>>> datetime.datetime.now(pytz.utc).isoformat()'2012-02-17T11:58:44.789024+00:00'>>> datetime.datetime.now(pytz.timezone('Europe/Paris')).isoformat()'2012-02-17T13:00:10.885743+01:00'
apply your own time zone if needed.
Take a look at http://docs.python.org/library/datetime.html#datetime.date.strftime