newTimeStamp = pytz.timezone(originalTimeZone).localize(datetime.datetime.
    fromtimestamp(originalTimeStamp)).astimezone(pytz.timezone(targetTimeZone))
print('new:     ', newTimeStamp)
newTimeStamp = time.mktime(newTimeStamp.timetuple())
print((newTimeStamp - originalTimeStamp) / 3600.0)
Изменение временной метки unix на другой часовой пояс