format datetime.utcnow maintain type python code example
Example 1: 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)
Example 2: datetime year python
import datetime
now = datetime.datetime.now()
print(now.year, now.month, now.day, now.hour, now.minute, now.second)
Example 3: datetime decreasing date python
from datetime import datetime, timedelta
d = datetime.today() - timedelta(days=days_to_subtract)