Dates & Times

link - docs.python.org/3/library/datetime.html 

Modules

calendar - General calendar related functions.
time - Time access and conversions.
zoneinfo - Concrete time zones representing the IANA time zone database.

Third Party Packages

dateutil - Third-party library with expanded time zone and parsing support.
datetype - Third-party library that introduces distinct static types to e.g. allow static type checkers to differentiate between naive and aware datetimes.

Date Class

date

DateTime Class

datetime

from datetime import datetime 
current_date = datetime.now() 
print('Today is: ' + str(current_date)) 

from datetime import timedelta 
today = datetime.now() 
one_day = timedelta(days=1) 
yesterday = today - one_day 
print('Yesterday was: ' + str(yesterday)) 

print('Day: ' + str(current_day.day)) 
print('Month: ' + str(current_day.month)) 
print('Year: ' + str(current_day.year)) 

birthday = input('When is your birthday (dd/mm/yyyy)? ') 
birthday_date = datetime.strptime(birthday, '%d/%m/%Y')  
print ('Birthday: ' + str(birthday_date))