DateTimeZone.py is wrong for the US DST switchover

Bug #143883 reported by koshcu
2
Affects Status Importance Assigned to Milestone
DateTime
Invalid
Medium
Unassigned

Bug Description

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

Tags: bug zope
Revision history for this message
Andreas Jung (ajung) wrote :

Changes: submitter email, importance (critical => medium)

affects: zope2 → datetime
Revision history for this message
Jens Vagelpohl (dataflake-deactivatedaccount-deactivatedaccount) wrote :

DateTime uses pytz for time zone handling nowadays.

Changed in datetime:
status: New → Invalid
assignee: nobody → Jens Vagelpohl (dataflake)
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