date format python YYYY-MM-DD code example

Example 1: yyyy-mm-dd hh:mm:ss.0 python

now = datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")

Example 2: python date from yy/mm/dd to yy-mm-dd

lastconnection = datetime.strptime("21/12/2008", "%d/%m/%Y").strftime('%Y-%m-%d')

Example 3: convert date yyyy-mm-dd to dd-mm-yyyy in python

import re
def change_date_format(dt):
        return re.sub(r'(\d{4})-(\d{1,2})-(\d{1,2})', '\\3-\\2-\\1', dt)
dt1 = "2026-01-02"
print("Original date in YYY-MM-DD Format: ",dt1)
print("New date in DD-MM-YYYY Format: ",change_date_format(dt1))

Example 4: python datetime format yyyy-mm-dd

from datetime import datetime
now = datetime.today().isoformat()
print(now) # '2018-12-05T11:15:55.126382'

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