qatar Asia/Bahrain # Saudi Arabia -# -# From Paul Eggert (2014-07-15): -# Time in Saudi Arabia and other countries in the Arabian peninsula was not -# standardized until relatively recently; we don't know when, and possibly it -# has never been made official. Richard P Hunt, in "Islam city yielding to -# modern times", New York Times (1961-04-09), p 20, wrote that only airlines -# observed standard time, and that people in Jidda mostly observed quasi-solar -# time, doing so by setting their watches at sunrise to 6 o'clock (or to 12 -# o'clock for "Arab" time). -# -# The TZ database cannot represent quasi-solar time; airline time is the best -# we can do. The 1946 foreign air news digest of the U.S. Civil Aeronautics -# Board (OCLC 42299995) reported that the "... Arabian Government, inaugurated -# a weekly Dhahran-Cairo service, via the Saudi Arabian cities of Riyadh and -# Jidda, on March 14, 1947". Shanks & Pottenger guessed 1950; go with the -# earlier date. -# -# Shanks & Pottenger also state that until 1968-05-01 Saudi Arabia had two -# time zones; the other zone, at UTC+4, was in the far eastern part of -# the country. Ignore this, as it's before our 1970 cutoff. -# # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14 +Zone Asia/Riyadh 3:06:52 - LMT 1950 3:00 - AST -Link Asia/Riyadh Asia/Aden # Yemen -Link Asia/Riyadh Asia/Kuwait # Singapore # The data here are taken from Mok Ly Yng (2003-10-30) @@ -2711,12 +2714,6 @@ Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 Zone Asia/Bangkok 6:42:04 - LMT 1880 6:42:04 - BMT 1920 Apr # Bangkok Mean Time 7:00 - ICT -# From Arthur David Olson (2008-03-18): -# The English-language name of Vietnam's most populous city is "Ho Chi Minh -# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters. -Link Asia/Bangkok Asia/Ho_Chi_Minh # Vietnam -Link Asia/Bangkok Asia/Phnom_Penh # Cambodia -Link Asia/Bangkok Asia/Vientiane # Laos # Turkmenistan # From Shanks & Pottenger. @@ -2732,7 +2729,6 @@ Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Dubai 3:41:12 - LMT 1920 4:00 - GST -Link Asia/Dubai Asia/Muscat # Oman # Uzbekistan # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -2753,8 +2749,30 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 5:00 - UZT # Vietnam -# See Asia/Bangkok. +# From Paul Eggert (2013-02-21): +# Milne gives 7:16:56 for the meridian of Saigon in 1899, as being +# used in Lower Laos, Cambodia, and Annam. But this is quite a ways +# from Saigon's location. For now, ignore this and stick with Shanks +# and Pottenger. + +# From Arthur David Olson (2008-03-18): +# The English-language name of Vietnam's most populous city is "Ho Chi Minh +# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters. + +# From Shanks & Pottenger: +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jun 9 + 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? + 7:00 - ICT 1912 May + 8:00 - ICT 1931 May + 7:00 - ICT # Yemen -# See Asia/Riyadh. + +# Milne says 2:59:54 was the meridian of the saluting battery at Aden, +# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia. + +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Aden 2:59:54 - LMT 1950 + 3:00 - AST diff --git a/australasia b/australasia index db94107..605d8dd 100644 --- a/australasia +++ b/australasia @@ -366,7 +366,6 @@ Zone Pacific/Guam -14:21:00 - LMT 1844 Dec 31 9:39:00 - LMT 1901 # Agana 10:00 - GST 2000 Dec 23 # Guam 10:00 - ChST # Chamorro Standard Time -Link Pacific/Guam Pacific/Saipan # N Mariana Is # Kiribati # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -382,7 +381,12 @@ Zone Pacific/Kiritimati -10:29:20 - LMT 1901 14:00 - LINT # N Mariana Is -# See Pacific/Guam. