Python Date & Time functions

Importing datetime library

from datetime import date

from datetime import date
dt = date.today()
print(dt)    # 2019-09-16

Getting day , month , year and weekday

from datetime import date

print("Today day : ", date.today().day)
print("Today month : ", date.today().month)
print("Today year : ", date.today().year)
print("Today weekday : ", date.today().weekday())

Today day :  16
Today month :  9
Today year :  2019
Today weekday :  0

Tomorrow

from datetime import timedelta, date, datetime

dt = date.today() + timedelta(days=1) # Tomorrow
print(dt)

Yesterday

dt = date.today() + timedelta(days=-1) # Yesterday

More Instance methods:

import datetime

dt = datetime.datetime(2019, 5, 24) # Year, Month, Day
print(dt.day, dt.month, dt.year) # 24 5 2019

Difference in two dates

from datetime import date

d1 = date(2022, 6, 30) # Year, Month, Day
d2 = date(2023, 2, 16) # Year, Month, Day

diff_days = d2 - d1
print('Difference in days  :', diff_days.days) # Difference in days: 231

Getting time

import time

h = time.strftime('%I') # Getting local hour in 12-hour format as a string
h = int(h) * 2 # Convert to integer and multiply by 2
print(h)

Getting Date and time

from datetime import datetime

now = datetime.now()
print(now) # Present date and time

# Use different formats
dt = datetime.strftime(now, '%Y/%m/%d : %H:%M:%S')
print(dt)

2021-12-22 06:27:52.051532
2021/12/22 : 06:27:52

import datetime

dt = datetime.datetime(2019, 5, 24, 14, 52, 53)
print(dt.day, dt.month, dt.year) # 24 5 2019
print(dt.hour, dt.minute, dt.second) # 14 52 53

24 5 2019
14 52 53

Present Year , previous year and Next year

import datetime

today = datetime.datetime.now() # Creating date object
print("Current Year is :", today.year) # Current year as integer

year1 = today.year # The year part or the year attribute
print("Next Year is : ", year1 + 1) # Year is an integer here.

year2 = today.strftime("%Y") # Returns year as a string
print("Previous Year is : ", int(year2) - 1) # Converts to integer then subtract

Subhendu Mohapatra

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