proposed changes to time zone "asia" file for Bangladesh

[Danvin Ruangchan]

Perhaps we should properly create a DST rule for Dhaka? Seems like  
this could potentially be a regular occurance, since the news mentions  
DST will be turned off again 7 months after March 31st on Oct 31, 2010.

danvin


On Dec 24, 2009, at 3:03 PM, Arthur David Olson <olsona at elsie.nci.nih.gov 
 > wrote:

> Below are changes to the "asia" file to reflect news from Bangladesh.
> Since clocks are due to change with the year, these changes will  
> appear
> in the ftp archive this coming Monday (2009-12-28) unless problems  
> are found.
>
>                --ado
>
> ------- asia -------
> *** /tmp/geta5692    Thu Dec 24 18:00:10 2009
> --- /tmp/getb5692    Thu Dec 24 18:00:10 2009
> ***************
> *** 1,4 ****
> ! # @(#)asia    8.48
>  # This file is in the public domain, so clarified as of
>  # 2009-05-17 by Arthur David Olson.
>
> --- 1,4 ----
> ! # @(#)asia    8.49
>  # This file is in the public domain, so clarified as of
>  # 2009-05-17 by Arthur David Olson.
>
> ***************
> *** 196,201 ****
> --- 196,219 ----
>  # http://www.thaindian.com/newsportal/business/bangladesh-to-continue-indefinitely-with-advanced-time_100259987.html
>  # </a>
>
> + # 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="http://www.thedailystar.net/newDesign/news-details.php?nid=119228 
> ">
> + # http://www.thedailystar.net/newDesign/news-details.php?nid=119228
> + # </a>
> + # and
> + # <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html 
> ">
> + # 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..."
> +
>  # Zone    NAME        GMTOFF    RULES    FORMAT    [UNTIL]
>  Zone    Asia/Dhaka    6:01:40 -    LMT    1890
>              5:53:20    -    HMT    1941 Oct    # Howrah Mean Time?
> ***************
> *** 204,209 ****
> --- 222,229 ----
>              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    2010
> +            6:00    -    BDT    2010 Apr
>              6:00    1:00    BDST
>
>  # Bhutan
>