Monday to Sunday at 22: 30. According to official website of Xi Jiaotong University, there are three libraries in Xi Jiaotong University, namely Xipu Campus Library, Jiuli Campus Mao Yisheng Library and Emei Campus Library. The opening hours of the three libraries are the same. Business hours are: Monday to Sunday from 07: 30 to 22: 30, and lending service hours are: Monday to Sunday from 08: 30 to 22: 00.