ANSWER
The UTSA Libraries do not have one closing time. As of Tuesday, September 15, 2026, John Peace Library is open 24 hours, the Downtown Campus Library closes at 9 p.m., and the Applied Engineering and Technology Library closes at 5 p.m. today.
YOUR NEXT DECISION
Turn the answer into your next step
- Check the UTSA Libraries hours page for the exact date you plan to visit.
- If you mean a specific UTSA library, use that location’s schedule because the closing time differs by building.
John Peace Library on Main Campus
John Peace Library is open 24 hours on Tuesday, September 15, 2026. Later this week, the posted schedule shows it closing at 9 p.m. on Friday, September 18, and being open 9 a.m. to 9 p.m. on Saturday, September 19.
- Best match if you need late-night study access on Main Campus.
- The posted hours can change by day, so check the date-specific schedule before you go.
- Source: UTSA Libraries hours page and the September 2026 calendar.
- On days marked 24 hours, there is no closing time posted for that day.
Downtown Campus Library
The Downtown Campus Library is posted as open 8 a.m. to 9 p.m. on Tuesday, September 15, 2026. It is also shown as closing at 6 p.m. on Friday, September 18, and Saturday, September 19.
- Use this location if you’re on the Downtown Campus and need evening access.
- The posted hours are specific to the date, not a single universal closing time.
- Source: UTSA Libraries September 2026 hours calendar and Downtown Library hours page.
Applied Engineering and Technology Library
The Applied Engineering and Technology Library is posted as open 8 a.m. to 5 p.m. on Tuesday, September 15, 2026. The September calendar shows it closed on Saturday, September 19.
- This is the earliest closing time of the main UTSA library locations listed here.
- If you need evening study space, John Peace Library or the Downtown Campus Library stays open later.
- Source: UTSA Libraries September 2026 hours calendar and UTSA Libraries home page.
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