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* northamerica (TC, America/Grand_Turk): Switch from EST/EDT to AST.

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* NEWS: Document this.
This commit is contained in:
Paul Eggert
2014-08-19 01:10:19 -07:00
parent 253d158c17
commit d7c4d73ba3
2 changed files with 14 additions and 3 deletions
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5
NEWS
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@@ -2,6 +2,11 @@ News for the tz database
Unreleased, experimental changes
Changes affecting future time stamps
Turks & Caicos is switching from US eastern time to UTC+4 year-round,
modeled as a switch from EST/EDT to AST on 2014-11-02 at 02:00.
Changes affecting past time stamps
Time in Russia or the USSR before 1926 or so has been corrected by

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northamerica
View File

@@ -3117,16 +3117,22 @@ Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre
# Shanks & Pottenger say they use US DST rules, but IATA SSIM (1991/1998)
# says they switch at midnight. Go with Shanks & Pottenger.
#
# From Paul Eggert (2014-08-19):
# The 2014-08-13 Cabinet meeting decided to stay on UTC-4 year-round. See:
# http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm
# Model this as a switch from EST/EDT to AST on 2014-11-02 at 02:00.
#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule TC 1979 1986 - Apr lastSun 2:00 1:00 D
Rule TC 1979 2006 - Oct lastSun 2:00 0 S
Rule TC 1987 2006 - Apr Sun>=1 2:00 1:00 D
Rule TC 2007 max - Mar Sun>=8 2:00 1:00 D
Rule TC 2007 max - Nov Sun>=1 2:00 0 S
Rule TC 2007 2014 - Mar Sun>=8 2:00 1:00 D
Rule TC 2007 2014 - Nov Sun>=1 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Grand_Turk -4:44:32 - LMT 1890
-5:07:11 - KMT 1912 Feb # Kingston Mean Time
-5:00 TC E%sT
-5:00 TC E%sT 2014 Nov 2 2:00
-4:00 - AST
# British Virgin Is
# Virgin Is