Shanghai Maxim's (Maxim's de Paris) is a chain of restaurants that may open at slightly different times, here are the opening hours of one of the stores located on the pedestrian street of East Nanjing Road in Huangpu District, Shanghai:

Monday to Thursday: 10:00am to 10:00pm

Friday to Sunday: 10:00am to 10:30pm.

It is important to note that opening hours may vary from store to store, so it is best to check the store's hours before heading there specifically.