Home » Python » Python Reference » Python datetime Class

Python datetime astimezone() Method with Example

Python datetime.astimezone() Method: In this tutorial, we will learn about the astimezone() method of datetime class in Python with its usage, syntax, and examples. By Hritika Rajput Last updated : April 22, 2023

Python datetime.astimezone() Method

The datetime.astimezone() method is used to get a datetime object with new tzinfo attribute tz. It works on a datetime class instance.

Module

The following module is required to use astimezone() method:

import datetime

Class

The following class is required to use astimezone() method:

from datetime import datetime

Syntax

The following is the syntax of astimezone() method:

astimezone(tz)

Parameter(s)

The following are the parameter(s):

The following are the parameter(s):

• tz - timezone information which should be changed.

Return Value

Returns a datetime object with new tzinfo attribute tz.

Example for datetime astimezone() Method in Python

from datetime import datetime
import pytz

naive= datetime.now()
## Tzinfo is missing from the time object 
## which is naive 
print("Tzinfo:",naive.tzinfo)
print()

## Adding a timezone
timezone = pytz.timezone("Asia/Kolkata")
aware1 = naive.astimezone(timezone)
print("Tzinfo:",aware1.tzinfo)
print()

## After adding the timezone info, 
## the object it becomes aware
timezone = pytz.timezone("Asia/Tokyo")
aware2 = aware1.astimezone(timezone)
print("Initial tzinfo:",aware1.tzinfo)
print("Final tzinfo:",aware2.tzinfo)
print()

## No timezone was defined for naive
print(naive)
## Timezone changed from None to Asia/Kolkata 
## for aware1 object
print(aware1)
## Timezone changed from Asia/Kolkata to 
## Asia/Tokyo for aware2 object
print(aware2)

Output

Tzinfo: None

Tzinfo: Asia/Kolkata

Initial tzinfo: Asia/Kolkata
Final tzinfo: Asia/Tokyo

2020-04-30 18:44:12.784666
2020-05-01 00:14:12.784666+05:30
2020-05-01 03:44:12.784666+09:00