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From:	"Dave Korn" <dave DOT korn AT artimi DOT com>
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Subject:	RE: date reports wrong date/time with DST 2007 on windows 2003 in timezone
Date:	Tue, 4 Sep 2007 16:14:04 +0100
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On 04 September 2007 16:03, Larry Hall (Cygwin) wrote:

> lei chao wrote:
>> Hi,
>> 
>> I just installed cygwin 1.5.24-2 on windows 2003.   To test some
>> timezone issue,  I set  system time to Nov 2,  2007.    Then if I set
>> TZ to PST8PDT,  date command reports one hour behind the correct time.
>>   but if I unset TZ,  date works well.   And it looks like date can
>> work with PST8PDT correctly in 2006 instead of 2007.
> 
> <snip>
> 
> Try setting the date to 11/21 and try again.  IIRC, DST extends an extra
> 3 weeks this year in the US.  Don't know why it would "work" without TZ
> set though.  Sounds like a Windows problem.  

  'doze plays incredibly silly games with DST.  It actually realigns the epoch by an hour when you enter or leave DST, so all your file creation/modified times shift by an hour.

  While this could even be helpful in the case of running a 'make' job over a DST change, it's pretty much in line with the POMS.

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....


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