Branch: Tag:

2018-12-18

2018-12-18 10:50:23 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to tzdata2018g.

1: + # tzdb data for Asia and environs +    # This file is in the public domain, so clarified as of   # 2009-05-17 by Arthur David Olson.   
6:   # tz@iana.org for general use in the future). For more, please see   # the file CONTRIBUTING in the tz distribution.    - # From Paul Eggert (2017-01-13): + # From Paul Eggert (2018-06-19):   #   # Unless otherwise specified, the source for data through 1990 is:   # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
35:   # A reliable and entertaining source about time zones is   # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).   # - # The following alphabetic abbreviations appear in these tables: + # The following alphabetic abbreviations appear in these tables + # (corrections are welcome):   # std dst   # LMT Local Mean Time   # 2:00 EET EEST Eastern European Time
44:   # 7:00 WIB west Indonesia (Waktu Indonesia Barat)   # 8:00 WITA central Indonesia (Waktu Indonesia Tengah)   # 8:00 CST China + # 8:00 PST PDT* Philippine Standard Time   # 8:30 KST KDT Korea when at +0830   # 9:00 WIT east Indonesia (Waktu Indonesia Timur)   # 9:00 JST JDT Japan   # 9:00 KST KDT Korea when at +09   # 9:30 ACST Australian Central Standard Time -  + # *I invented the abbreviation PDT; see "Philippines" below.   # Otherwise, these tables typically use numeric abbreviations like +03   # and +0330 for integer hour and minute UT offsets. Although earlier   # editions invented alphabetic time zone abbreviations for every
281:      # China    + # From Paul Eggert (2018-10-02): + # The following comes from Table 1 of: + # Li Yu. Research on the daylight saving movement in 1940s Shanghai. + # Nanjing Journal of Social Sciences. 2014;(2):144-50. + # http://oversea.cnki.net/kns55/detail.aspx?dbname=CJFD2014&filename=NJSH201402020 + # The table lists dates only; I am guessing 00:00 and 24:00 transition times. + # Also, the table lists the planned end of DST in 1949, but the corresponding + # zone line cuts this off on May 28, when the Communists took power. + # + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S + Rule Shang 1940 only - Jun 1 0:00 1:00 D + Rule Shang 1940 only - Oct 12 24:00 0 S + Rule Shang 1941 only - Mar 15 0:00 1:00 D + Rule Shang 1941 only - Nov 1 24:00 0 S + Rule Shang 1942 only - Jan 31 0:00 1:00 D + Rule Shang 1945 only - Sep 1 24:00 0 S + Rule Shang 1946 only - May 15 0:00 1:00 D + Rule Shang 1946 only - Sep 30 24:00 0 S + Rule Shang 1947 only - Apr 15 0:00 1:00 D + Rule Shang 1947 only - Oct 31 24:00 0 S + Rule Shang 1948 1949 - May 1 0:00 1:00 D + Rule Shang 1948 1949 - Sep 30 24:00 0 S #plan +    # From Guy Harris:   # People's Republic of China. Yes, they really have only one time zone.   
