[tz] Turkey reintroduces DST next year

Paul Eggert eggert at cs.ucla.edu
Wed Nov 8 18:49:22 UTC 2017


Thanks for the heads-up. It appears Turkey has reversed its decision of 
last month and that 2017c was correct after all, so I reverted the 
post-2017c change for Turkey by installing the attached proposed patch 
into the development version on GitHub. This means Turkish timestamp 
users need only to be using tzdb 2016h or later.
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From e15ef79a603a2fba89ad8f38090219b0580f31a9 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Wed, 8 Nov 2017 10:40:40 -0800
Subject: [PROPOSED] =?UTF-8?q?Turkey=20reversed=20last=20month=E2=80=99s?=
 =?UTF-8?q?=20change,=20will=20stay=20+03?=
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Reported by Even Scharning at:
http://mm.icann.org/pipermail/tz/2017-November/025518.html
* NEWS: Remove mention of change in Turkey next year, since
there’s now no change from 2017c.
* europe (Europe/Istanbul): Revert previous change.
---
 NEWS   |  9 ---------
 europe | 10 ++++++++--
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/NEWS b/NEWS
index cee86e4..966f9b6 100644
--- a/NEWS
+++ b/NEWS
@@ -2,15 +2,6 @@ News for the tz database
 
 Unreleased, experimental changes
 
-  Briefly:
-  Turkey switches from +03 to +02/+03 with EU DST on 2018-10-28.
-
-  Changes to future time stamps
-
-    Turkey will switch back from +03 to +02/+03 and resume EU rules
-    starting 2018-10-28, thus reinstituting winter time.  (Thanks to
-    Kıvanç Yazan.)
-
   Changes to past time stamps
 
     A discrepancy of 4 s in timestamps before 1931 in South Sudan has
diff --git a/europe b/europe
index 7bca59b..1f54767 100644
--- a/europe
+++ b/europe
@@ -3585,6 +3585,13 @@ Zone	Europe/Zurich	0:34:08 -	LMT	1853 Jul 16 # See above comment.
 # From Kıvanç Yazan (2017-10-28):
 # Turkey will go back to Daylight Saving Time starting 2018-10.
 # http://www.resmigazete.gov.tr/eskiler/2017/10/20171028-5.pdf
+#
+# From Even Scharning (2017-11-08):
+# ... today it was announced that the DST will become "continuous":
+# http://www.hurriyet.com.tr/son-dakika-yaz-saati-uygulamasi-surekli-hale-geldi-40637482
+# From Paul Eggert (2017-11-08):
+# Although Google Translate misfires on that source, it looks like
+# Turkey reversed last month's decision, and so will stay at +03.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Turkey	1916	only	-	May	 1	0:00	1:00	S
@@ -3658,8 +3665,7 @@ Zone	Europe/Istanbul	1:55:52 -	LMT	1880
 			2:00	EU	EE%sT	2015 Oct 25  1:00u
 			2:00	1:00	EEST	2015 Nov  8  1:00u
 			2:00	EU	EE%sT	2016 Sep  7
-			3:00	-	+03	2018 Oct 28  1:00u
-			2:00	EU	EE%sT
+			3:00	-	+03
 Link	Europe/Istanbul	Asia/Istanbul	# Istanbul is in both continents.
 
 # Ukraine
-- 
2.13.6


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