Pythonic way to combine datetime.date and datetime.time objects

Question

I have two objects that represent the same event instance --- one holds the date, the other the time of this event, and I want to create a datetime object.

Since one can't simply add date and time objects (following call fails):

 datetime.date(2011, 01, 01) + datetime.time(10, 23)

See What is the standard way to add N seconds to datetime.time in Python? — Martin Thoma
– Martin Thoma, Commented Dec 7, 2017 at 7:26

Brad Solomon · Accepted Answer · 2017-12-18 03:52:18Z

489

It's in the python docs.

import datetime
datetime.datetime.combine(datetime.date(2011, 1, 1), 
                          datetime.time(10, 23))

returns

datetime.datetime(2011, 1, 1, 10, 23)

edited Dec 18, 2017 at 3:52

Brad Solomon

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answered Dec 12, 2011 at 12:59

eumiro

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6 Comments

ypercubeᵀᴹ Over a year ago

This loses the tzinfo though (if the date has one). Is there a way to keep it?

Olivier Pons Over a year ago

And in Python 3? Can't find combine()

eumiro Over a year ago

@OlivierPons nothing has changed in Python3: docs.python.org/3/library/…

Olivier Pons Over a year ago

I'm sorry you're right, combine() can be applied to a datetime value. Thanks a lot

Akshat Mahajan Over a year ago

In Python 3.6, you can use the tzinfo argument to preserve timezone: docs.python.org/3/library/…

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