>>> from dateutil import parser
>>> from dateutil.tz import tzutc, tzlocal
>>>
>>> s = 'Sun Oct 31 15:43:19 +0000 2010'
>>>
>>> d = parser.parse(s)
>>> print d
2010-10-31 15:43:19+00:00
>>>
>>> d = d.astimezone(tzlocal())
>>> print d
2010-11-01 00:43:19+09:00
>>>
>>> d = d.astimezone(tzutc())
>>> print d
2010-10-31 15:43:19+00:00