python datetime

• declare: datetime
• today:

from datetime import date
today = date.today()

• now:

from datetime import datetime, date, time
datetime.now()

• format:

syntax: datetime.strftime(format) 

import datetime
d = datetime.datetime(2010, 7, 4, 12, 15, 58)
'{:%Y-%m-%d %H:%M:%S}'.format(d)

'2010-07-04 12:15:58'

• calc:

from datetime import timedelta
date2 = date1 + timedelta