Google announced that hotels can now add their check-in and check-out times to their Google Local, Google Maps and Google Hotel listings. Brad Brewer shared a screen shot of one listing that already has theirs listed.
Here is a screen shot from Brad:
Here is how to add this data to your hotel listings:
(1) Sign in to Google My Business.
(2) If you have multiple locations, open the location you'd like to manage.
(3) From the menu, click Info.
(4) In the check-in and check-out times section, click the pencil icon.
(5) Enter your check-in and check-out times.
(6) Click Apply.
Forum discussion at Google My Business Help.