django order_by query set, ascending and descending

Question

How can I order by descending my query set in django by date?

Reserved.objects.all().filter(client=client_id).order_by(\'check_in\')

I just

Answer 1

Reserved.objects.filter(client=client_id).earliest('check_in')

Or alternatively

Reserved.objects.filter(client=client_id).latest('-check_in')

Here is the documentations for earliest() and latest()