'Set or change the DEFAULT_LANGUAGE in Django

I want the default language of my site to be Persian, not English! and DEFAULT_LANGUAGE is not working for me !

A part of my settings.py file :

LANGUAGES = (
    ('fa','Persian'),
    ('en','English'),
)

DEFAULT_LANGUAGE = 1

LANGUAGE_CODE = 'fa'

TIME_ZONE = 'Asia/Tehran'

USE_I18N = True

USE_L10N = True

USE_TZ = True

I also read these and they did not help:

Set or change the default language dynamically according to the user - Django

Django how to set the default language in the i18n_patterns?

Django: Can't change default language

Django: default language i18n

Please help me. thanks!

Solution 1:^[1]

Here is fastest and simplest solution. In my case Django=="3.1" https://github.com/yifaneye/django-default-language

Solution 2:^[2]

In settings.py you probably have this middleware,and it takes default language as your browser's language.

'django.middleware.locale.LocaleMiddleware'

Sources

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Source: Stack Overflow

Solution	Source
Solution 1	Vladimir
Solution 2	Alasgar

'Set or change the DEFAULT_LANGUAGE in Django

Solution 1:[1]

Solution 2:[2]

Sources

Related Questions

Solution 1:^[1]

Solution 2:^[2]