1# This file is in the public domain, so clarified as of 2# 2009-05-17 by Arthur David Olson. 3 |
4# This file is by no means authoritative; if you think you know better, |
5# go ahead and edit the file (and please send any changes to |
6# tz@iana.org for general use in the future). For more, please see 7# the file CONTRIBUTING in the tz distribution. |
8 9# From Paul Eggert (2013-08-11): 10# 11# A good source for time zone historical data outside the U.S. is 12# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 13# San Diego: ACS Publications, Inc. (2003). 14# 15# Gwillim Law writes that a good source --- 5 unchanged lines hidden (view full) --- 21# Except where otherwise noted, Shanks & Pottenger is the source for 22# entries through 1990, and IATA SSIM is the source for entries afterwards. 23# 24# Another source occasionally used is Edward W. Whitman, World Time Differences, 25# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which 26# I found in the UCLA library. 27# 28# For data circa 1899, a common source is: |
29# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94. 30# http://www.jstor.org/stable/1774359 |
31# |
32# For Russian data circa 1919, a source is: 33# Byalokoz EL. New Counting of Time in Russia since July 1, 1919. 34# (See the 'europe' file for a fuller citation.) 35# |
36# A reliable and entertaining source about time zones is 37# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). 38# 39# I invented the abbreviations marked '*' in the following table; 40# the rest are from earlier versions of this file, or from other sources. 41# Corrections are welcome! 42# std dst 43# LMT Local Mean Time 44# 2:00 EET EEST Eastern European Time 45# 2:00 IST IDT Israel 46# 3:00 AST ADT Arabia* 47# 3:30 IRST IRDT Iran 48# 4:00 GST Gulf* 49# 5:30 IST India |
50# 7:00 ICT Indochina, most times and locations* |
51# 7:00 WIB west Indonesia (Waktu Indonesia Barat) 52# 8:00 WITA central Indonesia (Waktu Indonesia Tengah) 53# 8:00 CST China |
54# 8:00 IDT Indochina, 1943-45, 1947-55, 1960-75 (some locations)* |
55# 8:00 JWST Western Standard Time (Japan, 1896/1937)* 56# 9:00 JCST Central Standard Time (Japan, 1896/1937) 57# 9:00 WIT east Indonesia (Waktu Indonesia Timur) 58# 9:00 JST JDT Japan 59# 9:00 KST KDT Korea 60# 9:30 ACST Australian Central Standard Time 61# 62# See the 'europe' file for Russia and Turkey in Asia. --- 53 unchanged lines hidden (view full) --- 116# Law "On procedure of calculation time on the territory of the Republic of 117# Armenia" according to which Armenia [is] abolishing Daylight Saving Time. 118# or 119# (brief) 120# http://www.worldtimezone.com/dst_news/dst_news_armenia03.html 121# Zone NAME GMTOFF RULES FORMAT [UNTIL] 122Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 123 3:00 - YERT 1957 Mar # Yerevan Time |
124 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s |
125 3:00 1:00 YERST 1991 Sep 23 # independence |
126 3:00 RussiaAsia AM%sT 1995 Sep 24 2:00s |
127 4:00 - AMT 1997 |
128 4:00 RussiaAsia AM%sT 2012 Mar 25 2:00s |
129 4:00 - AMT 130 131# Azerbaijan 132# From Rustam Aliyev of the Azerbaijan Internet Forum (2005-10-23): 133# According to the resolution of Cabinet of Ministers, 1997 134# Resolution available at: http://aif.az/docs/daylight_res.pdf 135# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 136Rule Azer 1997 max - Mar lastSun 4:00 1:00 S 137Rule Azer 1997 max - Oct lastSun 5:00 0 - 138# Zone NAME GMTOFF RULES FORMAT [UNTIL] 139Zone Asia/Baku 3:19:24 - LMT 1924 May 2 140 3:00 - BAKT 1957 Mar # Baku Time |
141 4:00 RussiaAsia BAK%sT 1991 Mar 31 2:00s |
142 3:00 1:00 BAKST 1991 Aug 30 # independence 143 3:00 RussiaAsia AZ%sT 1992 Sep lastSat 23:00 |
144 4:00 - AZT 1996 # Azerbaijan Time |
145 4:00 EUAsia AZ%sT 1997 146 4:00 Azer AZ%sT 147 148# Bahrain 149# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
150Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah |
151 4:00 - GST 1972 Jun 152 3:00 - AST 153 154# Bangladesh 155# From Alexander Krivenyshev (2009-05-13): 156# According to newspaper Asian Tribune (May 6, 2009) Bangladesh may introduce 157# Daylight Saving Time from June 16 to Sept 30 158# --- 61 unchanged lines hidden (view full) --- 220# From Alexander Krivenyshev (2010-03-22): 221# According to Bangladesh newspaper "The Daily Star," 222# Cabinet cancels Daylight Saving Time 223# http://www.thedailystar.net/newDesign/latest_news.php?nid=22817 224# http://www.worldtimezone.com/dst_news/dst_news_bangladesh06.html 225 226# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 227Rule Dhaka 2009 only - Jun 19 23:00 1:00 S |
228Rule Dhaka 2009 only - Dec 31 24:00 0 - |
229 230# Zone NAME GMTOFF RULES FORMAT [UNTIL] 231Zone Asia/Dhaka 6:01:40 - LMT 1890 232 5:53:20 - HMT 1941 Oct # Howrah Mean Time? 233 6:30 - BURT 1942 May 15 # Burma Time 234 5:30 - IST 1942 Sep 235 6:30 - BURT 1951 Sep 30 236 6:00 - DACT 1971 Mar 26 # Dacca Time --- 14 unchanged lines hidden (view full) --- 251# then contained the Chagos Archipelago). 252# Zone NAME GMTOFF RULES FORMAT [UNTIL] 253Zone Indian/Chagos 4:49:40 - LMT 1907 254 5:00 - IOT 1996 # BIOT Time 255 6:00 - IOT 256 257# Brunei 258# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
259Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan |
260 7:30 - BNT 1933 261 8:00 - BNT 262 263# Burma / Myanmar 264 265# Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon. 266 267# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
268Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon 269 6:24:40 - RMT 1920 # Rangoon Mean Time? 270 6:30 - BURT 1942 May # Burma Time 271 9:00 - JST 1945 May 3 272 6:30 - MMT # Myanmar Time |
