9: 00 a.m.-22: 00 p.m. According to the official website of Guangzhou Sports Lottery Network, the working hours of Guangzhou Sports Lottery Center are from 9: 00 a.m. to 22: 00 p.m., and sports lottery is issued every Monday to Friday 15 kinds of lottery business. The ticketing business on Saturday and Sunday is less than that on Monday and Friday, and the business hours are Monday to Friday, five hours longer than that on Saturday and Sunday.