Ask about your heart. Com, we know that the business hours of Metro Supermarket are from 7: 00 a.m. to 7: 00 p.m. 10: 00 p.m., which is applicable to 365 days of the year, including national statutory holidays and holidays. Metro's holiday business hours are relatively relaxed, mainly because people's shopping demand is stronger during holidays. During most domestic holidays, the business hours of Metro Supermarket are usually extended by one hour.