Branch: Tag:

2014-11-12

2014-11-12 23:44:31 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to tzdata2014j.

6:   # tz@iana.org for general use in the future). For more, please see   # the file CONTRIBUTING in the tz distribution.    - # From Paul Eggert (2013-08-11): + # From Paul Eggert (2014-10-31):   # - # A good source for time zone historical data outside the U.S. is + # Unless otherwise specified, the source for data through 1990 is:   # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),   # San Diego: ACS Publications, Inc. (2003). -  + # Unfortunately this book contains many errors and cites no sources.   #   # Gwillim Law writes that a good source   # for recent time zone data is the International Air Transport   # Association's Standard Schedules Information Manual (IATA SSIM),   # published semiannually. Law sent in several helpful summaries - # of the IATA's data after 1990. + # of the IATA's data after 1990. Except where otherwise noted, + # IATA SSIM is the source for entries after 1990.   # - # Except where otherwise noted, Shanks & Pottenger is the source for - # entries through 1990, and IATA SSIM is the source for entries afterwards. - # +    # Another source occasionally used is Edward W. Whitman, World Time Differences,   # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which   # I found in the UCLA library.
1663:   # Korea (North and South)      # From Annie I. Bang (2006-07-10): - # http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp - # The Ministry of Commerce, Industry and Energy has already - # commissioned a research project [to reintroduce DST] and has said - # the system may begin as early as 2008.... Korea ran a daylight - # saving program from 1949-61 but stopped it during the 1950-53 Korean War. + # http://www.koreaherald.com/view.php?ud=200607100012 + # Korea ran a daylight saving program from 1949-61 but stopped it + # during the 1950-53 Korean War. The system was temporarily enforced + # between 1987 and 1988 ...    - # From Shanks & Pottenger: + # From Sanghyuk Jung (2014-10-29): + # http://mm.icann.org/pipermail/tz/2014-October/021830.html + # According to the Korean Wikipedia + # http://ko.wikipedia.org/wiki/한국_표준시 + # [oldid=12896437 2014-09-04 08:03 UTC] + # DST in Republic of Korea was as follows.... And I checked old + # newspapers in Korean, all articles correspond with data in Wikipedia. + # For example, the article in 1948 (Korean Language) proved that DST + # started at June 1 in that year. For another example, the article in + # 1988 said that DST started at 2:00 AM in that year. +    # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule ROK 1960 only - May 15 0:00 1:00 D - Rule ROK 1960 only - Sep 13 0:00 0 S - Rule ROK 1987 1988 - May Sun>=8 0:00 1:00 D - Rule ROK 1987 1988 - Oct Sun>=8 0:00 0 S + Rule ROK 1948 only - Jun 1 0:00 1:00 D + Rule ROK 1948 only - Sep 13 0:00 0 S + Rule ROK 1949 only - Apr 3 0:00 1:00 D + Rule ROK 1949 1951 - Sep Sun>=8 0:00 0 S + Rule ROK 1950 only - Apr 1 0:00 1:00 D + Rule ROK 1951 only - May 6 0:00 1:00 D + Rule ROK 1955 only - May 5 0:00 1:00 D + Rule ROK 1955 only - Sep 9 0:00 0 S + Rule ROK 1956 only - May 20 0:00 1:00 D + Rule ROK 1956 only - Sep 30 0:00 0 S + Rule ROK 1957 1960 - May Sun>=1 0:00 1:00 D + Rule ROK 1957 1960 - Sep Sun>=18 0:00 0 S + Rule ROK 1987 1988 - May Sun>=8 2:00 1:00 D + Rule ROK 1987 1988 - Oct Sun>=8 3:00 0 S    - # From Paul Eggert (2014-07-01): - # The following entries are from Shanks & Pottenger, except that I - # guessed that time zone abbreviations through 1945 followed the same + # From Paul Eggert (2014-10-30): + # The Korean Wikipedia entry gives the following sources for UT offsets: + # + # 1908: Official Journal Article No. 3994 (Edict No. 5) + # 1912: Governor-General of Korea Official Gazette Issue No. 367 + # (Announcement No. 338) + # 1954: Presidential Decree No. 876 (1954-03-17) + # 1961: Law No. 676 (1961-08-07) + # 1987: Law No. 3919 (1986-12-31) + # + # The Wikipedia entry also has confusing information about a change + # to UT+9 in April 1910, but then what would be the point of the later change + # to UT+9 on 1912-01-01? Omit the 1910 change for now. + # + # I guessed that time zone abbreviations through 1945 followed the same   # rules as discussed under Taiwan, with nominal switches from JST to KST   # when the respective cities were taken over by the Allies after WWII. -  + # + # For Pyongyang we have no information; guess no changes since World War II.      # Zone NAME GMTOFF RULES FORMAT [UNTIL] - Zone Asia/Seoul 8:27:52 - LMT 1890 -  8:30 - KST 1904 Dec -  9:00 - JCST 1928 -  8:30 - KST 1932 + Zone Asia/Seoul 8:27:52 - LMT 1908 Apr 1 +  8:30 - KST 1912 Jan 1    9:00 - JCST 1937 Oct 1    9:00 - JST 1945 Sep 8    9:00 - KST 1954 Mar 21 -  8:00 ROK K%sT 1961 Aug 10 -  8:30 - KST 1968 Oct +  8:30 ROK K%sT 1961 Aug 10    9:00 ROK K%sT - Zone Asia/Pyongyang 8:23:00 - LMT 1890 -  8:30 - KST 1904 Dec -  9:00 - JCST 1928 -  8:30 - KST 1932 + Zone Asia/Pyongyang 8:23:00 - LMT 1908 Apr 1 +  8:30 - KST 1912 Jan 1    9:00 - JCST 1937 Oct 1    9:00 - JST 1945 Aug 24 -  9:00 - KST 1954 Mar 21 -  8:00 - KST 1961 Aug 10 +     9:00 - KST      ###############################################################################