Thats the time "when the doors open"
The few times I have needed to check in before noon, I've ended paying for the day as if I'd arrived the night before. It's very important to let the hotel know about your expected time of arrival so that they don't give away your room before you arrive
Call the hotel and discuss it with them and they will work it out. They need rime to clean the rooms thus fhe 3pm check-in time.
To check in? Usually check in begins at 3pm, however if you call the hotel directly, they can probably work out an early check-in for you. Other Hilton properties have done it for me.
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