datetime

• timedelta, a duration expressing the difference between two date, time, or datetime instances
• tzinfo, time zone information
  • timezone
• time, hour, minute, second, microsecond, and tzinfo
• date, year, month, and day
  • datetime, year, month, day, hour, minute, second, microsecond, and tzinfo

date

from datetime import date
import time

# create date
d = date.fromisoformat('2019-12-04')
d = date(2021, 2, 5)
d = date.today()
d = date.fromtimestamp(time.time())

# change date
temp = d.replace(day = 10)
temp = d.replace(month = 10)
temp = d.replace(year = 2022)
print(temp)

# access
d.year # int
d.month # int
d.day # int
d.timetuple() # year, month, day, hour, min, sec, d.weekday, d.day, -1
d.weekday() # Monday is 0 and Sunday is 6
d.isoweekday() # Monday is 1 and Sunday is 7
d.isocalendar() # year, week and weekday
d.isoformat() # str
d.ctime() # str
d.strftime("%d/%m/%y")

2022-02-05

'05/02/21'

datatime

from datetime import datetime

# create datetime
d = datetime.today()
d = datetime.now()
d = datetime.utcnow()
d = datetime.fromtimestamp(time.time())
d = datetime.fromisoformat('2011-11-04T00:05:23')

# change date
temp = d.replace(year=2022)

# access
day = d.date() # get date
d.year # int
d.month
d.day
d.hour
d.minute
d.second
d.microsecond
d.tzinfo
d.isoformat()
d.ctime()
d.strftime("%d/%m/%y %H:%M")

'04/11/11 00:05'

timedelta

d1 = datetime.fromisoformat('2011-11-04T00:05:23')
d2 = datetime.now() # 2021-02-06 00:09:26.719018

# create teimdelta
delta = d2-d1

# access
delta.days # int, day difference
delta.seconds # int, second difference

328

Reference

• strftime format