# find the day of the week of a given date
# Python will trap impossible dates like (1900, 2, 29)
# tested with Python24   vegaseat  01aug2005
from datetime import date
# a typical birthday year, month, day 
# or change it to your own birthday... 
birthday = date(1983, 12, 25)
dayList = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday']
# date.weekday() returns 0 for Monday and so on, so pick the day string from the dayList
print "The day of the week on %s was a %s" % (birthday.strftime("%d%b%Y"), dayList[date.weekday(birthday)])