Hours

Opening & Service Hours

Monday, September 7 (Labour Day): Humanities and Social Sciences Library (McLennan-Redpath Complex) is open for study from 8h - 22h. All other McGill library locations and services closed.
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.
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 6, 2026 – September 12, 2026

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	08:00–22:00	08:00–22:00	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	Closed	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	Closed	10:00–17:00	10:00–17:00	10:00–17:00	10:00–17:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	09:00–21:00	09:00–21:00	09:00–21:00	09:00–21:00	11:00–19:00
Information Desk	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	11:00–19:00	Closed	08:30–23:00	08:30–23:00	08:30–23:00	08:30–18:00	10:00–18:00
Information Desk	Closed	Closed	09:00–19:00	09:00–19:00	09:00–19:00	09:00–18:00	10:00–18:00

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	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	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	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	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	09:00–21:00	Closed	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00
Information Desk	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
Information Desk	Closed	Closed	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	Closed	Closed	10:00–18:00	10:00–18:00	10:00–18:00	10:00–17:00	Closed

Departments	Sun Sep 6	Mon Sep 7	Tue Sep 8	Wed Sep 9	Thu Sep 10	Fri Sep 11	Sat Sep 12
Opening Hours	09:00–22:00	Closed	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00	09:00–00:00
Information Desk	Closed	Closed	09:00–17:00	09:00–17:00	09:00–17:00	09:00–17:00	Closed
In-Person Research Assistance	Closed	Closed	10:00–16:00	10:00–16:00	10:00–16:00	10:00–16:00	Closed