See: http://bytes.com/topic/python/answers/676275-pytz-giving-incorrect-offset-timezone
In the comments, someone proposes to use tzinfo.localize()
instead of the datetime
constructor, which does the trick.
>>> tz = timezone('Asia/Kolkata')
>>> dt = tz.localize(datetime.datetime(2011, 6, 20, 0, 0, 0, 0))
>>> dt
datetime.datetime(2011, 6, 20, 0, 0, tzinfo=<DstTzInfo 'Asia/Kolkata' IST+5:30:00 STD>)
UPDATE: Actually, the official pytz website states that you should always use localize
or astimezone
instead of passing a timezone object to datetime.datetime
.