17: 30 and 18: 00. According to the information released by official website of Shiyan Education Bureau, the working hours of Shiyan Education Bureau are from 8: 30am to12: 00pm and from 6: 5438+04: 30pm to 6: 5438+07: 30pm every Monday to Friday (excluding legal holidays). The main responsibility is to implement the central and provincial education policies, laws and regulations, study and formulate normative documents such as policies, regulations and measures for education in the city and supervise their implementation.