Answers for "format datetime.utcnow maintain type python"

python datetime milliseconds

from datetime import datetime

dt_obj = datetime.strptime('20.12.2016 09:38:42,76',
                           '%d.%m.%Y %H:%M:%S,%f')
millisec = dt_obj.timestamp() * 1000

print(millisec)

datetime year python

import datetime
now = datetime.datetime.now()
print(now.year, now.month, now.day, now.hour, now.minute, now.second)

datetime decreasing date python

from datetime import datetime, timedelta

d = datetime.today() - timedelta(days=days_to_subtract)