timetable = only, and commonly, used for transportation, like trains, subways/metro, and buses schedule (noun) = generally, a calendar of appointments or events BUT also means "timetable" in the context of transportation. - Where can I find the schedule for Metro Line 9? <= timetable - Is the train running on schedule? <= "on time" - What is the schedule of seminars at this year's conference? <= calendar - Can you put me on your schedule? <= make an appointment - Is your schedule busy today? <= calendar But for a restaurant, we'd say: - The restaurant's open hours are between 11:00 AM and 10:00 PM.

Maybe opening hours or working hours?