python timestamp difference in hours datetime code example
Example 1: Date difference in minutes in Python
minutes_diff = (datetime_end - datetime_start).total_seconds() / 60.0
Example 2: 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()