273 274# Cambodia |
275# See Asia/Bangkok. |
276 |
277 |
278# China 279 280# From Guy Harris: 281# People's Republic of China. Yes, they really have only one time zone. 282 283# From Bob Devine (1988-01-28): 284# No they don't. See TIME mag, 1986-02-17 p.52. Even though 285# China is across 4 physical time zones, before Feb 1, 1986 only the --- 67 unchanged lines hidden (view full) --- 353# Guo Qing-sheng (Shaanxi Astronomical Observatory, CAS, Xi'an 710600, China) 354# A Study on the Standard Time Changes for the Past 100 Years in China 355# [undated and unknown publication location] 356# It says several things: 357# * The Qing dynasty used local apparent solar time throughout China. 358# * The Republic of China instituted Beijing mean solar time effective 359# the official calendar book of 1914. 360# * The French Concession in Shanghai set up signal stations in |
361# French docks in the 1890s, controlled by Xujiahui (Zikawei) 362# Observatory and set to local mean time. |
363# * "From the end of the 19th century" it changed to UT+8. 364# * Chinese Customs (by then reduced to a tool of foreign powers) 365# eventually standardized on this time for all ports, and it 366# became used by railways as well. 367# * In 1918 the Central Observatory proposed dividing China into 368# five time zones (see below for details). This caught on 369# at first only in coastal areas observing UT+8. 370# * During WWII all of China was in theory was at UT+7. In practice --- 7 unchanged lines hidden (view full) --- 378# 379# An AP article "Shanghai Internat'l Area Little Changed" in the 380# Lewiston (ME) Daily Sun (1939-05-29), p 17, said "Even the time is 381# different - the occupied districts going by Tokyo time, an hour 382# ahead of that prevailing in the rest of Shanghai." Guess that the 383# Xujiahui Observatory was under French control and stuck with UT+8. 384# 385# In earlier versions of this file, China had many separate Zone entries, but |
386# this was based on what were apparently incorrect data in Shanks & Pottenger. |
387# This has now been simplified to the two entries Asia/Shanghai and 388# Asia/Urumqi, with the others being links for backward compatibility. 389# Proposed in 1918 and theoretically in effect until 1949 (although in practice 390# mainly observed in coastal areas), the five zones were: 391# 392# Changbai Time ("Long-white Time", Long-white = Heilongjiang area) UT+8.5 393# Asia/Harbin (currently a link to Asia/Shanghai) 394# Heilongjiang (except Mohe county), Jilin --- 103 unchanged lines hidden (view full) --- 498# Memories of life in Lhasa under Chinese Rule, Columbia U Press, ISBN 499# 978-0231142861 (2008), translator's introduction by Matthew Akester, p x. 500# As this is before our 1970 cutoff, Tibet doesn't need a separate zone. 501# 502# Xinjiang Time is well-documented as being officially recognized. E.g., see 503# "The Working-Calendar for The Xinjiang Uygur Autonomous Region Government" 504# <http://www.sinkiang.gov.cn/service/ourworking/> (2014-04-22). 505# Unfortunately, we have no good records of time in Xinjiang before 1986. |
506# During the 20th century parts of Xinjiang were ruled by the Qing dynasty, |
507# the Republic of China, various warlords, the First and Second East Turkestan 508# Republics, the Soviet Union, the Kuomintang, and the People's Republic of 509# China, and tracking down all these organizations' timekeeping rules would be 510# quite a trick. Approximate this lost history by a transition from LMT to 511# XJT at the start of 1928, the year of accession of the warlord Jin Shuren, 512# which happens to be the date given by Shanks & Pottenger (no doubt as a 513# guess) as the transition from LMT. Ignore the usage of UT+8 before 514# 1986-02-01 under the theory that the transition date to UT+8 is unknown and --- 180 unchanged lines hidden (view full) --- 695# [1] Taiwan Governor-General Gazette, No. 1018, Sep 19, 1945: 696# http://db2.th.gov.tw/db2/view/viewImg.php?imgcode=0072031018a&num=19&bgn=019&end=019&otherImg=&type=gener 697 698# From Yu-Cheng Chuang (2014-07-02): 699# In 1946, DST in Taiwan was from May 15 and ended on Sep 30. The info from 700# Central Weather Bureau website was not correct. 701# 702# Original Bulletin: |
703# http://subtpg.tpg.gov.tw/og/image2.asp?f=03502F0AKM1AF 704# http://subtpg.tpg.gov.tw/og/image2.asp?f=0350300AKM1B0 (cont.) |
705# 706# In 1947, DST in Taiwan was expanded to Oct 31. There is a backup of that 707# telegram announcement from Taiwan Province Government: 708# |
709# http://subtpg.tpg.gov.tw/og/image2.asp?f=0360310AKZ431 |
710# 711# Here is a brief translation: 712# 713# The Summer Time this year is adopted from midnight Apr 15 until Sep 20 714# midnight. To save (energy?) consumption, we're expanding Summer Time |
715# adoption till Oct 31 midnight. |
716# 717# The Central Weather Bureau website didn't mention that, however it can 718# be found from historical government announcement database. 719 720# From Paul Eggert (2014-07-03): 721# As per Yu-Cheng Chuang, say that Taiwan was at UT+9 from 1937-10-01 722# until 1945-09-21 at 01:00, overriding Shanks & Pottenger. 723# Likewise, use Yu-Cheng Chuang's data for DST in Taiwan. --- 14 unchanged lines hidden (view full) --- 738Rule Taiwan 1974 1975 - Oct 1 0:00 0 S 739Rule Taiwan 1979 only - Jul 1 0:00 1:00 D 740Rule Taiwan 1979 only - Oct 1 0:00 0 S 741 742# Zone NAME GMTOFF RULES FORMAT [UNTIL] 743# Taipei or Taibei or T'ai-pei 744Zone Asia/Taipei 8:06:00 - LMT 1896 Jan 1 745 8:00 - JWST 1937 Oct 1 |
