Get month from a month number in Django like 1 => Jan.

month_from_number.py

# in templatetags/app_tags.py

import calendar
from django import template

register = template.Library()

@register.filter
def month_name(month_number):
    return calendar.month_name[month_number]
    

# in templates files

{% load posts_tags %}

<p>month_number|month_name</p>