Answered By: Tim Conant
Last Updated: Jul 31, 2020     Views: 1496

In order to protect library users and staff, currently no Harvard Libraries are open for study. For the most up-to-date information about individual libraries please see Harvard Library’s Locations & Hours page.


During the academic year, Lamont Library (Harvard Library's undergraduate library) has 24 hour access from 9 AM Sunday through 9 AM Friday. However, the circulation desk will be staffed only from 9 am until midnight, Sunday through Thursday, and from 9 am until 10 pm on Fridays and Saturdays. View this Google map to locate Lamont Library on the Harvard campus.

Cabot Library (Harvard University's science library) also has 24 hour access Monday through Thursday.  Click on this Google Map to locate Cabot Library on the Harvard campus.

Hours for all Harvard Libraries. Bring your Harvard ID for admission.