From 3abaa481ae9709135ae0a494bd5a417672a6cdc3 Mon Sep 17 00:00:00 2001 From: Tim Parenti Date: Sat, 4 Oct 2014 19:19:51 -0400 Subject: Update Asia/Ho_Chi_Minh and create Asia/Hanoi. * asia (Asia/Ho_Chi_Minh): South Vietnam remained on UT+08:00 until 1955-07, not 1931-05. It also observed UT+08:00 from 1960-01 until 1975-06-13. (Asia/Hanoi): New zone to represent timekeeping in North Vietnam, especially prior to reunification. * zone.tab, zone1970.tab (VN): Add Asia/Hanoi. * NEWS: Document this. --- NEWS | 8 +++++++- asia | 14 +++++++++++++- zone.tab | 1 + zone1970.tab | 1 + 4 files changed, 22 insertions(+), 2 deletions(-) diff --git a/NEWS b/NEWS index 6640268..c17787d 100644 --- a/NEWS +++ b/NEWS @@ -7,7 +7,13 @@ Unreleased, experimental changes The date of the introduction of standard time in Asia/Ho_Chi_Minh and Asia/Phnom_Penh was 1906-07-01, not 06-09; additionally, UT+7:00 was adopted in these locations on 1911-05-01, not 03-11. The time has been - adjusted by a few seconds during this time. + adjusted by a few seconds during this time. Also, Asia/Ho_Chi_Minh has + been updated to better reflect the time in South Vietnam between 1931 and + 1975. + (Thanks to Trần Ng�c Quân for reporting the problems.) + + A new zone, Asia/Hanoi, has been created to reflect the time in North + Vietnam prior to reunification. (Thanks to Trần Ng�c Quân for reporting the problem.) diff --git a/asia b/asia index 7ca109f..5b54b6b 100644 --- a/asia +++ b/asia @@ -2790,6 +2790,16 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 # The Paris meridian is at 2°20'14"; adding 104°17'17" gives 106°37'31", or # UT+7:06:30. +# Zone NAME GMTOFF RULES FORMAT [UNTIL] +Zone Asia/Hanoi 7:03:24 - LMT 1906 Jul 1 0:00 + 7:06:30 - PLMT 1911 May 1 0:00 # Phù Liễn MT + 7:00 - ICT 1942 Dec 31 23:00 + 8:00 - ICT 1945 Mar 14 23:00 + 9:00 - JST 1945 Sep 2 + 7:00 - ICT 1947 Mar 31 23:00 + 8:00 - ICT 1954 Oct 9 23:00 + 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. @@ -2799,7 +2809,9 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1 0:00 7:06:30 - PLMT 1911 May 1 0:00 # Phù Liễn MT 7:00 - ICT 1912 May - 8:00 - ICT 1931 May + 8:00 - ICT 1955 Jul + 7:00 - ICT 1960 Jan + 8:00 - ICT 1975 Jun 13 # Reunification 7:00 - ICT # Yemen diff --git a/zone.tab b/zone.tab index 084bb2f..8fd436b 100644 --- a/zone.tab +++ b/zone.tab @@ -428,6 +428,7 @@ VC +1309-06114 America/St_Vincent VE +1030-06656 America/Caracas VG +1827-06437 America/Tortola VI +1821-06456 America/St_Thomas +VN +2102+10551 Asia/Hanoi VN +1045+10640 Asia/Ho_Chi_Minh VU -1740+16825 Pacific/Efate WF -1318-17610 Pacific/Wallis diff --git a/zone1970.tab b/zone1970.tab index f0e38f1..62258eb 100644 --- a/zone1970.tab +++ b/zone1970.tab @@ -363,6 +363,7 @@ UY -3453-05611 America/Montevideo UZ +3940+06648 Asia/Samarkand west Uzbekistan UZ +4120+06918 Asia/Tashkent east Uzbekistan VE +1030-06656 America/Caracas +VN +2102+10551 Asia/Hanoi VU -1740+16825 Pacific/Efate WF -1318-17610 Pacific/Wallis WS -1350-17144 Pacific/Apia -- 2.1.1