307:   # time - sort of", Los Angeles Times, 1986-05-05 ... [says] that China began   # observing daylight saving time in 1986.    - # From Paul Eggert (2014-06-30): - # Shanks & Pottenger have China switching to a single time zone in 1980, but - # this doesn't seem to be correct. They also write that China observed summer - # DST from 1986 through 1991, which seems to match the above commentary, so - # go with them for DST rules as follows: + # From P Chan (2018-05-07): + # The start and end time of DST in China [from 1986 on] should be 2:00 + # (i.e. 2:00 to 3:00 at the start and 2:00 to 1:00 at the end).... + # Government notices about summer time: + # + # 1986-04-12 http://www.zj.gov.cn/attach/zfgb/198608.pdf p.21-22 + # (To establish summer time from 1986. On 4 May, set the clocks ahead one hour + # at 2 am. On 14 September, set the clocks backward one hour at 2 am.) + # + # 1987-02-15 http://www.gov.cn/gongbao/shuju/1987/gwyb198703.pdf p.114 + # (Summer time in 1987 to start from 12 April until 13 September) + # + # 1987-09-09 http://www.gov.cn/gongbao/shuju/1987/gwyb198721.pdf p.709 + # (From 1988, summer time to start from 2 am of the first Sunday of mid-April + # until 2 am of the first Sunday of mid-September) + # + # 1992-03-03 http://www.gov.cn/gongbao/shuju/1992/gwyb199205.pdf p.152 + # (To suspend summer time from 1992) + # + # The first page of People's Daily on 12 April 1988 stating that summer time + # to begin on 17 April. + # http://data.people.com.cn/pic/101p/1988/04/1988041201.jpg +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Shang 1940 only - Jun 3 0:00 1:00 D - Rule Shang 1940 1941 - Oct 1 0:00 0 S - Rule Shang 1941 only - Mar 16 0:00 1:00 D - Rule PRC 1986 only - May 4 0:00 1:00 D - Rule PRC 1986 1991 - Sep Sun>=11 0:00 0 S - Rule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D + Rule PRC 1986 only - May 4 2:00 1:00 D + Rule PRC 1986 1991 - Sep Sun>=11 2:00 0 S + Rule PRC 1987 1991 - Apr Sun>=11 2:00 1:00 D      # From Anthony Fok (2001-12-20):   # BTW, I did some research on-line and found some info regarding these five
340:   # Alois Treindl kindly sent me translations of the following two sources:   #   # (1) - # Guo Qingsheng (National Time-Service Center, CAS, Xi'an 710600, China) + # Guo Qing-sheng (National Time-Service Center, CAS, Xi'an 710600, China)   # Beijing Time at the Beginning of the PRC   # China Historical Materials of Science and Technology - # (Zhongguo ke ji shi liao, 中国科技史料), Vol. 24, No. 1 (2003) + # (Zhongguo ke ji shi liao, 中国科技史料). 2003;24(1):5-9. + # http://oversea.cnki.net/kcms/detail/detail.aspx?filename=ZGKS200301000&dbname=CJFD2003   # It gives evidence that at the beginning of the PRC, Beijing time was   # officially apparent solar time! However, Guo also says that the   # evidence is dubious, as the relevant institute of astronomy had not
520:   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   # Beijing time, used throughout China; represented by Shanghai.   Zone Asia/Shanghai 8:05:43 - LMT 1901 -  8:00 Shang C%sT 1949 +  8:00 Shang C%sT 1949 May 28    8:00 PRC C%sT   # Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi   # / Wulumuqi. (Please use Asia/Shanghai if you prefer Beijing time.)
749:    8:00 Taiwan C%sT      # Macau (Macao, Aomen) + # + # From P Chan (2018-05-10): + # * LegisMac + # http://legismac.safp.gov.mo/legismac/descqry/Descqry.jsf?lang=pt + # A database for searching titles of legal documents of Macau in + # Chinese and Portuguese. The term "HORÁRIO DE VERÃO" can be used for + # searching decrees about summer time. + # * Archives of Macao + # http://www.archives.gov.mo/en/bo/ + # It contains images of old official gazettes. + # * The Macao Meteorological and Geophysical Bureau have a page listing the + # summer time history. But it is not complete and has some mistakes. + # http://www.smg.gov.mo/smg/geophysics/e_t_Summer%20Time.htm + # Macau adopted GMT+8 on 30 Oct 1904 to follow Hong Kong. Clocks were + # advanced