How to charge by the day when the rent expires?

The rent is charged on the due date. You need to divide the monthly rent by 30 days to get the daily rent, and then multiply it by the number of days rented.

The algorithm of renting a house for a few days is the same. Divide the monthly rent by 30 days to get the daily rent. If it exceeds 5 days, it will be multiplied by 5, and the lessee will pay the overdue rent. If the lessee fails to terminate the lease contract or withdraw the lease in advance according to the contract performance period, it is a breach of contract.

I hope the above information is helpful to you.