python32.timeline

#!/usr/local/bin/python 3.2
# -*- coding: utf-8 -*-

import datetime

print([(datetime.date(2011,11,29)+datetime.timedelta(nap)).isoformat()
       for nap in range(1,(datetime.date(2012,12,31)-datetime.date(2011,11,29)).days,)
       if nap%4==0])