python datetime.combine 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 weekday

df['date_time'].dt.dayofweek #gives only the index(0-monday,6-sunday)
df['date_time'].dt.weekday_name #gives the day