[tz] [PROPOSED PATCH] * northamerica (TC, America/Grand_Turk): Switch from EST/EDT to AST.

[Matt Johnson]

Typo.  I think you mean "UTC-4 year round". Not +4.

Sent from my Windows Phone
________________________________
From: Paul Eggert<mailto:eggert at cs.ucla.edu>
Sent: ‎8/‎19/‎2014 1:15 AM
To: tz at iana.org<mailto:tz at iana.org>
Subject: [tz] [PROPOSED PATCH] * northamerica (TC, America/Grand_Turk): Switch from EST/EDT to AST.

* NEWS: Document this.
---
 NEWS         |  5 +++++
 northamerica | 12 +++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index 1a78041..6fb00b0 100644
--- a/NEWS
+++ b/NEWS
@@ -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
diff --git a/northamerica b/northamerica
index c6ed74b..4c1d4bd 100644
--- a/northamerica
+++ b/northamerica
@@ -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
--
1.9.1

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