I only have the option for 1 full date for Per Diem rate, how do I add partial days?

NicciMorgan Expensify Customer Posts: 1

When I am creating a Per Diem request, I only have the option to select 1 full day. A Partial day is not available as an option and I will have a partial day on my first and last days (then 5 full days). How do I do this?