Hours and location

Library hours

  Monday-Thursday Friday Saturday Sunday
Regular 8:30am-9:30pm 8:30am-5:00pm Closed 1:00-9:30pm
Intersession 8:30am-5:00pm 8:30am-5:00pm Closed Closed
Summer 8:30am-5:00pm 8:30am-5:00pm Closed Closed

Please note: the building is unlocked on Monday-Friday, 8:00am-4:59pm.  Beginning at 5pm on weekdays and on the weekend, the doors to the building are locked and a Stanford ID is required to enter the building.  See building hours below for more details.  Please do not let others in with you after swiping your Stanford ID card. Card readers are located on the first floor (left side entrance door) and 2nd floor courtside (right entrance door).

University holidays: 1:00pm-9:30pm.  Closed: Winter Closure, Independence Day, Labor Day, Thanksgiving Day, and the day after Thanksgiving.  For hours on specific days, see the full calendar.

Hours for all Stanford University Libraries

Building (Sapp Center) hours of operations:

Monday-Friday 8:00am-5:00pm; open to all (5:00pm-10:00pm, valid Stanford ID required)
Saturday Closed
Sunday 1:00pm-10:00pm (valid Stanford ID required)
University Holidays  Library hours (valid Stanford ID required)


Robin Li and Melissa Ma Science Library
Sapp Center for Science Teaching and Learning
376 Lomita Drive
Stanford, CA 94305-5070

View map & directions to the Science Library