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Library HoursLaw Library Calendar – Current and Upcoming Hours

Hours at other Libraries at Harvard University.

Regular Academic Year Service Hours

  • Sunday: 9:00 a.m. to midnight
  • Monday-Thursday: 8:00 a.m. to midnight
  • Friday: 8:00 a.m. to 9:00 p.m.
  • Saturday: 9:00 a.m. to 9:00 p.m.

24/7 Library Access

During the academic year Harvard Law School students have 24 hours a day, seven days a week access to the second floor of the Library. The Computer Classroom, Fishman Room and Lemann Lounge are all available as study space. Library services are not available except during regular service hours.

Please contact the Circulation Desk, 617-495-3455, for additional information about Library hours as well as policies for obtaining access to the Library. Note that we are open regular hours on holidays when classes are in session.

Reading and Exam Period Extended Hours & Restricted Access Policy

The Library restricts access during the Fall Term and Spring Term reading and exam periods. During this restricted access only Harvard Law School students, faculty and staff are allowed regular HUID access to the Library. All other patrons with a specific need to use or borrow materials must first check in at the Circulation Desk for access.

Regular Library Summer Hours

  • Monday-Thursday: 8:00 a.m. to 11:00 p.m.
  • Friday: 8:00 a.m. to 8:00 p.m.
  • Saturday-Sunday: CLOSED

Historical & Special Collections Reading Room Hours

  • Monday-Friday: 10:00 a.m. to 5:00 p.m. By Appointment Only
  • Saturday-Sunday: closed

Please consult Historical & Special Collections for the most current information on holiday and other closures. Special Collections materials will not be retrieved after 4:15 p.m. and all materials must be returned 15 minutes before closing.

Reference Desk Hours (Academic Year)

  • Monday-Friday: 9:00 a.m. to 6:00 p.m.
  • Saturday-Sunday: 1:00 to 5:00 p.m.

Reference Desk Summer Hours

  • Monday-Friday: 9:00 a.m. to 5:00 p.m.
  • Saturday-Sunday: closed

Holiday Hours Policy

The Library is open regular hours on Columbus Day (Federal) / Indigenous Peoples’ Day (City of Cambridge), Martin Luther King Day, Presidents Day and Veterans Day. Labor Day varies.

The Library is closed on Memorial Day weekend; Independence Day; Thanksgiving Day, including the Friday and Saturday after Thanksgiving; and winter recess from Christmas Day through New Year’s Day.

The Library has early closings on the Wednesday before Thanksgiving Day and on Christmas Eve.

Image credit: Detail, Reading Room, Langdell Hall by T.G. Eliot, circa 1950, olvwork432229. Harvard Law School Library. Harvard University, Cambridge, MA.