746 9:00 - JST 1945 Sep 21 1:00 |
747 8:00 Taiwan C%sT 748 749# Macau (Macao, Aomen) 750# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 751Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 S 752Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 - 753Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 S 754Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 S 755Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 S 756Rule Macau 1965 only - Oct 31 0:00 0 - 757Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 S 758Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 - 759Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 S 760Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 - 761Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 - 762Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 S 763Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 S 764Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 - 765# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
766Zone Asia/Macau 7:34:20 - LMT 1912 Jan 1 |
767 8:00 Macau MO%sT 1999 Dec 20 # return to China 768 8:00 PRC C%sT 769 770 771############################################################################### 772 773# Cyprus 774# --- 45 unchanged lines hidden (view full) --- 820# [Oct.] 30, as it was done before during last more than 10 years. 821# Currently, we are in fact GMT +4:00, as before 30 October it was GMT 822# +3:00.... The problem is, there is NO FORMAL LAW or governmental document 823# about it. As far as I can find, I was told, that there is no document, 824# because we just DIDN'T ISSUE document about switching to winter time.... 825# I don't know what can be done, especially knowing that some years ago our 826# DST rules where changed THREE TIMES during one month. 827 |
828# Milne 1899 says Tbilisi (Tiflis) time was 2:59:05.7. 829# Byalokoz 1919 says Georgia was 2:59:11. 830# Go with Byalokoz. |
831 832# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
833Zone Asia/Tbilisi 2:59:11 - LMT 1880 834 2:59:11 - TBMT 1924 May 2 # Tbilisi Mean Time |
835 3:00 - TBIT 1957 Mar # Tbilisi Time |
836 4:00 RussiaAsia TBI%sT 1991 Mar 31 2:00s |
837 3:00 1:00 TBIST 1991 Apr 9 # independence |
838 3:00 RussiaAsia GE%sT 1992 # Georgia Time |
839 3:00 E-EurAsia GE%sT 1994 Sep lastSun 840 4:00 E-EurAsia GE%sT 1996 Oct lastSun 841 4:00 1:00 GEST 1997 Mar lastSun 842 4:00 E-EurAsia GE%sT 2004 Jun 27 |
843 3:00 RussiaAsia GE%sT 2005 Mar lastSun 2:00 |
844 4:00 - GET 845 846# East Timor 847 848# See Indonesia for the 1945 transition. 849 850# From Jo��o Carrascal��o, brother of the former governor of East Timor, in 851# East Timor may be late for its millennium --- 11 unchanged lines hidden (view full) --- 863# http://www.hri.org/news/world/undh/2000/00-08-16.undh.html 864# (2000-08-16): 865# The Cabinet of the East Timor Transition Administration decided 866# today to advance East Timor's time by one hour. The time change, 867# which will be permanent, with no seasonal adjustment, will happen at 868# midnight on Saturday, September 16. 869 870# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
871Zone Asia/Dili 8:22:20 - LMT 1912 Jan 1 |
872 8:00 - TLT 1942 Feb 21 23:00 # E Timor Time 873 9:00 - JST 1945 Sep 23 874 9:00 - TLT 1976 May 3 |
875 8:00 - WITA 2000 Sep 17 0:00 |
876 9:00 - TLT 877 878# India 879# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
880Zone Asia/Kolkata 5:53:28 - LMT 1880 # Kolkata |
881 5:53:20 - HMT 1941 Oct # Howrah Mean Time? 882 6:30 - BURT 1942 May 15 # Burma Time 883 5:30 - IST 1942 Sep 884 5:30 1:00 IST 1945 Oct 15 885 5:30 - IST 886# The following are like Asia/Kolkata: 887# Andaman Is 888# Lakshadweep (Laccadive, Minicoy and Amindivi Is) 889# Nicobar Is 890 891# Indonesia 892# |
893# From Paul Eggert (2014-09-06): 894# The 1876 Report of the Secretary of the [US] Navy, p 306 says that Batavia 895# civil time was 7:07:12.5; round to even for Jakarta. 896# |
897# From Gwillim Law (2001-05-28), overriding Shanks & Pottenger: |
898# http://www.sumatera-inc.com/go_to_invest/about_indonesia.asp#standtime |
899# says that Indonesia's time zones changed on 1988-01-01. Looking at some 900# time zone maps, I think that must refer to Western Borneo (Kalimantan Barat 901# and Kalimantan Tengah) switching from UTC+8 to UTC+7. 902# 903# From Paul Eggert (2007-03-10): 904# Here is another correction to Shanks & Pottenger. 905# JohnTWB writes that Japanese forces did not surrender control in 906# Indonesia until 1945-09-01 00:00 at the earliest (in Jakarta) and --- 20 unchanged lines hidden (view full) --- 927# WIT - UTC+9 - Waktu Indonesia Timur (Indonesia eastern time) 928# 929# Zone NAME GMTOFF RULES FORMAT [UNTIL] 930# Java, Sumatra 931Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10 932# Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13, 933# but this must be a typo. 934 7:07:12 - BMT 1923 Dec 31 23:47:12 # Batavia |
935 7:20 - JAVT 1932 Nov # Java Time |
936 7:30 - WIB 1942 Mar 23 937 9:00 - JST 1945 Sep 23 938 7:30 - WIB 1948 May 939 8:00 - WIB 1950 May 940 7:30 - WIB 1964 941 7:00 - WIB 942# west and central Borneo 943Zone Asia/Pontianak 7:17:20 - LMT 1908 May --- 141 unchanged lines hidden (view full) --- 1085Rule Iran 2032 2033 - Mar 21 0:00 1:00 D 1086Rule Iran 2032 2033 - Sep 21 0:00 0 S 1087Rule Iran 2034 2035 - Mar 22 0:00 1:00 D 1088Rule Iran 2034 2035 - Sep 22 0:00 0 S 1089Rule Iran 2036 2037 - Mar 21 0:00 1:00 D 1090Rule Iran 2036 2037 - Sep 21 0:00 0 S 1091# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1092Zone Asia/Tehran 3:25:44 - LMT 1916 |
