Chester Fritz Library lists Presidents Day weekend hours The Chester Fritz Library will observe the following hours of operation for Presidents Day weekend: Saturday, Feb. 17, 10 a.m. to 6 p.m.; Sunday, Feb. 18, closed; Monday, Feb. 19 (Presidents Day), 1 p.m. to midnight. -- Karen Cloud, Administrative Assistant, Chester Fritz Library, karencloud@mail.und.edu, 7-2618