(Python) timeit for zeroing time attributes in a datetime object

gistfile1.py

import timeit

t = timeit.Timer(stmt="datetime.datetime(*datetime.datetime.now().date().timetuple()[:6])", setup="import datetime")
print t.timeit()  # 4.80428367916

t = timeit.Timer(stmt="datetime.datetime.combine(datetime.datetime.now().date(), datetime.time(0, 0, 0))", setup="import datetime")
print t.timeit()  # 3.23761676673