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Library Hours

All libraries require proper ID1 after 5pm on weekdays and all day on weekends.

Caltech Affiliates and Guest Readers may access SFL between 5pm and midnight on weekdays and 9am to midnight on weekends and holidays.

SFL Millikan2 Dabney3 Cahill3 Geology3 Archives
Summer Hours (Mon-Fri) 8am - midnight 8am - midnight 8am - 5pm 8am - 5pm 8am - 5pm 8am - 5pm
Summer Hours (Sat, Sun) 9am - midnight 9am - 9pm closedclosedclosedclosed

Holidays and Study Periods

Holidays and Study Periods SFL Millikan Dabney3 Cahill3 Geology3 Archives
Monday, September 7th Labor Day 9am - 6pm closed closed closed closed closed

1Proper ID may be one of the following:

2Access to Millikan after 5pm on weekdays and all day on weekends is limited to card swipe access by current Caltech faculty, postdocs, students and staff.

3Faculty have 24 hour access to this library with their ID card. If your ID card does not work, please contact Campus Security (x4701). Students who need after hours access to Dabney Library should contact the HSS department.

For students interested in study space outside of the Library’s hours, please contact your Option Admin about access to your academic buildings.

Updated June 12,2015