by 25 minutes and 50 seconds. Which means the LMT used was + # +7:34:10. As stated in the "Portaria No. 204" dated 21 October 1904 + # and published in the Official Gazette on 29 October 1904. + # http://igallery.icm.gov.mo/Images/Archives/BO/MO_AH_PUB_BO_1904_10/MO_AH_PUB_BO_1904_10_00025_Grey.JPG + # + # Therefore the 1911 decree of Portugal did not change time in Macau. + # + # From LegisMac, here is a list of decrees that changed the time ... + # [Decree Gazette-no. date; titles omitted in this quotation] + # DIL 732 BOCM 51 1941.12.20 + # DIL 764 BOCM 9S 1942.04.30 + # DIL 781 BOCM 21 1942.10.10 + # PT 3434 BOCM 8S 1943.04.17 + # PT 3504 BOCM 20 1943.09.25 + # PT 3843 BOCM 39 1945.09.29 + # PT 3961 BOCM 17 1946.04.27 + # PT 4026 BOCM 39 1946.09.28 + # PT 4153 BOCM 16 1947.04.10 + # PT 4271 BOCM 48 1947.11.29 + # PT 4374 BOCM 18 1948.05.01 + # PT 4465 BOCM 44 1948.10.30 + # PT 4590 BOCM 14 1949.04.02 + # PT 4666 BOCM 44 1949.10.29 + # PT 4771 BOCM 12 1950.03.25 + # PT 4838 BOCM 43 1950.10.28 + # PT 4946 BOCM 12 1951.03.24 + # PT 5025 BO 43 1951.10.27 + # PT 5149 BO 14 1952.04.05 + # PT 5251 BO 43 1952.10.25 + # PT 5366 BO 13 1953.03.28 + # PT 5444 BO 44 1953.10.31 + # PT 5540 BO 12 1954.03.20 + # PT 5589 BO 44 1954.10.30 + # PT 5676 BO 12 1955.03.19 + # PT 5739 BO 45 1955.11.05 + # PT 5823 BO 11 1956.03.17 + # PT 5891 BO 44 1956.11.03 + # PT 5981 BO 12 1957.03.23 + # PT 6064 BO 43 1957.10.26 + # PT 6172 BO 12 1958.03.22 + # PT 6243 BO 43 1958.10.25 + # PT 6341 BO 12 1959.03.21 + # PT 6411 BO 43 1959.10.24 + # PT 6514 BO 11 1960.03.12 + # PT 6584 BO 44 1960.10.29 + # PT 6721 BO 10 1961.03.11 + # PT 6815 BO 43 1961.10.28 + # PT 6947 BO 10 1962.03.10 + # PT 7080 BO 43 1962.10.27 + # PT 7218 BO 12 1963.03.23 + # PT 7340 BO 43 1963.10.26 + # PT 7491 BO 11 1964.03.14 + # PT 7664 BO 43 1964.10.24 + # PT 7846 BO 15 1965.04.10 + # PT 7979 BO 42 1965.10.16 + # PT 8146 BO 15 1966.04.09 + # PT 8252 BO 41 1966.10.08 + # PT 8429 BO 15 1967.04.15 + # PT 8540 BO 41 1967.10.14 + # PT 8735 BO 15 1968.04.13 + # PT 8860 BO 41 1968.10.12 + # PT 9035 BO 16 1969.04.19 + # PT 9156 BO 42 1969.10.18 + # PT 9328 BO 15 1970.04.11 + # PT 9418 BO 41 1970.10.10 + # PT 9587 BO 14 1971.04.03 + # PT 9702 BO 41 1971.10.09 + # PT 38-A/72 BO 14 1972.04.01 + # PT 126-A/72 BO 41 1972.10.07 + # PT 61/73 BO 14 1973.04.07 + # PT 182/73 BO 40 1973.10.06 + # PT 282/73 BO 51 1973.12.22 + # PT 177/74 BO 41 1974.10.12 + # PT 51/75 BO 15 1975.04.12 + # PT 173/75 BO 41 1975.10.11 + # PT 67/76/M BO 14 1976.04.03 + # PT 169/76/M BO 41 1976.10.09 + # PT 78/79/M BO 19 1979.05.12 + # PT 166/79/M BO 42 1979.10.20 + # Note that DIL 732 does not belong to "HORÁRIO DE VERÃO" according to + # LegisMac.... Note that between 1942 and 1945, the time switched + # between GMT+9 and GMT+10. Also in 1965 and 1965 the DST ended at 2:30am. +  + # From Paul Eggert (2018-05-10): + # The 1904 decree says that Macau changed from the meridian of + # Fortaleza do Monte, presumably the basis for the 7:34:10 for LMT. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 D - Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 S - Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 D - Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 D - Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 D - Rule Macau 1965 only - Oct 31 0:00 0 S - Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 D - Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 S - Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 D - Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 S - Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 S - Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 D - Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 D - Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 S - # See Europe/Lisbon for info about the 1912 transition. + Rule Macau 1942 1943 - Apr 30 23:00 1:00 - + Rule Macau 1942 only - Nov 17 23:00 0 - + Rule Macau 1943 only - Sep 30 23:00 0 S + Rule Macau 1946 