1093 3:25:44 - TMT 1946 # Tehran Mean Time |
1094 3:30 - IRST 1977 Nov 1095 4:00 Iran IR%sT 1979 1096 3:30 Iran IR%sT 1097 1098 1099# Iraq 1100# 1101# From Jonathan Lennox (2000-06-12): --- 28 unchanged lines hidden (view full) --- 1130Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D 1131# IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the ':01' is a typo. 1132# Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this. 1133# 1134Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D 1135Rule Iraq 1991 2007 - Oct 1 3:00s 0 S 1136# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1137Zone Asia/Baghdad 2:57:40 - LMT 1890 |
1138 2:57:36 - BMT 1918 # Baghdad Mean Time? |
1139 3:00 - AST 1982 May 1140 3:00 Iraq A%sT 1141 1142 1143############################################################################### 1144 1145# Israel 1146 --- 211 unchanged lines hidden (view full) --- 1358# in March. DST ends at 02:00 on the last Sunday of October. 1359 1360# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1361Rule Zion 2013 max - Mar Fri>=23 2:00 1:00 D 1362Rule Zion 2013 max - Oct lastSun 2:00 0 S 1363 1364# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1365Zone Asia/Jerusalem 2:20:54 - LMT 1880 |
1366 2:20:40 - JMT 1918 # Jerusalem Mean Time? |
1367 2:00 Zion I%sT 1368 1369 1370 1371############################################################################### 1372 1373# Japan 1374 1375# '9:00' and 'JST' is from Guy Harris. 1376 1377# From Paul Eggert (1995-03-06): 1378# Today's _Asahi Evening News_ (page 4) reports that Japan had 1379# daylight saving between 1948 and 1951, but "the system was discontinued 1380# because the public believed it would lead to longer working hours." 1381 |
1382# From Mayumi Negishi in the 2005-08-10 Japan Times: 1383# http://www.japantimes.co.jp/cgi-bin/getarticle.pl5?nn20050810f2.htm |
1384# Occupation authorities imposed daylight-saving time on Japan on 1385# [1948-05-01].... But lack of prior debate and the execution of 1386# daylight-saving time just three days after the bill was passed generated 1387# deep hatred of the concept.... The Diet unceremoniously passed a bill to 1388# dump the unpopular system in October 1951, less than a month after the San 1389# Francisco Peace Treaty was signed. (A government poll in 1951 showed 53% 1390# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who 1391# wanted to keep it.) --- 7 unchanged lines hidden (view full) --- 1399Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D 1400# but the only locations using it (for birth certificates, presumably, since 1401# their audience is astrologers) were US military bases. For now, assume 1402# that for most purposes daylight-saving time was observed; otherwise, what 1403# would have been the point of the 1951 poll? 1404 1405# From Hideyuki Suzuki (1998-11-09): 1406# 'Tokyo' usually stands for the former location of Tokyo Astronomical |
1407# Observatory: 139 degrees 44' 40.90" E (9h 18m 58.727s), 1408# 35 degrees 39' 16.0" N. |
1409# This data is from 'Rika Nenpyou (Chronological Scientific Tables) 1996' 1410# edited by National Astronomical Observatory of Japan.... 1411# JST (Japan Standard Time) has been used since 1888-01-01 00:00 (JST). 1412# The law is enacted on 1886-07-07. 1413 1414# From Hideyuki Suzuki (1998-11-16): 1415# The ordinance No. 51 (1886) established "standard time" in Japan, 1416# which stands for the time on 135 degrees E. --- 173 unchanged lines hidden (view full) --- 1590# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.) 1591Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2 1592 4:00 - KIZT 1930 Jun 21 # Kizilorda Time 1593 5:00 - KIZT 1981 Apr 1 1594 5:00 1:00 KIZST 1981 Oct 1 1595 6:00 - KIZT 1982 Apr 1 1596 5:00 RussiaAsia KIZ%sT 1991 1597 5:00 - KIZT 1991 Dec 16 # independence |
1598 5:00 - QYZT 1992 Jan 19 2:00 |
1599 6:00 RussiaAsia QYZ%sT 2005 Mar 15 1600 6:00 - QYZT |
1601# Aqtobe (aka Aktobe, formerly Aktyubinsk) |
1602Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2 1603 4:00 - AKTT 1930 Jun 21 # Aktyubinsk Time 1604 5:00 - AKTT 1981 Apr 1 1605 5:00 1:00 AKTST 1981 Oct 1 1606 6:00 - AKTT 1982 Apr 1 1607 5:00 RussiaAsia AKT%sT 1991 1608 5:00 - AKTT 1991 Dec 16 # independence 1609 5:00 RussiaAsia AQT%sT 2005 Mar 15 # Aqtobe Time 1610 5:00 - AQTT 1611# Mangghystau 1612# Aqtau was not founded until 1963, but it represents an inhabited region, 1613# so include time stamps before 1963. 1614Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 1615 4:00 - FORT 1930 Jun 21 # Fort Shevchenko T 1616 5:00 - FORT 1963 1617 5:00 - SHET 1981 Oct 1 # Shevchenko Time 1618 6:00 - SHET 1982 Apr 1 1619 5:00 RussiaAsia SHE%sT 1991 1620 5:00 - SHET 1991 Dec 16 # independence |
1621 5:00 RussiaAsia AQT%sT 1995 Mar lastSun 2:00 # Aqtau Time |
1622 4:00 RussiaAsia AQT%sT 2005 Mar 15 1623 5:00 - AQTT 1624# West Kazakhstan 1625Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk 1626 4:00 - URAT 1930 Jun 21 # Ural'sk time 1627 5:00 - URAT 1981 Apr 1 1628 5:00 1:00 URAST 1981 Oct 1 1629 6:00 - URAT 1982 Apr 1 |
1630 5:00 RussiaAsia URA%sT 1989 Mar 26 2:00 |
1631 4:00 RussiaAsia URA%sT 1991 1632 4:00 - URAT 1991 Dec 16 # independence 1633 4:00 RussiaAsia ORA%sT 2005 Mar 15 # Oral Time 1634 5:00 - ORAT 1635 1636# Kyrgyzstan (Kirgizstan) 1637# Transitions through 1991 are from Shanks & Pottenger. 1638 1639# From Paul Eggert (2005-08-15): 1640# According to an article dated today in the Kyrgyzstan Development Gateway |
