Django make the object create only once per 24 hours

Here is my Django model:

class mymodel(models.Model):
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)
    deleted_at = models.DateTimeField(null=True, blank=True)

How can I make the object created only once per 24 hours? I know it's possible to do with unique_for_date but cannot understand how https://docs.djangoproject.com/en/4.1/ref/models/fields/#unique-for-date

Also, I want to show an error if the user wanted to create more than once per 24 hours.

source https://stackoverflow.com/questions/73690759/django-make-the-object-create-only-once-per-24-hours

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