Hours

Opening & Service Hours

Tuesday, November 3 to Thursday, November 5: Osler Library closed.
Thursday, November 12: Osler Library open until 13h.
December 19-20: Marvin Duchow Music 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)

November 1, 2026 – November 7, 2026

Departments	Sun Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
Opening Hours	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
Opening Hours	Closed	09:00–17:00	Closed	Closed	Closed	09:00–17:00	Closed
Information Desk	Closed	10:00–16:00	Closed	Closed	Closed	10:00–16:00	Closed

Departments	Sun Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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 Nov 1	Mon Nov 2	Tue Nov 3	Wed Nov 4	Thu Nov 5	Fri Nov 6	Sat Nov 7
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