Hours
Intersession Hours (January 2 - January 16)
| Day | Circulation & Help Desk |
|---|---|
| Mon. - Fri. | 10am - 6pm |
| Sat. - Sun. | CLOSED |
| Day | Study Spaces LL-5* |
|---|---|
| Mon. - Fri. | 10am - 6pm |
| Sat. - Sun. | CLOSED |
Spring 2026 Hours (January 20 - May 4)
| Day | Circulation & Help Desk |
|---|---|
| Mon. - Thurs. | 9am - 10pm |
| Fri. | 9am - 6pm |
| Sat. | 9am - 5pm |
| Sun. | 10am - 6pm |
| Day | Study Spaces LL-5 |
|---|---|
| Mon. - Fri. | 8am - midnight |
| Sat. | 9am - midnight |
| Sun. | 10am - midnight |
For after hours library help, chat with a librarian through the Columbia Libraries Virtual Reference Desk.
See Studying & Collaboration for information on study areas.
CU/BC ID Swipe is required to enter the Milstein Center building at all times as well as to exit the closed stairwells and use the elevator outside of Library Service Hours; please visit Accessing Barnard Campus for more information about whether and how you can access campus.
Upcoming Holidays and Library Closures
| Library Closed | Holiday |
|---|---|
| Monday, January 19 | Martin Luther King Jr. Day |
| Monday, May 25 | Memorial Day |
| Friday, June 19 | Juneteenth |
| Friday, July 3 | Independence Day (substitute) |