During most of the Fall and Spring Semesters, Pius Library is open 24 hours daily from 10 am on Sunday morning to 9 pm on Friday evening. Saturday's normal hours are 10:00 am to 6:00 pm. Hours during holidays, breaks, exam periods, and the summer vary.
Text us: 314-582-0194
Call us: 314-977-3087 
Walk in: Mon-Fri 9 am-5 pm 