4 # This file is by no means authoritative; if you think you know better, |
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 |
5 # go ahead and edit the file (and please send any changes to |
6 # [email protected] for general use in the future). For more, please see |
6 # [email protected] for general use in the future). For more, please see |
7 # the file CONTRIBUTING in the tz distribution. |
7 # the file CONTRIBUTING in the tz distribution. |
8 |
8 |
9 # From Paul Eggert (2013-08-11): |
9 # From Paul Eggert (2014-10-31): |
10 # |
10 # |
11 # A good source for time zone historical data outside the U.S. is |
11 # Unless otherwise specified, the source for data through 1990 is: |
12 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), |
12 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), |
13 # San Diego: ACS Publications, Inc. (2003). |
13 # San Diego: ACS Publications, Inc. (2003). |
|
14 # Unfortunately this book contains many errors and cites no sources. |
14 # |
15 # |
15 # Gwillim Law writes that a good source |
16 # Gwillim Law writes that a good source |
16 # for recent time zone data is the International Air Transport |
17 # for recent time zone data is the International Air Transport |
17 # Association's Standard Schedules Information Manual (IATA SSIM), |
18 # Association's Standard Schedules Information Manual (IATA SSIM), |
18 # published semiannually. Law sent in several helpful summaries |
19 # published semiannually. Law sent in several helpful summaries |
19 # of the IATA's data after 1990. |
20 # of the IATA's data after 1990. Except where otherwise noted, |
20 # |
21 # IATA SSIM is the source for entries after 1990. |
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 # |
22 # |
24 # Another source occasionally used is Edward W. Whitman, World Time Differences, |
23 # Another source occasionally used is Edward W. Whitman, World Time Differences, |
25 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which |
24 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which |
26 # I found in the UCLA library. |
25 # I found in the UCLA library. |
27 # |
26 # |
1661 ############################################################################### |
1657 ############################################################################### |
1662 |
1658 |
1663 # Korea (North and South) |
1659 # Korea (North and South) |
1664 |
1660 |
1665 # From Annie I. Bang (2006-07-10): |
1661 # From Annie I. Bang (2006-07-10): |
1666 # http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp |
1662 # http://www.koreaherald.com/view.php?ud=200607100012 |
1667 # The Ministry of Commerce, Industry and Energy has already |
1663 # Korea ran a daylight saving program from 1949-61 but stopped it |
1668 # commissioned a research project [to reintroduce DST] and has said |
1664 # during the 1950-53 Korean War. The system was temporarily enforced |
1669 # the system may begin as early as 2008.... Korea ran a daylight |
1665 # between 1987 and 1988 ... |
1670 # saving program from 1949-61 but stopped it during the 1950-53 Korean War. |
1666 |
1671 |
1667 # From Sanghyuk Jung (2014-10-29): |
1672 # From Shanks & Pottenger: |
1668 # http://mm.icann.org/pipermail/tz/2014-October/021830.html |
|
1669 # According to the Korean Wikipedia |
|
1670 # http://ko.wikipedia.org/wiki/한국_표준시 |
|
1671 # [oldid=12896437 2014-09-04 08:03 UTC] |
|
1672 # DST in Republic of Korea was as follows.... And I checked old |
|
1673 # newspapers in Korean, all articles correspond with data in Wikipedia. |
|
1674 # For example, the article in 1948 (Korean Language) proved that DST |
|
1675 # started at June 1 in that year. For another example, the article in |
|
1676 # 1988 said that DST started at 2:00 AM in that year. |
|
1677 |
1673 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1678 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1674 Rule ROK 1960 only - May 15 0:00 1:00 D |
