your task is build date convert module which help us date string to date code example
Example 1: string to date python
import datetime
date_time_str = '2018-06-29 08:15:27.243860'
date_time_obj = datetime.datetime.strptime(date_time_str, '%Y-%m-%d %H:%M:%S.%f')
print('Date:', date_time_obj.date())
print('Time:', date_time_obj.time())
print('Date-time:', date_time_obj)
Example 2: converting datetime object format to datetime format python
df['date_time']=pd.to_datetime(df['date_time'], format='%d-%m-%Y %H.%M.%S')
#fomrat given in code should match the format of the feature
#here--> df['date_time'][0]=10-03-2004 18.00.00
#watchout for the blanks '-' '.'