Hours

Summer 2026 Hours (May 18 - September 7)

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