1679 Rule ROK 1948 only - Jun 1 0:00 1:00 D |
1675 Rule ROK 1960 only - Sep 13 0:00 0 S |
1680 Rule ROK 1948 only - Sep 13 0:00 0 S |
1676 Rule ROK 1987 1988 - May Sun>=8 0:00 1:00 D |
1681 Rule ROK 1949 only - Apr 3 0:00 1:00 D |
1677 Rule ROK 1987 1988 - Oct Sun>=8 0:00 0 S |
1682 Rule ROK 1949 1951 - Sep Sun>=8 0:00 0 S |
1678 |
1683 Rule ROK 1950 only - Apr 1 0:00 1:00 D |
1679 # From Paul Eggert (2014-07-01): |
1684 Rule ROK 1951 only - May 6 0:00 1:00 D |
1680 # The following entries are from Shanks & Pottenger, except that I |
1685 Rule ROK 1955 only - May 5 0:00 1:00 D |
1681 # guessed that time zone abbreviations through 1945 followed the same |
1686 Rule ROK 1955 only - Sep 9 0:00 0 S |
|
1687 Rule ROK 1956 only - May 20 0:00 1:00 D |
|
1688 Rule ROK 1956 only - Sep 30 0:00 0 S |
|
1689 Rule ROK 1957 1960 - May Sun>=1 0:00 1:00 D |
|
1690 Rule ROK 1957 1960 - Sep Sun>=18 0:00 0 S |
|
1691 Rule ROK 1987 1988 - May Sun>=8 2:00 1:00 D |
|
1692 Rule ROK 1987 1988 - Oct Sun>=8 3:00 0 S |
|
1693 |
|
1694 # From Paul Eggert (2014-10-30): |
|
1695 # The Korean Wikipedia entry gives the following sources for UT offsets: |
|
1696 # |
|
1697 # 1908: Official Journal Article No. 3994 (Edict No. 5) |
|
1698 # 1912: Governor-General of Korea Official Gazette Issue No. 367 |
|
1699 # (Announcement No. 338) |
|
1700 # 1954: Presidential Decree No. 876 (1954-03-17) |
|
1701 # 1961: Law No. 676 (1961-08-07) |
|
1702 # 1987: Law No. 3919 (1986-12-31) |
|
1703 # |
|
1704 # The Wikipedia entry also has confusing information about a change |
|
1705 # to UT+9 in April 1910, but then what would be the point of the later change |
|
1706 # to UT+9 on 1912-01-01? Omit the 1910 change for now. |
|
1707 # |
|
1708 # I guessed that time zone abbreviations through 1945 followed the same |
1682 # rules as discussed under Taiwan, with nominal switches from JST to KST |
1709 # rules as discussed under Taiwan, with nominal switches from JST to KST |
1683 # when the respective cities were taken over by the Allies after WWII. |
1710 # when the respective cities were taken over by the Allies after WWII. |
1684 |
1711 # |
1685 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1712 # For Pyongyang we have no information; guess no changes since World War II. |
1686 Zone Asia/Seoul 8:27:52 - LMT 1890 |
1713 |
1687 8:30 - KST 1904 Dec |
1714 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1688 9:00 - JCST 1928 |
1715 Zone Asia/Seoul 8:27:52 - LMT 1908 Apr 1 |
1689 8:30 - KST 1932 |
1716 8:30 - KST 1912 Jan 1 |
1690 9:00 - JCST 1937 Oct 1 |
1717 9:00 - JCST 1937 Oct 1 |
1691 9:00 - JST 1945 Sep 8 |
1718 9:00 - JST 1945 Sep 8 |
1692 9:00 - KST 1954 Mar 21 |
1719 9:00 - KST 1954 Mar 21 |
1693 8:00 ROK K%sT 1961 Aug 10 |
1720 8:30 ROK K%sT 1961 Aug 10 |
1694 8:30 - KST 1968 Oct |
|
1695 9:00 ROK K%sT |
1721 9:00 ROK K%sT |
1696 Zone Asia/Pyongyang 8:23:00 - LMT 1890 |
1722 Zone Asia/Pyongyang 8:23:00 - LMT 1908 Apr 1 |
1697 8:30 - KST 1904 Dec |
1723 8:30 - KST 1912 Jan 1 |
1698 9:00 - JCST 1928 |
|
1699 8:30 - KST 1932 |
|
1700 9:00 - JCST 1937 Oct 1 |
1724 9:00 - JCST 1937 Oct 1 |
1701 9:00 - JST 1945 Aug 24 |
1725 9:00 - JST 1945 Aug 24 |
1702 9:00 - KST 1954 Mar 21 |
|
1703 8:00 - KST 1961 Aug 10 |
|
1704 9:00 - KST |
1726 9:00 - KST |
1705 |
1727 |
1706 ############################################################################### |
1728 ############################################################################### |
1707 |
1729 |
1708 # Kuwait |
1730 # Kuwait |
1709 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1731 # See Asia/Riyadh. |
1710 Zone Asia/Kuwait 3:11:56 - LMT 1950 |
|
1711 3:00 - AST |
|
1712 |
1732 |
1713 # Laos |
1733 # Laos |
1714 # See Asia/Bangkok. |
1734 # See Asia/Bangkok. |
1715 |
1735 |
1716 |
1736 |