Library Hours
The Caltech Library is open to the Caltech Community in accordance with the Rules of Access.
All Caltech Libraries are open to qualified researchers Monday through Friday, 8am-5pm.
Regular Hours during Academic Year (first day of classes through the night before Commencement).
Sherman Fairchild Library / Millikan Library / Dabney Library
Monday - Friday 8:00am - 5:00pm 5:00pm - 1:00am * 1:00am - 8:00am ** (SFL only) Weekends / Holidays 9:00am - 1:00am * 1:00am - 9:00am ** (SFL only)
* Caltech, JPL ID or Reader's ID required
** Caltech Faculty, Staff and Students only, Entrance by ID cardswipe
Astrophysics Library /Geology & Planetary Sciences Library
Monday - Friday 8:00am - 5:00pm Weekends / Holidays Closed
Summer Hours (Monday following Commencement through the day before classes begin in the Fall Term)
Sherman Fairchild Library / Millikan Library / Dabney Library
Monday - Friday 8:00am - 5:00pm 5:00pm - Midnight * Midnight - 8:00am ** (SFL only) Weekends / Holidays 9:00am - Midnight * Midnight - 9:00am ** (SFL only)
* Caltech, JPL ID or Reader's ID required
** Caltech Faculty, Staff and Students only, Entrance by ID cardswipe
Astrophysics Library /Geology & Planetary Sciences Library
Monday - Friday 8:00am - 5:00pm Weekends Closed
