Kaifeng Fifth Avenue Library is open from Tuesday to Sunday at 9: 00- 17: 00 and closed on Monday. According to relevant public information, Kaifeng Fifth Avenue Library is open from Tuesday to Sunday at 9: 00- 17: 00, and closed on Monday. The registration office is open from 9: 00- 17: 00, and the children's department (children's reading room, children's reading room) is open from 9: 00- 17.