ANSWER
The University of Chicago Library doesn’t have one closing time; it depends on the building and the day. On September 15, 2026, Regenstein Library is open until 5 pm today, while the library site says academic quarter hours resume on Sunday, September 27.
YOUR NEXT DECISION
Turn the answer into your next step
- If you meant a different UChicago library, open the hours page and pick that building.
- If you’re going today, use the Regenstein hours page for the most direct current closing time.
Regenstein Library today
If you mean the Joseph Regenstein Library, its hours page shows it closes at 5 pm today. The same page also lists separate hours for Circulation, the Center for Digital Scholarship, and the Dissertation Office, so those services do not all close at the same time.
- As of September 15, 2026, Regenstein Library: 8 am to 5 pm.
- Circulation: 8:30 am to 4:45 pm.
- Center for Digital Scholarship: 9 am to 4:45 pm.
University of Chicago Library overall
The library homepage says all libraries will resume academic quarter hours on Sunday, September 27. That means the closing time can change by date and by library, so the safest check is the current hours page before you go.
- Library hours vary by building.
- Academic quarter hours resume Sunday, September 27.
- Check the hours page for the specific library you want.
Sources
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