[ZCM] [ZC] 2290/ 2 Edit "DateTimeZone.py is wrong for the US DST switchover"

Issue #2290 Update (Edit) "DateTimeZone.py is wrong for the US DST switchover"
 Status Pending, Zope/bug medium
To followup, visit:
  http://www.zope.org/Collectors/Zope/2290

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= Edit - Entry #2 by ajung on Jun 9, 2007 8:19 am

 Changes: submitter email, importance (critical => medium)
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= Request - Entry #1 by kosh on Mar 12, 2007 10:18 pm

DateTimeZone.py has the wrong start and end dates for the DST change for the US. For example it has 1175421600 as the time to switch to DST for US/Pacific which is April 1, 2007 and it should be Mar 11, 2007 for the changeover which is about 1173596400  (that is probably off by a few hours since the switchover is not right at midnight)

So this means that for the US all viewing of times in zope is currently wrong which is a pretty severe issue.

DateTimeZone.py is used by a lot of stuff in DateTime.py
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