From:
http://docs.python.org/py3k/library/datetime.html#timedelta-objects
A timedelta object represents a duration, the difference between two
A datetime.time object can be split into separate integer components that you can add to. No need for timedelta eg:
from datetime import datetime, time time_now = datetime.now().time() twelve_hours_time = time(time_now.hour + 12, time_now.minute)