1641# http://eng.gateway.kg/cgi-bin/page.pl?id=1&story_name=doc9979.shtml |
1642# Kyrgyzstan is canceling the daylight saving time system. I take the article 1643# to mean that they will leave their clocks at 6 hours ahead of UTC. 1644# From Malik Abdugaliev (2005-09-21): 1645# Our government cancels daylight saving time 6th of August 2005. 1646# From 2005-08-12 our GMT-offset is +6, w/o any daylight saving. 1647 1648# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1649Rule Kyrgyz 1992 1996 - Apr Sun>=7 0:00s 1:00 S 1650Rule Kyrgyz 1992 1996 - Sep lastSun 0:00 0 - 1651Rule Kyrgyz 1997 2005 - Mar lastSun 2:30 1:00 S 1652Rule Kyrgyz 1997 2004 - Oct lastSun 2:30 0 - 1653# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1654Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 1655 5:00 - FRUT 1930 Jun 21 # Frunze Time |
1656 6:00 RussiaAsia FRU%sT 1991 Mar 31 2:00s 1657 5:00 1:00 FRUST 1991 Aug 31 2:00 # independence 1658 5:00 Kyrgyz KG%sT 2005 Aug 12 # Kyrgyzstan Time |
1659 6:00 - KGT 1660 1661############################################################################### 1662 1663# Korea (North and South) 1664 |
1665# From Annie I. Bang (2006-07-10): 1666# http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp |
1667# The Ministry of Commerce, Industry and Energy has already 1668# commissioned a research project [to reintroduce DST] and has said 1669# the system may begin as early as 2008.... Korea ran a daylight 1670# saving program from 1949-61 but stopped it during the 1950-53 Korean War. 1671 1672# From Shanks & Pottenger: 1673# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1674Rule ROK 1960 only - May 15 0:00 1:00 D --- 31 unchanged lines hidden (view full) --- 1706############################################################################### 1707 1708# Kuwait 1709# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1710Zone Asia/Kuwait 3:11:56 - LMT 1950 1711 3:00 - AST 1712 1713# Laos |
1714# See Asia/Bangkok. |
1715 |
1716 |
1717# Lebanon 1718# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1719Rule Lebanon 1920 only - Mar 28 0:00 1:00 S 1720Rule Lebanon 1920 only - Oct 25 0:00 0 - 1721Rule Lebanon 1921 only - Apr 3 0:00 1:00 S 1722Rule Lebanon 1921 only - Oct 3 0:00 0 - 1723Rule Lebanon 1922 only - Mar 26 0:00 1:00 S 1724Rule Lebanon 1922 only - Oct 8 0:00 0 - --- 20 unchanged lines hidden (view full) --- 1745 2:00 Lebanon EE%sT 1746 1747# Malaysia 1748# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1749Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 TS # one-Third Summer 1750Rule NBorneo 1935 1941 - Dec 14 0:00 0 - 1751# 1752# peninsular Malaysia |
1753# taken from Mok Ly Yng (2003-10-30) 1754# http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html |
1755# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1756Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1 1757 6:55:25 - SMT 1905 Jun 1 # Singapore M.T. 1758 7:00 - MALT 1933 Jan 1 # Malaya Time 1759 7:00 0:20 MALST 1936 Jan 1 1760 7:20 - MALT 1941 Sep 1 1761 7:30 - MALT 1942 Feb 16 1762 9:00 - JST 1945 Sep 12 1763 7:30 - MALT 1982 Jan 1 1764 8:00 - MYT # Malaysia Time 1765# Sabah & Sarawak |
1766# From Paul Eggert (2014-08-12): 1767# The data entries here are mostly from Shanks & Pottenger, but the 1942, 1945 1768# and 1982 transition dates are from Mok Ly Yng. |
1769# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1770Zone Asia/Kuching 7:21:20 - LMT 1926 Mar |
1771 7:30 - BORT 1933 # Borneo Time |
1772 8:00 NBorneo BOR%sT 1942 Feb 16 1773 9:00 - JST 1945 Sep 12 1774 8:00 - BORT 1982 Jan 1 1775 8:00 - MYT 1776 1777# Maldives 1778# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1779Zone Indian/Maldives 4:54:00 - LMT 1880 # Male 1780 4:54:00 - MMT 1960 # Male Mean Time 1781 5:00 - MVT # Maldives Time |
1782 1783# Mongolia 1784 1785# Shanks & Pottenger say that Mongolia has three time zones, but 1786# The USNO (1995-12-21) and the CIA map Standard Time Zones of the World 1787# (2005-03) both say that it has just one. 1788 1789# From Oscar van Vlijmen (1999-12-11): --- 45 unchanged lines hidden (view full) --- 1835# We have wildly conflicting information about Mongolia's time zones. 1836# Bill Bonnet (2005-05-19) reports that the US Embassy in Ulaanbaatar says 1837# there is only one time zone and that DST is observed, citing Microsoft 1838# Windows XP as the source. Risto Nyk��nen (2005-05-16) reports that 1839# travelmongolia.org says there are two time zones (UTC+7, UTC+8) with no DST. 1840# Oscar van Vlijmen (2005-05-20) reports that the Mongolian Embassy in 1841# Washington, DC says there are two time zones, with DST observed. 1842# He also found |
1843# http://ubpost.mongolnews.mn/index.php?subaction=showcomments&id=1111634894&archive=&start_from=&ucat=1& |
1844# which also says that there is DST, and which has a comment by "Toddius" 1845# (2005-03-31 06:05 +0700) saying "Mongolia actually has 3.5 time zones. 1846# The West (OLGII) is +7 GMT, most of the country is ULAT is +8 GMT 1847# and some Eastern provinces are +9 GMT but S��khbaatar Aimag is SUHK +8.5 GMT. 1848# The SUKH timezone is new this year, it is one of the few things the 1849# parliament passed during the tumultuous winter session." 1850# For now, let's ignore this information, until we have more confirmation. 1851 --- 51 unchanged lines hidden (view full) --- 1903# IATA SSIM (1999-09) says Mongolia no longer observes DST. 1904Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S 1905Rule Mongol 2001 2006 - Sep lastSat 2:00 0 - 1906Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S 1907 1908# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1909# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta 1910Zone Asia/Hovd 6:06:36 - LMT 1905 Aug |