only - Apr 30 23:00s 1:00 D + Rule Macau 1946 only - Sep 30 23:00s 0 S + Rule Macau 1947 only - Apr 19 23:00s 1:00 D + Rule Macau 1947 only - Nov 30 23:00s 0 S + Rule Macau 1948 only - May 2 23:00s 1:00 D + Rule Macau 1948 only - Oct 31 23:00s 0 S + Rule Macau 1949 1950 - Apr Sat>=1 23:00s 1:00 D + Rule Macau 1949 1950 - Oct lastSat 23:00s 0 S + Rule Macau 1951 only - Mar 31 23:00s 1:00 D + Rule Macau 1951 only - Oct 28 23:00s 0 S + Rule Macau 1952 1953 - Apr Sat>=1 23:00s 1:00 D + Rule Macau 1952 only - Nov 1 23:00s 0 S + Rule Macau 1953 1954 - Oct lastSat 23:00s 0 S + Rule Macau 1954 1956 - Mar Sat>=17 23:00s 1:00 D + Rule Macau 1955 only - Nov 5 23:00s 0 S + Rule Macau 1956 1964 - Nov Sun>=1 03:30 0 S + Rule Macau 1957 1964 - Mar Sun>=18 03:30 1:00 D + Rule Macau 1965 1973 - Apr Sun>=16 03:30 1:00 D + Rule Macau 1965 1966 - Oct Sun>=16 02:30 0 S + Rule Macau 1967 1976 - Oct Sun>=16 03:30 0 S + Rule Macau 1973 only - Dec 30 03:30 1:00 D + Rule Macau 1975 1976 - Apr Sun>=16 03:30 1:00 D + Rule Macau 1979 only - May 13 03:30 1:00 D + Rule Macau 1979 only - Oct Sun>=16 03:30 0 S +    # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Asia/Macau 7:34:20 - LMT 1911 Dec 31 16:00u + Zone Asia/Macau 7:34:10 - LMT 1904 Oct 30 +  8:00 - CST 1941 Dec 21 23:00 +  9:00 Macau +09/+10 1945 Sep 30 24:00    8:00 Macau C%sT      
1471:   # http://www.shugiin.go.jp/internet/itdb_housei.nsf/html/houritsu/00719500331039.htm   # ... In summary, it is written as follows. From 24:00 on the first Saturday   # in May, until 0:00 on the day after the second Saturday in September. +  + # From Phake Nick (2018-09-27): + # [T]he webpage authored by National Astronomical Observatory of Japan + # https://eco.mtk.nao.ac.jp/koyomi/wiki/BBFEB9EF2FB2C6BBFEB9EF.html + # ... mentioned that using Showa 23 (year 1948) as example, 13pm of September + # 11 in summer time will equal to 0am of September 12 in standard time. + # It cited a document issued by the Liaison Office which briefly existed + # during the postwar period of Japan, where the detail on implementation + # of the summer time is described in the document. + # https://eco.mtk.nao.ac.jp/koyomi/wiki/BBFEB9EF2FB2C6BBFEB9EFB2C6BBFEB9EFA4CEBCC2BBDCA4CBA4C4A4A4A4C6.pdf + # The text in the document do instruct a fall back to occur at + # September 11, 13pm in summer time, while ordinary citizens can + # change the clock before they sleep. + # + # From Paul Eggert (2018-09-27): + # This instruction is equivalent to "Sat>=8 25:00", so use that. zic treats + # it like "Sun>=9 01:00", which is not quite the same but is the best we can + # do in any POSIX or C platform. The "25:00" assumes zic from 2007 or later, + # which should be safe now. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule Japan 1948 only - May Sat>=1 24:00 1:00 D - Rule Japan 1948 1951 - Sep Sun>=9 0:00 0 S + Rule Japan 1948 1951 - Sep Sat>=8 25:00 0 S   Rule Japan 1949 only - Apr Sat>=1 24:00 1:00 D   Rule Japan 1950 1951 - May Sat>=1 24:00 1:00 D   
1855:    5:00 - +05   # Mangghystaū (KZ-MAN)   # Aqtau was not founded until 1963, but it represents an inhabited region, - # so include time stamps before 1963. + # so include timestamps before 1963.   Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2    4:00 - +04 1930 Jun 21    5:00 - +05 1981 Oct 1
1995:   # Assembly, as published in Rodong Sinmun.   # From Tim Parenti (2018-04-29):   # It appears to be the front page story at the top in the right-most column. + # + # From Paul Eggert (2018-05-04): + # The BBC reported that the transition was from 23:30 to 24:00 today. + # https://www.bbc.com/news/world-asia-44010705      # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Asia/Seoul 8:27:52 - LMT 1908 Apr 1
2007:    8:30 - KST 1912 Jan 1    9:00 - JST 1945 Aug 24    9:00 - KST 2015 Aug 15 00:00 -  8:30 - KST 2018 May 5 +  8:30 - KST 2018 May 4 23:30    9:00 - KST      ###############################################################################
