What are the business hours of the swimming pool of Dali National Fitness Center? The swimming pool of Dali National Fitness Center is open from 9: 00 am to11:00 every Saturday and Sunday and from14: 00 pm to16: 00 pm. Because of the heavy traffic during this period, it can also take care of the free time of office workers, and the swimming pool will be disinfected from Monday to Friday. So the business hours are from 9 am to 1 1 every Saturday and Sunday, and from 14 pm to 16 pm.