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31 + 9:43:00 - LMT 1901 + 9:00 - MPT 1969 Oct # N Mariana Is Time + 10:00 - MPT 2000 Dec 23 + 10:00 - ChST # Chamorro Standard Time # Marshall Is # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -462,8 +466,7 @@ Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 S Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2 11:30 NZ NZ%sT 1946 Jan 1 12:00 NZ NZ%sT -Zone Pacific/Chatham 12:13:48 - LMT 1868 Nov 2 - 12:15 - CHAST 1946 Jan 1 +Zone Pacific/Chatham 12:13:48 - LMT 1957 Jan 1 12:45 Chatham CHA%sT Link Pacific/Auckland Antarctica/McMurdo @@ -525,10 +528,10 @@ Zone Pacific/Pitcairn -8:40:20 - LMT 1901 # Adamstown # American Samoa Zone Pacific/Pago_Pago 12:37:12 - LMT 1879 Jul 5 -11:22:48 - LMT 1911 + -11:30 - SAMT 1950 # Samoa Time -11:00 - NST 1967 Apr # N=Nome -11:00 - BST 1983 Nov 30 # B=Bering -11:00 - SST # S=Samoa -Link Pacific/Pago_Pago Pacific/Midway # in US minor outlying islands # Samoa (formerly and also known as Western Samoa) @@ -600,15 +603,15 @@ Link Pacific/Pago_Pago Pacific/Midway # in US minor outlying islands # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule WS 2010 only - Sep lastSun 0:00 1 D -Rule WS 2011 only - Apr Sat>=1 4:00 0 S +Rule WS 2011 only - Apr Sat>=1 4:00 0 - Rule WS 2011 only - Sep lastSat 3:00 1 D -Rule WS 2012 max - Apr Sun>=1 4:00 0 S +Rule WS 2012 max - Apr Sun>=1 4:00 0 - Rule WS 2012 max - Sep lastSun 3:00 1 D # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Apia 12:33:04 - LMT 1879 Jul 5 -11:26:56 - LMT 1911 - -11:30 - WSST 1950 - -11:00 WS S%sT 2011 Dec 29 24:00 # S=Samoa + -11:30 - SAMT 1950 # Samoa Time + -11:00 WS WS%sT 2011 Dec 29 24:00 13:00 WS WS%sT # Solomon Is @@ -721,7 +724,12 @@ Zone Pacific/Funafuti 11:56:52 - LMT 1901 # Fri. 6:30A Lv. HONOLOLU (Pearl Harbor), H.I. H.L.T. Ar. 5:30P Sun. # " 3:00P Ar. MIDWAY ISLAND . . . . . . . . . M.L.T. Lv. 6:00A " # -# See Pacific/Pago_Pago. +Zone Pacific/Midway -11:49:28 - LMT 1901 + -11:00 - NST 1956 Jun 3 + -11:00 1:00 NDT 1956 Sep 2 + -11:00 - NST 1967 Apr # N=Nome + -11:00 - BST 1983 Nov 30 # B=Bering + -11:00 - SST # S=Samoa # Palmyra # uninhabited since World War II; was probably like Pacific/Kiritimati @@ -796,10 +804,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # 10:30 LHST LHDT Lord Howe* # 11:30 NZMT NZST New Zealand through 1945 # 12:00 NZST NZDT New Zealand 1946-present -# 12:15 CHAST Chatham through 1945* -# 12:45 CHAST CHADT Chatham 1946-present* -# 13:00 WSST WSDT (western) Samoa 2011-present* -# -11:30 WSST Western Samoa through 1950* +# 12:45 CHAST CHADT Chatham* # -11:00 SST Samoa # -10:00 HST Hawaii # - 8:00 PST Pitcairn* @@ -1424,19 +1429,6 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # that DST will begin on 2007-09-30 2008-04-06. # http://www.dia.govt.nz/diawebsite.nsf/wpg_URL/Services-Daylight-Saving-Daylight-saving-to-be-extended -# From Paul Eggert (2017-07-14): -# Chatham Island time was formally standardized on 1957-01-01 by -# New Zealand's Standard Time Amendment Act 1956 (1956-10-26) -# . -# According to Google Books snippet view, a speaker in the New Zealand -# parliamentary debates in 1956 said "Clause 78 makes provision for standard -# time in the Chatham Islands. The time there is 45 minutes in advance of New -# Zealand