Per Day
If a rule says you can use something a certain number of times per day, that means you must finish a Long Rest to use it again after you run out of uses.
D&D · SRD 5.2.1 (5.5e, 2024) · Glossary
If a rule says you can use something a certain number of times per day, that means you must finish a Long Rest to use it again after you run out of uses.