Chester Fritz Library lists Memorial Day weekend hours The Chester Fritz Library will observe the following hours for the Memorial Day weekend: Friday, May 23, 8 a.m. to 4:30 p.m.; Saturday, May 24, closed; Sunday, May 25, closed; Monday, May 26, 5 to 9 p.m. (Memorial Day). -- Karen Cloud, Administrative Assistant, Chester Fritz Library, karencloud@mail.und.edu, 7-2618