import datetime print datetime.datetime.now() print datetime.datetime.now() - datetime.timedelta(minutes=2) print datetime.datetime.now() - datetime.timedelta(seconds=10) print datetime.datetime.now() - datetime.timedelta(milliseconds=400)
el@dev ~ $ python test.py 2014-11-26 06:47:07.179411 2014-11-26 06:45:07.179538 2014-11-26 06:46:57.179581 2014-11-26 06:47:06.779614
References
http://stackoverflow.com/questions/13897246/python-time-subtraction