datetime.datetime(2013, 9, 11, 0, 17, tzinfo=dateutil.tz.tzoffset(None, 9 *
    60 * 60))
datetime.datetime(2013, 9, 11, 0, 17, tzinfo=dateutil.tz.tzoffset('KST', 9 *
    60 * 60))
How to set UTC offset for datetime?