Hours

Opening & Service Hours

Friday, October 23: Service desk at the Osler Library closed.
Tuesday, November 3 to Thursday, November 5: 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)

October 25, 2026 – October 31, 2026

Departments	Sun Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
Opening Hours	11:00–19:00	09:00–23:00	09:00–23:00	09:00–23:00	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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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 Oct 25	Mon Oct 26	Tue Oct 27	Wed Oct 28	Thu Oct 29	Fri Oct 30	Sat Oct 31
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
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