python datetime day from date code example
Example 1: python datetime weekday
from datetime import datetime
date_str='10-12-20'
datetime_object = datetime.strptime(date_str, '%m-%d-%y')
datetime_object.weekday()
Example 2: python datetime
from datetime import date
f_date = date(2014, 7, 2)
l_date = date(2014, 7, 11)
delta = l_date - f_date
print(delta.days)