Library Hours

Irwin Library staff are available virtually whenever the library is open. To chat live with us please visit BUAnswers and use the Live Chat box on the right to ask your question(s). We also encourage you to stay up to date via our events page and social media (Facebook, Instagram, and Twitter).

Note: After 6:30pm until closing, Irwin Library is only accessible via Butler ID card. The Science Library is open 24/7 with Butler ID card access.

Display of Opening hours
Mar 30
 Sunday 		Mar 31
 Monday 		Apr 01
 Tuesday 		Apr 02
 Wednesday 		Apr 03
 Thursday 		Apr 04
 Friday 		Apr 05
 Saturday
Irwin Library 12pm – 12am 8am – 12am 8am – 12am 8am – 12am 8am – 12am 8am – 8pm 12pm – 8pm
Special Collections Closed By Appointment By Appointment By Appointment By Appointment By Appointment Closed
Science Library Closed 9am – 4pm 9am – 4pm 9am – 4pm 9am – 4pm Closed Closed