time. I understand that is the time they keep locally, anyhow." -# For now, assume this practice goes back to the introduction of standard time -# in New Zealand, as this would make Chatham Islands time almost exactly match -# LMT back when New Zealand was at UTC+11:30; also, assume Chatham Islands did -# not observe New Zealand's prewar DST. - ############################################################################### @@ -1554,7 +1546,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Sacramento but it was changed a couple of years ago. -# (Western) Samoa and American Samoa +# Samoa # Howse writes (p 153, citing p 10 of the 1883-11-18 New York Herald) # that in 1879 the King of Samoa decided to change @@ -1562,14 +1554,6 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # ordaining - by a masterpiece of diplomatic flattery - that # the Fourth of July should be celebrated twice in that year." -# Although Shanks & Pottenger says they both switched to UTC-11:30 -# in 1911, and to UTC-11 in 1950. many earlier sources give UTC-11 -# for American Samoa, e.g., the US National Bureau of Standards -# circular "Standard Time Throughout the World", 1932. -# Assume American Samoa switched to UTC-11 in 1911, not 1950, -# and that after 1950 they agreed until (western) Samoa subtracted a -# day in 2011. Assume also that the Samoas follow the US and New -# Zealand's "ST"/"DT" style of daylight-saving abbreviations. # Tonga diff --git a/backward b/backward index 7d84bfb..50952e8 100644 --- a/backward +++ b/backward @@ -4,8 +4,8 @@ # This file provides links between current names for time zones # and their old names. Many names changed in late 1993. -Link Africa/Nairobi Africa/Asmera -Link Africa/Abidjan Africa/Timbuktu +Link Africa/Asmara Africa/Asmera +Link Africa/Bamako Africa/Timbuktu Link America/Argentina/Catamarca America/Argentina/ComodRivadavia Link America/Adak America/Atka Link America/Argentina/Buenos_Aires America/Buenos_Aires @@ -33,7 +33,7 @@ Link Asia/Shanghai Asia/Harbin Link Asia/Urumqi Asia/Kashgar Link Asia/Kathmandu Asia/Katmandu Link Asia/Macau Asia/Macao -Link Asia/Bangkok Asia/Saigon +Link Asia/Ho_Chi_Minh Asia/Saigon Link Asia/Jerusalem Asia/Tel_Aviv Link Asia/Thimphu Asia/Thimbu Link Asia/Makassar Asia/Ujung_Pandang diff --git a/europe b/europe index 6400783..578854f 100644 --- a/europe +++ b/europe @@ -1311,20 +1311,15 @@ Zone Europe/Athens 1:34:52 - LMT 1895 Sep 14 2:00 EU EE%sT # Hungary -# From Paul Eggert (2014-07-15): -# Dates for 1916-1945 are taken from: -# Oross A. Jelen a múlt jövője: a nyári időszámítás Magyarországon 1916-1945. -# National Archives of Hungary (2012-10-29). -# http://mnl.gov.hu/a_het_dokumentuma/a_nyari_idoszamitas_magyarorszagon_19161945.html -# This source does not always give times, which are taken from Shanks -# & Pottenger (which disagree about the dates). # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Hungary 1918 only - Apr 1 3:00 1:00 S -Rule Hungary 1918 only - Sep 16 3:00 0 - +Rule Hungary 1918 only - Sep 29 3:00 0 - Rule Hungary 1919 only - Apr 15 3:00 1:00 S -Rule Hungary 1919 only - Nov 24 3:00 0 - +Rule Hungary 1919 only - Sep 15 3:00 0 - +Rule Hungary 1920 only - Apr 5 3:00 1:00 S +Rule Hungary 1920 only - Sep 30 3:00 0 - Rule Hungary 1945 only - May 1 23:00 1:00 S -Rule Hungary 1945 only - Nov 1 0:00 0 - +Rule Hungary 1945 only - Nov 3 0:00 0 - Rule Hungary 1946 only - Mar 31 2:00s 1:00 S Rule Hungary 1946 1949 - Oct Sun>=1 2:00s 0 - Rule Hungary 