9: 00 a.m.-12: 00 a.m. and13: 30 p.m.-16: 30 p.m. throughout the year (except holidays). According to the inquiry of official website of Guilin Education Bureau, the working hours of Guilin Demonstration Comprehensive Practice Education Center for primary and middle school students are from 9: 00 am to12: 00 am from Monday to Friday, and from 13:30- 16:30 pm. It is closed on weekends and can handle business within the specified time.