Set timezone via pytz module

import pytz
import datetime

amsterdam = pytz.timezone("Europe/Amsterdam")
iran = pytz.timezone("Iran")
tokyo = pytz.timezone("Asia/Tokyo")

print(datetime.datetime.now(tz=amsterdam))
print(datetime.datetime.now(tz=iran))
print(datetime.datetime.now(tz=tokyo))

# prints all availablle timezones
for timeZone in pytz.all_timezones:
    print(timeZone)

Output

2022-12-10 20:08:38.663648+01:00
2022-12-10 22:38:38.663764+03:30
2022-12-11 04:08:38.663788+09:00
Africa/Abidjan
Africa/Accra
...
Etc/GMT+6
Etc/GMT-2
Etc/GMT-3
Etc/GMT-4
Etc/GMT-5
Etc/GMT-6
Etc/GMT-7
...
Europe/Amsterdam
Europe/Andorra
Europe/Astrakhan
Europe/Athens
Europe/Belfast
Indian/Antananarivo
Indian/Chagos
Indian/Christmas
...
Pacific/Wake
Pacific/Wallis
Pacific/Yap
Poland
Portugal
...