3PM check-in to 11AM check-out is standard "day" across the hotel/motel industry. It is common when I fly in somewhere in the AM that I cannot get a room until 3PM, but they will hold my bags and they will be in the room when I come back in the evening.
11:00 a.m. more than likely but you may be able to make different areangements since its so close to check out time.
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