From olsona@lecserver.nci.nih.gov Sat Dec 26 08:31:50 2009
From: Arthur David Olson <olsona@lecserver.nci.nih.gov>
To: tz@iana.org
Subject: Re: proposed changes to time zone "asia" file for Bangladesh
Date: Sat, 26 Dec 2009 08:31:49 -0500
Message-ID: <200912261331.nBQDVnRg010491@lecserver.nci.nih.gov>
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At Danvin Ruangchan's suggestion, here's the proposed change to Bangladesh
as a rule.

				--ado

------- asia -------
*** /tmp/geta10467	Sat Dec 26 08:26:16 2009
--- /tmp/getb10467	Sat Dec 26 08:26:16 2009
***************
*** 1,4 ****
! # @(#)asia	8.48
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
 =20
--- 1,4 ----
! # @(#)asia	8.50
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
 =20
***************
*** 196,201 ****
--- 196,236 ----
  # http://www.thaindian.com/newsportal/business/bangladesh-to-continue-indef=
initely-with-advanced-time_100259987.html
  # </a>
 =20
+ # From Alexander Krivenyshev (2009-12-24):
+ # According to Bangladesh newspaper "The Daily Star,"
+ # Bangladesh will change its clock back to Standard Time on Dec 31, 2009.
+ #
+ # Clock goes back 1-hr on Dec 31 night.
+ # <a href=3D"http://www.thedailystar.net/newDesign/news-details.php?nid=3D1=
19228">
+ # http://www.thedailystar.net/newDesign/news-details.php?nid=3D119228
+ # </a>
+ # and
+ # <a href=3D"http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.ht=
ml">
+ # http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html
+ # </a>
+ #
+ # "...The government yesterday decided to put the clock back by one hour
+ # on December 31 midnight and the new time will continue until March 31,
+ # 2010 midnight. The decision came at a cabinet meeting at the Prime
+ # Minister's Office last night..."
+=20
+ # From Danvin Ruangchan (2009-12-24):
+ # ...the news mentions DST will be turned off again 7 months after March
+ # 31st on Oct 31, 2010.
+=20
+ # From Arthur David Olson (2009-12-26):
+ # Indeed, "The government will advance again the Banglasdesh Standard
+ # Time by one one hour on March 31 next year by enforcing the Daylight
+ # Saving Time (DST) for seven months. It will continue till October 31
+ # until further notice." I take that last sentence as the
+ # establishment of a rule.
+=20
+ # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+ Rule	Dhaka	2009	only	-	Jun	29	23:00	1	S
+ Rule	Dhaka	2010	only	-	Jan	1	0:00	-	-
+ Rule	Dhaka	2010	max	-	Mar	31	23:00	1	S
+ Rule	Dhaka	2010	max	-	Nov	1	0:00	-	-
+=20
  # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
  Zone	Asia/Dhaka	6:01:40 -	LMT	1890
  			5:53:20	-	HMT	1941 Oct    # Howrah Mean Time?
***************
*** 203,210 ****
  			5:30	-	IST	1942 Sep
  			6:30	-	BURT	1951 Sep 30
  			6:00	-	DACT	1971 Mar 26 # Dacca Time
! 			6:00	-	BDT	2009 Jun 19 23:00 # Bangladesh Time
! 			6:00	1:00	BDST
 =20
  # Bhutan
  # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
--- 238,245 ----
  			5:30	-	IST	1942 Sep
  			6:30	-	BURT	1951 Sep 30
  			6:00	-	DACT	1971 Mar 26 # Dacca Time
! 			6:00	-	BDT	2009
! 			6:00	Dhaka	BD%sT
 =20
  # Bhutan
  # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]

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