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Library Hours (Fall 2015)

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.

The Caltech Library is primarily for the Caltech community, but external reseachers may have limited access to SFL between 8am and 5pm Monday through Friday. Access to other libraries must be by appointment. Contact Us for more information.

SFL Millikan2 Dabney3 Cahill3 Geology3 Archives
Sunday Open @ 9am 9am - midnight ClosedClosedClosedClosed
Monday - Thursday Open 24 hours 8am - midnight 8am - 5pm 8am - 5pm 8am - 5pm 8am - 5pm
Friday Closes @ 3am 8am - midnight 8am - 5pm 8am - 5pm 8am - 5pm 8am - 5pm
Saturday 9am - 2am 9am - midnight ClosedClosedClosedClosed

Holidays and Study Periods

Holidays and Study Periods SFL Millikan Dabney3 Cahill3 Geology3 Archives
Monday, January 18thMartin Luther King Day24 hoursClosedClosedClosedClosedClosed
Friday, February 5thMidterm Study24 hours8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Saturday, February 6thMidterm Study24 hours9am - midnightClosedClosedClosedClosed
Monday, February 15th President's Day24 hoursClosedClosedClosedClosedClosed
Friday, March 11thMidterm Study24 hours8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Saturday, March 12thMidterm Study24 hours9am - midnightClosedClosedClosedClosed
Friday, March 18thSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Saturday, March 19thSpring Break9am - midnight9am - midnight ClosedClosedClosedClosed
Sunday, March 20thSpring Break9am - midnight9am - midnightClosedClosedClosedClosed
Monday, March 21stSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Tuesday, March 22ndSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Wednesday, March 23rdSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Thrusday, March 24thSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Friday, March 25thSpring Break 8am - midnight 8am - midnight8am - 5pm8am - 5pm8am - 5pm8am - 5pm
Saturday, March 26thSpring Break9am - midnight9am - midnightClosedClosedClosedClosed
Friday, April 29thMidterm Study24 hours9am - midnightClosedClosedClosedClosed
Saturday, April 30thMidterm Study24 hours9am - midnightClosedClosedClosedClosed

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. People who have offices in Cahill have access to that library 24 hours.

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 5, 2016