Chester Fritz Library lists hours The Chester Fritz Library regular hours for fall and spring semesters follow: Monday through Thursday, 7:45 a.m. to midnight; Friday, 7:45 a.m. to 4:30 p.m.; Saturday, 10 a.m. to 6 p.m.; Sunday, 1 p.m. to midnight. Please note that the library will be open earlier on week days for student convenience. -- Karen Cloud, Administrative Assistant, Chester Fritz Library, karencloud@mail.und.edu, 7-2618