2757:   # Philippine Star 2014-08-05   # http://www.philstar.com/headlines/2014/08/05/1354152/pnoy-urged-declare-use-daylight-saving-time    + # From Paul Goyette (2018-06-15): + # In the Philippines, there is a national law, Republic Act No. 10535 + # which declares the official time here as "Philippine Standard Time". + # The act [1] even specifies use of PST as the abbreviation, although + # the FAQ provided by PAGASA [2] uses the "acronym PhST to distinguish + # it from the Pacific Standard Time (PST)." + # [1] http://www.officialgazette.gov.ph/2013/05/15/republic-act-no-10535/ + # [2] https://www1.pagasa.dost.gov.ph/index.php/astronomy/philippine-standard-time#republic-act-10535 + # + # From Paul Eggert (2018-06-19): + # I surveyed recent news reports, and my impression is that "PST" is + # more popular among reliable English-language news sources. This is + # not just a measure of Google hit counts: it's also the sizes and + # influence of the sources. There is no current abbreviation for DST, + # so use "PDT", the usual American style. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Phil 1936 only - Nov 1 0:00 1:00 - - Rule Phil 1937 only - Feb 1 0:00 0 - - Rule Phil 1954 only - Apr 12 0:00 1:00 - - Rule Phil 1954 only - Jul 1 0:00 0 - - Rule Phil 1978 only - Mar 22 0:00 1:00 - - Rule Phil 1978 only - Sep 21 0:00 0 - + Rule Phil 1936 only - Nov 1 0:00 1:00 D + Rule Phil 1937 only - Feb 1 0:00 0 S + Rule Phil 1954 only - Apr 12 0:00 1:00 D + Rule Phil 1954 only - Jul 1 0:00 0 S + Rule Phil 1978 only - Mar 22 0:00 1:00 D + Rule Phil 1978 only - Sep 21 0:00 0 S   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31    8:04:00 - LMT 1899 May 11 -  8:00 Phil +08/+09 1942 May -  9:00 - +09 1944 Nov -  8:00 Phil +08/+09 +  8:00 Phil P%sT 1942 May +  9:00 - JST 1944 Nov +  8:00 Phil P%sT      # Qatar   # Zone NAME GMTOFF RULES FORMAT [UNTIL]
2780:      # Saudi Arabia   # - # From Paul Eggert (2014-07-15): + # From Paul Eggert (2018-08-29):   # 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 + # standardized until 1968 or so; we don't know exactly 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 Jeddah 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).   # -  + # Timekeeping differed depending on who you were and which part of Saudi + # Arabia you were in. In 1969, Elias Antar wrote that although a common + # practice had been to set one's watch to 12:00 (i.e., midnight) at sunset - + # which meant that the time on one side of a mountain could differ greatly from + # the time on the other side - many foreigners set their watches to 6pm + # instead, while airlines instead used UTC +03 (except in Dhahran, where they + # used UTC +04), Aramco used UTC +03 with DST, and the Trans-Arabian Pipe Line + # Company used Aramco time in eastern Saudi Arabia and airline time in western. + # (The American Military Aid Advisory Group used plain UTC.) Antar writes, + # "A man named Higgins, so the story goes, used to run a local power + # station. One day, the whole thing became too much for Higgins and he + # assembled his staff and laid down the law. 'I've had enough of this,' he + # shrieked. 'It is now 12 o'clock Higgins Time, and from now on this station is + # going to run on Higgins Time.' And so, until last year, it did." See: + # Antar E. Dinner at When? Saudi Aramco World, 1969 March/April. 2-3. + # http://archive.aramcoworld.com/issue/196902/dinner.at.when.htm + # newspapers.com says a similar story about Higgins was published in the Port + # Angeles (WA) Evening News, 1965-03-10, page 5, but I lack access to the text. + #   # 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
2798:   #   # Shanks & Pottenger also state that until 1968-05-01 Saudi Arabia had two   # time zones; the other zone, at UT +04, was in the far eastern part of - # the country. Ignore this, as it's before our 1970 cutoff. + # the country. Presumably this is documenting airline time. 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