Playing with time zones

>>> from datetime import datetime
>>> import pytz
>>> from pytz import timezone

>>> utc = pytz.utc
>>> paris = timezone('Europe/Paris')

>>> now = datetime.utcnow()
>>> utc_now = now.replace(tzinfo=utc)
>>> utc_now
datetime.datetime(2011, 4, 1, 15, 30, 39, 337114, tzinfo=)
>>> utc_now.astimezone(paris)
datetime.datetime(2011, 4, 1, 17, 30, 39, 337114, tzinfo=)