1947 1949 - Apr Sun>=4 2:00s 1:00 S @@ -1340,7 +1335,7 @@ Rule Hungary 1980 only - Apr 6 1:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Europe/Budapest 1:16:20 - LMT 1890 Oct 1:00 C-Eur CE%sT 1918 - 1:00 Hungary CE%sT 1941 Apr 8 + 1:00 Hungary CE%sT 1941 Apr 6 2:00 1:00 C-Eur CE%sT 1945 1:00 Hungary CE%sT 1980 Sep 28 2:00s 1:00 EU CE%sT @@ -1902,10 +1897,6 @@ Zone Europe/Oslo 0:43:00 - LMT 1895 Jan 1 Link Europe/Oslo Arctic/Longyearbyen # Poland - -# The 1919 dates and times can be found in Tygodnik Urzędowy nr 1 (1919-03-20), -# pp 1-2. - # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Poland 1918 1919 - Sep 16 2:00s 0 - Rule Poland 1919 only - Apr 15 2:00s 1:00 S diff --git a/northamerica b/northamerica index 1b6bb23..83ed518 100644 --- a/northamerica +++ b/northamerica @@ -1348,6 +1348,7 @@ Zone America/Moncton -4:19:08 - LMT 1883 Dec 9 # says this common practice was codified into law as of 2007. # For lack of better info, guess this practice began around 1970, contra to # Shanks & Pottenger who have this region observing AST/ADT. +# for post-1970 data America/Puerto_Rico. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mont 1917 only - Mar 25 2:00 1:00 D @@ -2495,8 +2496,13 @@ Zone America/Santa_Isabel -7:39:28 - LMT 1922 Jan 1 0:20:32 ############################################################################### # Anguilla +# See 'southamerica'. + # Antigua and Barbuda -# See America/Port_of_Spain. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Antigua -4:07:12 - LMT 1912 Mar 2 + -5:00 - EST 1951 + -4:00 - AST # Bahamas # @@ -2563,7 +2569,10 @@ Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton -4:00 US A%sT # Cayman Is -Link America/Panama America/Cayman +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown + -5:07:11 - KMT 1912 Feb # Kingston Mean Time + -5:00 - EST # Costa Rica @@ -2790,7 +2799,7 @@ Zone America/Havana -5:29:28 - LMT 1890 -5:00 Cuba C%sT # Dominica -# See America/Port_of_Spain. +# See 'southamerica'. # Dominican Republic @@ -2842,7 +2851,7 @@ Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador # Guadeloupe # St Barthélemy # St Martin (French part) -# See America/Port_of_Spain. +# See 'southamerica'. # Guatemala # @@ -3003,7 +3012,7 @@ Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France -4:00 - AST # Montserrat -# See America/Port_of_Spain. +# See 'southamerica'. # Nicaragua # @@ -3086,7 +3095,7 @@ Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan # St Kitts-Nevis # St Lucia -# See America/Port_of_Spain. +# See 'southamerica'. # St Pierre and Miquelon # There are too many St Pierres elsewhere, so we'll use 'Miquelon'. @@ -3097,7 +3106,7 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre -3:00 Canada PM%sT # St Vincent and the Grenadines -# See America/Port_of_Spain. +# See 'southamerica'. # Turks and Caicos # @@ -3132,7 +3141,7 @@ Zone America/Grand_Turk -4:44:32 - LMT 1890 # British Virgin Is # Virgin Is -# See America/Port_of_Spain. +# See 'southamerica'. # Local Variables: diff --git a/southamerica b/southamerica index d11435a..de1f15e 100644 --- a/southamerica +++ b/southamerica @@ -1593,7 +1593,6 @@ Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 # These all agree with Trinidad and Tobago since 1970. Link America/Port_of_Spain America/Anguilla -Link America/Port_of_Spain America/Antigua Link America/Port_of_Spain America/Dominica Link America/Port_of_Spain America/Grenada Link America/Port_of_Spain America/Guadeloupe -- 1.7.9