Datetime nightmare

pyDatetime.py

# -*- coding: utf-8 -*-
from __future__ import (print_function, division, absolute_import, unicode_literals)
import time, datetime
import pprint as pprint

# 2014-02-04 13:40:42.394000

dt = datetime.datetime

now = dt.today()
print('now :', now)

hour = dt.now().hour
min = dt.now().minute
secs = dt.now().second

delta = datetime.timedelta(hours=-hour, minutes=-min, seconds=-secs)
start = now + delta
print('start of day: {start}\n'.format(start=start))

inc = datetime.timedelta(hours=1)

h=0
for h in range(24):
    start += inc
    print('hour: {h} - {start}'.format(h=h,start=start))