rrule code example
Example: rrule documentation
>>> list(rrule(DAILY, interval=10, count=5,
... dtstart=parse("19970902T090000")))
[datetime.datetime(1997, 9, 2, 9, 0),
datetime.datetime(1997, 9, 12, 9, 0),
datetime.datetime(1997, 9, 22, 9, 0),
datetime.datetime(1997, 10, 2, 9, 0),
datetime.datetime(1997, 10, 12, 9, 0)]