Hours

Opening & Service Hours

Wednesday, October 7: Osler Library opens at noon.
Monday, October 12 (Thanksgiving): Humanities and Social Sciences Library (McLennan-Redpath Complex) is open for study from 8h to midnight. All other McGill library locations and services closed.
Friday, October 23: Service desk at the Osler Library closed.
Thursday, November 12: Osler Library open until 13h.
Macdonald Campus Library access restrictions: A current McGill ID card is required to access the building after 9pm on weeknights, and at all times on weekends. Faculty, staff, and students from the downtown campus must request access in advance (email macdonald.library [at] mcgill.ca (macdonald[dot]library[at]mcgill[dot]ca)).
During the 24/7 access period at the McLennan-Redpath Library Complex, a valid McGill ID card is required for entry after midnight. Extended hours at the downtown campus are made possible thanks to the SSMU Library Improvement Fund.
Key academic dates (2026–2027)

September 27, 2026 – October 3, 2026

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	08:00–00:00	08:00–00:00	08:00–00:00	08:00–00:00	08:00–00:00	08:00–00:00	08:00–00:00
Information Desk	10:00–18:00	09:00–18:00	09:00–18:00	09:00–18:00	09:00–18:00	09:00–18:00	10:00–18:00
In-Person Research Assistance	Closed	10:00–17:00	10:00–17:00	10:00–17:00	10:00–17:00	10:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	11:00–19:00	09:00–21:00	09:00–21:00	09:00–21:00	09:00–21:00	09:00–21:00	11:00–19:00
Information Desk	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	11:00–19:00	08:30–23:00	08:30–23:00	08:30–23:00	08:30–23:00	08:30–18:00	10:00–18:00
Information Desk	11:00–19:00	09:00–19:00	09:00–19:00	09:00–19:00	09:00–19:00	09:00–18:00	10:00–18:00

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	10:00–18:00	09:00–21:00	09:00–21:00	09:00–21:00	09:00–21:00	09:00–21:00	Closed
Information Desk	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	09:00–13:00 14:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00
Information Desk	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	Closed	10:00–18:00	10:00–18:00	10:00–18:00	10:00–18:00	10:00–17:00	Closed

Departments	Sun Sep 27	Mon Sep 28	Tue Sep 29	Wed Sep 30	Thu Oct 1	Fri Oct 2	Sat Oct 3
Opening Hours	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00
Information Desk	Closed	09:00–18:00	09:00–18:00	09:00–18:00	09:00–18:00	09:00–18:00	Closed
In-Person Research Assistance	Closed	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	Closed