See Hours for all Columbia University Libraries
| May 6 | Monday | Last day of classes | |
| May 7-16 | Tues.- Thurs. | Final exam period | Exam Hours |
| May 16 | Thursday | Last day of exams | Circulation desk closes at 9:00pm |
| May 17 | Friday | Summer Hours begin | |
| May 17 - Sept. 1 | Summer Hours | Monday - Friday, 9:00am-6:00pm | |
| May 18 | Saturday | CLOSED | |
| May 19 | Sunday | Barnard Graduation | CLOSED |
| May 24 | Friday | Memorial Day weekend | Closing at 4:00pm |
| May 27 | Monday | Memorial Day | CLOSED |
| July 3 | Wednesday | Independence Day holiday | Closing at 4:00pm |
| July 4 | Thursday | Independence Day | CLOSED |
| August 30 | Friday | Labor Day weekend | Closing at 4:00pm |
| September 2 | Monday | Labor Day | CLOSED |
| September 3 | Tuesday | Fall Term begins | Regular Hours resume |
Regular Hours
| Monday - Thursday |
Friday | Saturday | Sunday | |
| Circulation/Reserves/Media Desk (1st floor) |
8:45am - Midnight |
8:45am - 6:00pm |
10:00am - 6:00pm |
10:00am - Midnight |
| Study Areas on 1st, 2nd & 3rd floor, and book stacks |
8:45am - Midnight |
8:45am - 6:00pm |
10:00am - 6:00pm |
10:00am - Midnight |
| Research Librarians | On call 9:00am - 6:00pm or on a walk-in basis 2:30 - 6:00pm in 208 Lehman or online chat |
Closed | Closed | |
Exam Hours
(Sunday, May 5 - Thursday, May 16)
The study areas on the first, second and third floors, and the book stacks, are open 24 hours a day.
The Circulation/Reserves/Media Desk and the Research Librarians continue with regular hours (see table below).
| Monday - Thursday |
Friday | Saturday | Sunday | |
| Circulation/Reserves/Media Desk (1st floor) |
8:45am - Midnight |
8:45am - 6:00pm |
10:00am - 6:00pm |
10:00am - Midnight |
| Study Areas on 1st, 2nd & 3rd floor, and book stacks |
24 hours per day |
24 hours per day |
24 hours per day |
24 hours per day |
| Research Librarians | On call 9:00am - 6:00pm or online chat |
Closed | Closed | |
Summer Hours
First, second and third floors: Monday - Friday, 9:00am - 6:00 pm, closed on Saturdays and Sundays.
Circulation/Reserves/Media desk: Monday - Friday, 9:00am - 6:00 pm, closed on Saturdays and Sundays.
Research Librarians are available on call or by appointment. Contact us for help or to schedule an appointment.
Barnard Archives Hours
Please contact us to schedule an appointment.
See Hours for all Columbia University Libraries
