Monday to Friday from 8: 30 am to 1 1: 30, and in the afternoon from 13: 30 to 17: 30. Official website, the center for disease control and prevention in Weihai, inquired that the working hours of places with health certificates in Weihai are from 8: 30 am to 1 1: 30, from 13: 30 pm to 17: 30 pm, and Saturday to Sunday are normal rest days, and other holidays are implemented according to national holidays. Weihai is located in the east of China, at the eastern end of Shandong Peninsula. It is bordered by the Yellow Sea in the north, east and south, Liaodong Peninsula in the north, Korea Peninsula across the sea in the east and Yantai in Shandong in the west.