Hotfix Available for Bangladesh 2009/2010 Daylight Saving Time

12/28/2009 Update: As announced today, Bangladesh has decided to end DST on December 31, 2009.  This hotfix does not address this most recent change on Bangladesh's time.  Please stay tuned for more information on Bangladesh's newest DST change.


According to an announcement from the Bangladesh government, the Bangladesh cabinet decided to advance Bangladesh Standard Time by one hour from 23:00:00 June 19th, 2009 to save electricity during evening peak hours. No DST end date has been announced at the time of this release. There was no DST for Bangladesh prior to this announcement.


This hotfix adds a new (GMT +06:00) Dhaka time zone with the following DST settings:

-          DST starts at 23:00:00 on June 19th, 2009 and will continue until end of 2009

-          Bias will change to UTC+7 in 2010 with no DST



When the Bangladesh government announces the final DST policy, a further update will be required.


Microsoft has produced a hotfix to implement this change.  If interested in downloading this hotfix, please refer KB978125

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