1911 6:00 - HOVT 1978 # Hovd Time |
1912 7:00 Mongol HOV%sT 1913# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga 1914Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug |
1915 7:00 - ULAT 1978 # Ulaanbaatar Time |
1916 8:00 Mongol ULA%sT |
1917# Choibalsan, a.k.a. Bajan T��men, Bajan Tumen, Chojbalsan, |
1918# Choybalsan, Sanbejse, Tchoibalsan 1919Zone Asia/Choibalsan 7:38:00 - LMT 1905 Aug 1920 7:00 - ULAT 1978 1921 8:00 - ULAT 1983 Apr 1922 9:00 Mongol CHO%sT 2008 Mar 31 # Choibalsan Time 1923 8:00 Mongol CHO%sT 1924 1925# Nepal --- 47 unchanged lines hidden (view full) --- 1973# The minister told a news conference that the experiment had rather 1974# shown 8 per cent higher consumption of electricity. 1975 1976# From Alex Krivenyshev (2008-05-15): 1977# 1978# Here is an article that Pakistan plan to introduce Daylight Saving Time 1979# on June 1, 2008 for 3 months. 1980# |
1981# "... The federal cabinet on Wednesday announced a new conservation plan to 1982# help reduce load shedding by approving the closure of commercial centres at 1983# 9pm and moving clocks forward by one hour for the next three months. ...." |
1984# 1985# http://www.worldtimezone.net/dst_news/dst_news_pakistan01.html 1986# http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4 1987 1988# From Arthur David Olson (2008-05-19): 1989# XXX--midnight transitions is a guess; 2008 only is a guess. 1990 1991# From Alexander Krivenyshev (2008-08-28): --- 30 unchanged lines hidden (view full) --- 2022# Government has decided to restore the previous time by moving the 2023# clocks backward by one hour from October 1. A formal announcement to 2024# this effect will be made after the Prime Minister grants approval in 2025# this regard." 2026# http://www.thenews.com.pk/updates.asp?id=87168 2027 2028# From Alexander Krivenyshev (2009-09-28): 2029# According to Associated Press Of Pakistan, it is confirmed that |
2030# Pakistan clocks across the country would be turned back by an hour from 2031# October 1, 2009. |
2032# 2033# "Clocks to go back one hour from 1 Oct" 2034# http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=86715&Itemid=2 2035# http://www.worldtimezone.com/dst_news/dst_news_pakistan07.htm |
2036# |
2037# From Steffen Thorsen (2009-09-29): |
2038# Now they seem to have changed their mind, November 1 is the new date: 2039# http://www.thenews.com.pk/top_story_detail.asp?Id=24742 2040# "The country's clocks will be reversed by one hour on November 1. 2041# Officials of Federal Ministry for Interior told this to Geo News on 2042# Monday." 2043# 2044# And more importantly, it seems that these dates will be kept every year: 2045# "It has now been decided that clocks will be wound forward by one hour --- 24 unchanged lines hidden (view full) --- 2070# 2071# "People laud PM's announcement to end DST" 2072# http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=99374&Itemid=2 2073 2074# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2075Rule Pakistan 2002 only - Apr Sun>=2 0:01 1:00 S 2076Rule Pakistan 2002 only - Oct Sun>=2 0:01 0 - 2077Rule Pakistan 2008 only - Jun 1 0:00 1:00 S |
2078Rule Pakistan 2008 2009 - Nov 1 0:00 0 - |
2079Rule Pakistan 2009 only - Apr 15 0:00 1:00 S |
2080 2081# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2082Zone Asia/Karachi 4:28:12 - LMT 1907 2083 5:30 - IST 1942 Sep 2084 5:30 1:00 IST 1945 Oct 15 2085 5:30 - IST 1951 Sep 30 2086 5:00 - KART 1971 Mar 26 # Karachi Time 2087 5:00 Pakistan PK%sT # Pakistan Time --- 58 unchanged lines hidden (view full) --- 2146# 2147# Despite the fact that Israel changed over to daylight savings time 2148# last week, the PLO Authority (PA) has decided not to turn its clocks 2149# one-hour forward at this time. As a sign of independence from Israeli rule, 2150# the PA has decided to implement DST in April. 2151 2152# From Paul Eggert (1999-09-20): 2153# Daoud Kuttab writes in Holiday havoc |
2154# http://www.jpost.com/com/Archive/22.Apr.1999/Opinion/Article-2.html |
2155# (Jerusalem Post, 1999-04-22) that 2156# the Palestinian National Authority changed to DST on 1999-04-15. 2157# I vaguely recall that they switch back in October (sorry, forgot the source). 2158# For now, let's assume that the spring switch was at 24:00, 2159# and that they switch at 0:00 on the 3rd Fridays of April and October. 2160 2161# From Paul Eggert (2005-11-22): 2162# Starting 2004 transitions are from Steffen Thorsen's web site timeanddate.com. --- 201 unchanged lines hidden (view full) --- 2364Rule Palestine 2013 max - Sep Fri>=21 0:00 0 - 2365 2366# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2367Zone Asia/Gaza 2:17:52 - LMT 1900 Oct 2368 2:00 Zion EET 1948 May 15 2369 2:00 EgyptAsia EE%sT 1967 Jun 5 2370 2:00 Zion I%sT 1996 2371 2:00 Jordan EE%sT 1999 |
2372 2:00 Palestine EE%sT 2008 Aug 29 0:00 |
2373 2:00 - EET 2008 Sep 2374 2:00 Palestine EE%sT 2010 |
2375 2:00 - EET 2010 Mar 27 0:01 |
2376 2:00 Palestine EE%sT 2011 Aug 1 2377 2:00 - EET 2012 2378 2:00 Palestine EE%sT 2379 2380Zone Asia/Hebron 2:20:23 - LMT 1900 Oct 2381 2:00 Zion EET 1948 May 15 2382 2:00 EgyptAsia EE%sT 1967 Jun 5 2383 2:00 Zion I%sT 1996 2384 2:00 Jordan EE%sT 1999 2385 2:00 Palestine EE%sT 2386 2387# Paracel Is 2388# no information 2389 2390# Philippines 2391# On 1844-08-16, Narciso Claver��a, governor-general of the 2392# Philippines, issued a proclamation announcing that 1844-12-30 was to 2393# be immediately followed by 1845-01-01; see R.H. van Gent's 2394# History of the International Date Line |
