python time difference between two datetime code example
Example 1: python datetime difference in seconds
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
Example 2: time difference between two datetime.time
dateTimeA = datetime.datetime.combine(datetime.date.today(), a)
dateTimeB = datetime.datetime.combine(datetime.date.today(), b)
dateTimeDifference = dateTimeA - dateTimeB
dateTimeDifferenceInHours = dateTimeDifference.total_seconds() / 3600