Hello, what are the business hours of Chengde Olympic Sports Night Market? The business hours of Chengde Olympic Sports Night Market are 10:00-2 1:00. The business hours of Chengde Olympic Sports Night Market are clearly written on the notice board at the door. The detailed time is from 10:00 am to 2 1:00 pm. So the business hours of Chengde Olympic Sports Night Market are 10:00-2 1:00.