2395# http://www.staff.science.uu.nl/~gent0113/idl/idl_philippines.htm 2396# The rest of the data entries are from Shanks & Pottenger. |
2397 |
2398# From Jesper N��rgaard Welen (2006-04-26): 2399# ... claims that Philippines had DST last time in 1990: 2400# http://story.philippinetimes.com/p.x/ct/9/id/145be20cc6b121c0/cid/3e5bbccc730d258c/ 2401# [a story dated 2006-04-25 by Cris Larano of Dow Jones Newswires, 2402# but no details] 2403 |
2404# From Paul Eggert (2014-08-14): 2405# The following source says DST may be instituted November-January and again 2406# March-June, but this is not definite. It also says DST was last proclaimed 2407# during the Ramos administration (1992-1998); but again, no details. 2408# Carcamo D. PNoy urged to declare use of daylight saving time. 2409# Philippine Star 2014-08-05 2410# http://www.philstar.com/headlines/2014/08/05/1354152/pnoy-urged-declare-use-daylight-saving-time 2411 |
2412# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2413Rule Phil 1936 only - Nov 1 0:00 1:00 S 2414Rule Phil 1937 only - Feb 1 0:00 0 - 2415Rule Phil 1954 only - Apr 12 0:00 1:00 S 2416Rule Phil 1954 only - Jul 1 0:00 0 - 2417Rule Phil 1978 only - Mar 22 0:00 1:00 S 2418Rule Phil 1978 only - Sep 21 0:00 0 - 2419# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2420Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31 2421 8:04:00 - LMT 1899 May 11 2422 8:00 Phil PH%sT 1942 May 2423 9:00 - JST 1944 Nov 2424 8:00 Phil PH%sT 2425 2426# Qatar 2427# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2428Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha |
2429 4:00 - GST 1972 Jun 2430 3:00 - AST 2431 2432# Saudi Arabia 2433# 2434# From Paul Eggert (2014-07-15): 2435# Time in Saudi Arabia and other countries in the Arabian peninsula was not 2436# standardized until relatively recently; we don't know when, and possibly it --- 14 unchanged lines hidden (view full) --- 2451# time zones; the other zone, at UTC+4, was in the far eastern part of 2452# the country. Ignore this, as it's before our 1970 cutoff. 2453# 2454# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2455Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14 2456 3:00 - AST 2457 2458# Singapore |
2459# taken from Mok Ly Yng (2003-10-30) 2460# http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html |
2461# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2462Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 2463 6:55:25 - SMT 1905 Jun 1 # Singapore M.T. 2464 7:00 - MALT 1933 Jan 1 # Malaya Time 2465 7:00 0:20 MALST 1936 Jan 1 2466 7:20 - MALT 1941 Sep 1 2467 7:30 - MALT 1942 Feb 16 2468 9:00 - JST 1945 Sep 12 --- 26 unchanged lines hidden (view full) --- 2495# Sri Lanka will be six (06) hours ahead of GMT. 2496 2497# From Jesper N��rgaard Welen (2006-04-14), quoting Sri Lanka News Online 2498# <http://news.sinhalaya.com/wmview.php?ArtID=11002> (2006-04-13): 2499# 0030 hrs on April 15, 2006 (midnight of April 14, 2006 +30 minutes) 2500# at present, become 2400 hours of April 14, 2006 (midnight of April 14, 2006). 2501 2502# From Peter Apps and Ranga Sirila of Reuters (2006-04-12) in: |
2503# http://today.reuters.co.uk/news/newsArticle.aspx?type=scienceNews&storyID=2006-04-12T172228Z_01_COL295762_RTRIDST_0_SCIENCE-SRILANKA-TIME-DC.XML |
2504# [The Tamil Tigers] never accepted the original 1996 time change and simply 2505# kept their clocks set five and a half hours ahead of Greenwich Mean 2506# Time (GMT), in line with neighbor India. 2507# From Paul Eggert (2006-04-18): 2508# People who live in regions under Tamil control can use [TZ='Asia/Kolkata'], 2509# as that zone has agreed with the Tamil areas since our cutoff date of 1970. 2510 2511# From K Sethu (2006-04-25): --- 22 unchanged lines hidden (view full) --- 2534# all computers. 2535 2536# From Paul Eggert (2006-04-25): 2537# One possibility is that we wait for a bit for the dust to settle down 2538# and then see what people actually say in practice. 2539 2540# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2541Zone Asia/Colombo 5:19:24 - LMT 1880 |
2542 5:19:32 - MMT 1906 # Moratuwa Mean Time |
2543 5:30 - IST 1942 Jan 5 2544 5:30 0:30 IHST 1942 Sep |
2545 5:30 1:00 IST 1945 Oct 16 2:00 2546 5:30 - IST 1996 May 25 0:00 2547 6:30 - LKT 1996 Oct 26 0:30 2548 6:00 - LKT 2006 Apr 15 0:30 |
2549 5:30 - IST 2550 2551# Syria 2552# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2553Rule Syria 1920 1923 - Apr Sun>=15 2:00 1:00 S 2554Rule Syria 1920 1923 - Oct Sun>=1 2:00 0 - 2555Rule Syria 1962 only - Apr 29 2:00 1:00 S 2556Rule Syria 1962 only - Oct 1 2:00 0 - --- 59 unchanged lines hidden (view full) --- 2616# which using Google's translate tools says: 2617# Council of Ministers also approved the commencement of work on 2618# identifying the winter time as of Friday, 2/11/2007 where the 60th 2619# minute delay at midnight Thursday 1/11/2007. 2620Rule Syria 2007 only - Nov Fri>=1 0:00 0 - 2621 2622# From Stephen Colebourne (2008-03-17): 2623# For everyone's info, I saw an IATA time zone change for [Syria] for |
2624# this month (March 2008) in the last day or so.... |
