[tz] Palestine DST starts on 2013-03-29

[Paul Eggert]

Thanks for the heads-up.  Here's a draft patch to the
tz database, which I've pushed to the experimental repository
at <https://github.com/eggert/tz>.

>From 63814cf0a86a5329fecf12e6a60d527a83b9b729 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Tue, 26 Mar 2013 14:23:08 -0700
Subject: [PATCH] Palestine observes DST starting March 29, 2013.

Thanks to Steffen Thorsen, in
<http://mm.icann.org/pipermail/tz/2013-March/018812.html>.
* asia (Palestine): Add rules for 2011 on, to simplify Gaza and Hebron.
Adjust to recently announced changed.
(Asia/Gaza, Asia/Hebron): Use adjusted rules.
---
 asia |   46 ++++++++++++++++++++++++----------------------
 1 file changed, 24 insertions(+), 22 deletions(-)

diff --git a/asia b/asia
index 1f09fa3..e94deb7 100644
--- a/asia
+++ b/asia
@@ -2291,11 +2291,20 @@ Zone	Asia/Karachi	4:28:12 -	LMT	1907
 # http://www.timeanddate.com/news/time/gaza-west-bank-dst-2012.html
 # </a>
 
-# From Arthur David Olson (2012-03-27):
-# The timeanddate article for 2012 says that "the end date has not yet been
-# announced" and that "Last year, both...paused daylight saving time during...
-# Ramadan. It is not yet known [for] 2012."
-# For now, assume both switch back on the last Friday in September. XXX
+# From Steffen Thorsen (2013-03-26):
+# The following news sources tells that Palestine will "start daylight saving
+# time from midnight on Friday, March 29, 2013" (translated).
+# [These are in Arabic and are for Gaza and for Ramallah, respectively.]
+# http://www.samanews.com/index.php?act=Show&id=154120
+# http://safa.ps/details/news/99844/%D8%B1%D8%A7%D9%85-%D8%A7%D9%84%D9%84%D9%87-%D8%A8%D8%AF%D8%A1-%D8%A7%D9%84%D8%AA%D9%88%D9%82%D9%8A%D8%AA-%D8%A7%D9%84%D8%B5%D9%8A%D9%81%D9%8A-29-%D8%A7%D9%84%D8%AC%D8%A7%D8%B1%D9%8A.html
+
+# From Paul Eggert (2013-03-26):
+# For future dates, guess the last Thursday in March at 24:00 through
+# the first Friday on or after September 21 at 01:00.  This is consistent with
+# the predictions in today's editions of the following URLs,
+# which are for Gaza and Hebron respectively:
+# http://www.timeanddate.com/worldclock/timezone.html?n=702
+# http://www.timeanddate.com/worldclock/timezone.html?n=2364
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	S
@@ -2317,11 +2326,10 @@ Rule Palestine	2009	only	-	Mar	lastFri	0:00	1:00	S
 Rule Palestine	2009	only	-	Sep	Fri>=1	2:00	0	-
 Rule Palestine	2010	only	-	Mar	lastSat	0:01	1:00	S
 Rule Palestine	2010	only	-	Aug	11	0:00	0	-
-
-# From Arthur David Olson (2011-09-20):
-# 2011 transitions per http://www.timeanddate.com as of 2011-09-20.
-# From Paul Eggert (2012-10-12):
-# 2012 transitions per http://www.timeanddate.com as of 2012-10-12.
+Rule Palestine	2011	only	-	Apr	 2	0:01	1:00	S
+Rule Palestine	2011	only	-	Aug	 1	0:00	0	-
+Rule Palestine	2012	max	-	Mar	lastThu	24:00	1:00	S
+Rule Palestine	2012	max	-	Sep	Fri>=21	1:00	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
@@ -2329,11 +2337,7 @@ Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
 			2:00 EgyptAsia	EE%sT	1967 Jun  5
 			2:00	Zion	I%sT	1996
 			2:00	Jordan	EE%sT	1999
-			2:00 Palestine	EE%sT	2011 Apr  2 12:01
-			2:00	1:00	EEST	2011 Aug  1
-			2:00	-	EET	2012 Mar 30
-			2:00	1:00	EEST	2012 Sep 21 1:00
-			2:00	-	EET
+			2:00 Palestine	EE%sT
 
 Zone	Asia/Hebron	2:20:23	-	LMT	1900 Oct
 			2:00	Zion	EET	1948 May 15
@@ -2342,13 +2346,11 @@ Zone	Asia/Hebron	2:20:23	-	LMT	1900 Oct
 			2:00	Jordan	EE%sT	1999
 			2:00 Palestine	EE%sT	2008 Aug
 			2:00 	1:00	EEST	2008 Sep
-			2:00 Palestine	EE%sT	2011 Apr  1 12:01
-			2:00	1:00	EEST	2011 Aug  1
-			2:00	-	EET	2011 Aug 30
-			2:00	1:00	EEST	2011 Sep 30 3:00
-			2:00	-	EET	2012 Mar 30
-			2:00	1:00	EEST	2012 Sep 21 1:00
-			2:00	-	EET
+			2:00 Palestine	EE%sT	2010 Mar 26 2:00
+			2:00	1:00	EEST	2010 Aug 11 0:00
+			2:00	-	EET	2011 Apr  1 0:01
+			2:00	1:00	EEST	2011 Sep 30 0:00
+			2:00 Palestine	EE%sT
 
 # Paracel Is
 # no information
-- 
1.7.10.4