pytz working for Singapore

gistfile1.py

>>> import pytz
>>> from datetime import datetime
>>> time_zone = pytz.timezone('Asia/Singapore')
>>> my_time = datetime.utcnow()
>>> my_time
datetime.datetime(2012, 9, 7, 12, 6, 15, 56631)
>>> my_time.replace(tzinfo=pytz.utc)
datetime.datetime(2012, 9, 7, 12, 6, 15, 56631, tzinfo=<UTC>)
>>> my_time = my_time.replace(tzinfo=pytz.utc)
>>> my_time.astimezone(time_zone)
datetime.datetime(2012, 9, 7, 20, 6, 15, 56631, tzinfo=<DstTzInfo 'Asia/Singapore' SGT+8:00:00 STD>)
>>>

thanks!