2625# Country Time Standard --- DST Start --- --- DST End --- DST 2626# Name Zone Variation Time Date Time Date 2627# Variation 2628# Syrian Arab 2629# Republic SY +0200 2200 03APR08 2100 30SEP08 +0300 2630# 2200 02APR09 2100 30SEP09 +0300 2631# 2200 01APR10 2100 30SEP10 +0300 2632 --- 70 unchanged lines hidden (view full) --- 2703Rule Syria 2008 only - Apr Fri>=1 0:00 1:00 S 2704Rule Syria 2008 only - Nov 1 0:00 0 - 2705Rule Syria 2009 only - Mar lastFri 0:00 1:00 S 2706Rule Syria 2010 2011 - Apr Fri>=1 0:00 1:00 S 2707Rule Syria 2012 max - Mar lastFri 0:00 1:00 S 2708Rule Syria 2009 max - Oct lastFri 0:00 0 - 2709 2710# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2711Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq |
2712 2:00 Syria EE%sT 2713 2714# Tajikistan 2715# From Shanks & Pottenger. 2716# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2717Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 2718 5:00 - DUST 1930 Jun 21 # Dushanbe Time |
2719 6:00 RussiaAsia DUS%sT 1991 Mar 31 2:00s 2720 5:00 1:00 DUSST 1991 Sep 9 2:00s 2721 5:00 - TJT # Tajikistan Time |
2722 2723# Thailand 2724# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2725Zone Asia/Bangkok 6:42:04 - LMT 1880 2726 6:42:04 - BMT 1920 Apr # Bangkok Mean Time 2727 7:00 - ICT |
2728Link Asia/Bangkok Asia/Phnom_Penh # Cambodia 2729Link Asia/Bangkok Asia/Vientiane # Laos |
2730 2731# Turkmenistan 2732# From Shanks & Pottenger. 2733# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2734Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad 2735 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time |
2736 5:00 RussiaAsia ASH%sT 1991 Mar 31 2:00 |
2737 4:00 RussiaAsia ASH%sT 1991 Oct 27 # independence |
2738 4:00 RussiaAsia TM%sT 1992 Jan 19 2:00 |
2739 5:00 - TMT 2740 2741# United Arab Emirates 2742# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2743Zone Asia/Dubai 3:41:12 - LMT 1920 2744 4:00 - GST 2745 2746# Uzbekistan |
2747# Byalokoz 1919 says Uzbekistan was 4:27:53. |
2748# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2749Zone Asia/Samarkand 4:27:53 - LMT 1924 May 2 |
2750 4:00 - SAMT 1930 Jun 21 # Samarkand Time 2751 5:00 - SAMT 1981 Apr 1 2752 5:00 1:00 SAMST 1981 Oct 1 2753 6:00 - TAST 1982 Apr 1 # Tashkent Time 2754 5:00 RussiaAsia SAM%sT 1991 Sep 1 # independence 2755 5:00 RussiaAsia UZ%sT 1992 2756 5:00 - UZT 2757# Milne says Tashkent was 4:37:10.8; round to nearest. 2758Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 2759 5:00 - TAST 1930 Jun 21 # Tashkent Time |
2760 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 |
2761 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence 2762 5:00 RussiaAsia UZ%sT 1992 2763 5:00 - UZT 2764 2765# Vietnam 2766 |
2767# From Paul Eggert (2014-10-04): |
2768# Milne gives 7:16:56 for the meridian of Saigon in 1899, as being 2769# used in Lower Laos, Cambodia, and Annam. But this is quite a ways 2770# from Saigon's location. For now, ignore this and stick with Shanks |
2771# and Pottenger for LMT before 1906. |
2772 2773# From Arthur David Olson (2008-03-18): 2774# The English-language name of Vietnam's most populous city is "Ho Chi Minh 2775# City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters. 2776 |
2777# From Paul Eggert (2014-10-21) after a heads-up from Tr���n Ng���c Qu��n: 2778# Tr���n Ti���n B��nh's authoritative book "L���ch Vi���t Nam: th��� k��� XX-XXI (1901-2100)" 2779# (Nh�� xu���t b���n V��n Ho�� - Th��ng Tin, Hanoi, 2005), pp 49-50, 2780# is quoted verbatim in: 2781# http://www.thoigian.com.vn/?mPage=P80D01 2782# is translated by Brian Inglis in: 2783# http://mm.icann.org/pipermail/tz/2014-October/021654.html 2784# and is the basis for the information below. 2785# 2786# The 1906 transition was effective July 1 and standardized Indochina to 2787# Ph�� Li���n Observatory, legally 104 deg. 17'17" east of Paris. 2788# It's unclear whether this meant legal Paris Mean Time (00:09:21) or 2789# the Paris Meridian (2 deg. 20'14.03" E); the former yields 07:06:30.1333... 2790# and the latter 07:06:29.333... so either way it rounds to 07:06:30, 2791# which is used below even though the modern-day Ph�� Li���n Observatory 2792# is closer to 07:06:31. Abbreviate Ph�� Li���n Mean Time as PLMT. 2793# 2794# The following transitions occurred in Indochina in general (before 1954) 2795# and in South Vietnam in particular (after 1954): 2796# To 07:00 on 1911-05-01. 2797# To 08:00 on 1942-12-31 at 23:00. 2798# To 09:00 in 1945-03-14 at 23:00. 2799# To 07:00 on 1945-09-02 in Vietnam. 2800# To 08:00 on 1947-04-01 in French-controlled Indochina. 2801# To 07:00 on 1955-07-01 in South Vietnam. 2802# To 08:00 on 1959-12-31 at 23:00 in South Vietnam. 2803# To 07:00 on 1975-06-13 in South Vietnam. 2804# 2805# Tr���n cites the following sources; it's unclear which supplied the info above. 2806# 2807# Ho��ng Xu��n H��n: "L���ch v�� l���ch Vi���t Nam". T���p san Khoa h���c X�� h���i, 2808# No. 9, Paris, February 1982. 2809# 2810# L�� Th��nh L��n: "L���ch v�� ni��n bi���u l���ch s��� hai m����i th��� k��� (0001-2010)", 2811# NXB Th���ng k��, Hanoi, 2000. 2812# 2813# L�� Th��nh L��n: "L���ch hai th��� k��� (1802-2010) v�� c��c l���ch v��nh c���u", 2814# NXB Thu���n Ho��, Hu���, 1995. 2815 |
2816# Zone NAME GMTOFF RULES FORMAT [UNTIL] |
2817Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1 2818 7:06:30 - PLMT 1911 May 1 2819 7:00 - ICT 1942 Dec 31 23:00 2820 8:00 - IDT 1945 Mar 14 23:00 2821 9:00 - JST 1945 Sep 2 2822 7:00 - ICT 1947 Apr 1 2823 8:00 - IDT 1955 Jul 1 2824 7:00 - ICT 1959 Dec 31 23:00 2825 8:00 - IDT 1975 Jun 13 |
2826 7:00 - ICT 2827 2828# Yemen 2829 2830# Milne says 2:59:54 was the meridian of the saluting battery at Aden, 2831# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia. 2832 2833# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2834Zone Asia/Aden 2:59:54 - LMT 1950 2835 3:00 - AST |