Chester Fritz Library lists Martin Luther King Day hours The Chester Fritz Library will observe the following hours of operation for Martin Luther King Day: Saturday, Jan. 19, 10 a.m. to 6 p.m.; Sunday, Jan. 20, closed; Monday, Jan. 21, 1 p.m. to midnight (Martin Luther King Day). -- Karen Cloud, Administrative Assistant, Chester Fritz Library, karencloud@mail.und.edu, 7-2618