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Library Hours

All libraries require proper ID 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 Millikan Dabney* Cahill* Geology* Archives
Sun Open 9am9am-midnight 9am-midnight closed closed closed
Mon Open 24 hours 8am-midnight8am-midnight 8am-5pm 8am-5pm 8am-5pm
Tues Open 24 hours 8am-midnight 8am-midnight 8am-5pm 8am-5pm 8am-5pm
Weds Open 24 hours 8am-midnight 8am-midnight 8am-5pm 8am-5pm 8am-5pm
Thurs Open 24 hours 8am-midnight 8am-midnight 8am-5pm 8am-5pm 8am-5pm
Fri Closes 3am8am-midnight 8am-midnight 8am-5pm 8am-5pm 8am-5pm
Sat 9am-2am 9am-midnight 9am-midnight closed closed closed

Holidays and Study Periods

Holidays and Study Periods SFL Millikan Dabney* Cahill* Geology* Archives
Monday, January 19Martin Luther King DayOpen 24 hours closed closed closed closed closed
Friday, February 6Midterms Open 24 hours 8am-midnight8am-midnight 8am-5pm 8am-5pm 8am-5pm
Saturday, February 7MidtermsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Sunday, February 8MidtermsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Monday, February 16Presidents' DayOpen 24 hours closed closed closed closed closed
Friday, March 13Final Exams Open 24 hours 8am-midnight8am-midnight 8am-5pm 8am-5pm 8am-5pm
Saturday, March 14Final ExamsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Sunday, March 15Final ExamsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Friday, May 1Midterms Open 24 hours 8am-midnight8am-midnight 8am-5pm 8am-5pm 8am-5pm
Saturday, May 2MidtermsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Sunday, May 3MidtermsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Monday, May 25Memorial DayOpen 24 hours closed closed closed closed closed
Friday, June 5Final Exams Open 24 hours 8am-midnight8am-midnight 8am-5pm 8am-5pm 8am-5pm
Saturday, June 6Final ExamsOpen 24 hours 9am-midnight 9am-midnight closed closed closed
Sunday, June 7Final ExamsOpen 24 hours 9am-midnight 9am-midnight closed closed closed

*Faculty have 24 hour access to this library with their ID card. If your ID card does not work, please contact Campus Security.

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

Updated January 7, 2015