Addition of two datetime.datetime.strptime().time() objects in python

Question

I want to add two time values t1 and t2 in format 'HH:MM:SS'.

t1 ='12:00:00'
t2='02:00:00'

t1+t2 should be 14:00:00

I tried t1+t2. But as t1 & t2 are im string format the output was concatenation 12:00:00 02:00:00.

So I tried to convert in datetime.datetime.strptime().time() object like

t1 = datetime.datetime.strptime('12:00:00', '%H:%M:%S').time()
t2 = datetime.datetime.strptime('02:00:00', '%H:%M:%S').time()

but gives error

TypeError: unsupported operand type(s) for +: 'datetime.time' and 'datetime.time'

How can I get this to work?

Possible duplicate of What is the standard way to add N seconds to datetime.time in Python? — juanpa.arrivillaga
– juanpa.arrivillaga, Commented Apr 18, 2017 at 18:27
@juanpa.arrivillaga, this is not a duplicate of the linked question since it already has a numbers of seconds to add. The OP has two time stamps. — Stephen Rauch
– Stephen Rauch ♦, Commented Apr 19, 2017 at 0:13

Stephen Rauch · Accepted Answer · 2022-08-04 04:50:23Z

4

You can not directly add two time() variables. This is due to the fact that these time variables are not durations. They are the time of day. You can however turn a time variable into a duration by subtracting the zero element for this operation from the time variable (i.e. midnight).

Test Code:

import datetime as dt
t1 = dt.datetime.strptime('12:00:00', '%H:%M:%S')
t2 = dt.datetime.strptime('02:00:00', '%H:%M:%S')
time_zero = dt.datetime.strptime('00:00:00', '%H:%M:%S')
print((t1 - time_zero + t2).time())

Results:

14:00:00

edited Aug 4, 2022 at 4:50

answered Apr 19, 2017 at 0:10

Stephen Rauch♦

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1 Comment

priya_a Over a year ago

Thank you .It woks.@Stephen Rauch

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