27. How to add date based filtering in Django admin?

You can add a date based filtering on any date field by setting the date_hierarchy.:

@admin.register(Hero)
class HeroAdmin(admin.ModelAdmin, ExportCsvMixin):
    ...
    date_hierarchy = 'added_on'

It looks like this:

This can be very costly with a large number of objects. As an alternative, you can subclass SimpleListFilter, and allow filtering only on years or the months.

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