From b73c016c54b4fbe6734404d5c28d516e21542c62 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 9 Aug 2017 17:32:22 -0700
Subject: [PROPOSED 2/2] TCI switches from -04 all year to -05 with DST

* NEWS: Document this.
* northamerica (America/Grand_Turk): Implement it.
---
 NEWS         | 4 ++++
 northamerica | 9 ++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 5829933..370a39f 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,10 @@ Unreleased, experimental changes
     2017-09-03 at 02:00.  This affects UT offsets starting 2018-04-01
     at 02:00.  (Thanks to Steffen Thorsen.)
 
+    Turks & Caicos will switch from -04 all year to -05 with US DST on
+    2018-04-01 at 00:00.  This affects UT offsets starting 2018-11-04
+    at 02:00.  (Thanks to Steffen Thorsen.)
+
   Changes to past time stamps
 
     Detroit did not observe DST in 1967.
diff --git a/northamerica b/northamerica
index b42aeb4..42529de 100644
--- a/northamerica
+++ b/northamerica
@@ -3384,12 +3384,19 @@ Zone America/Miquelon	-3:44:40 -	LMT	1911 May 15 # St Pierre
 # "permanent daylight saving time" by one year....
 # http://tcweeklynews.com/time-change-to-go-ahead-this-november-p5437-127.htm
 #
+# From the Turks & Caicos Cabinet (2017-07-20), heads-up from Steffen Thorsen:
+# ... agreed to the reintroduction in TCI of Daylight Saving Time (DST)
+# during the summer months and Standard Time, also known as Local
+# Time, during the winter months with effect from April 2018 ...
+# https://www.gov.uk/government/news/turks-and-caicos-post-cabinet-meeting-statement--3
+#
 # 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	-	EST	1979
 			-5:00	US	E%sT	2015 Nov Sun>=1 2:00
-			-4:00	-	AST
+			-4:00	-	AST	2018 Apr
+			-5:00	US	E%sT
 
 # British Virgin Is
 # Virgin Is
-- 
2.7.4

