Get Common Time String in Python

GetTimeString.py

import datetime
from pytz import timezone # pip install pytz
# print( pytz.country_timezones[ "US" ] )
def get_common_time_string( time_zone=timezone( "US/Eastern" ) ):
	now = datetime.datetime.now().astimezone( self.timezone )
	milliseconds = round( now.microsecond / 1000 )
	milliseconds = str( milliseconds ).zfill( 3 )
	now_string = now.strftime( "%d%b%Y === %H:%M:%S" ).upper()
	return f"{now_string}.{milliseconds}"