Opening Hours

Weekly Hours
Monthly Hours

Display of Opening hours
	Nov 04 Monday	Nov 05 Tuesday	Nov 06 Wednesday	Nov 07 Thursday	Nov 08 Friday	Nov 09 Saturday	Nov 10 Sunday
Sherman Fairchild Library	24 Hours Midterm Special Hours*	24 hours *	24 hours *	24 hours *	12am to 8pm *	Noon to 8pm *	Noon to 8pm *
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 11 Monday	Nov 12 Tuesday	Nov 13 Wednesday	Nov 14 Thursday	Nov 15 Friday	Nov 16 Saturday	Nov 17 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	12am to 8pm *	Noon to 8pm *	Noon to 8pm *
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 18 Monday	Nov 19 Tuesday	Nov 20 Wednesday	Nov 21 Thursday	Nov 22 Friday	Nov 23 Saturday	Nov 24 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	12am to 8pm *	Noon to 8pm *	Noon to 8pm *
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 25 Monday	Nov 26 Tuesday	Nov 27 Wednesday	Nov 28 Thursday	Nov 29 Friday	Nov 30 Saturday	Dec 01 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	12am to 10pm *	Closed (Institute Holiday)	Closed (Institute Holiday)	Noon to 8pm *	Noon to 8pm *
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	Closed (Institute Holiday)	Closed (Institute Holiday)	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	Closed	Closed	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 02 Monday	Dec 03 Tuesday	Dec 04 Wednesday	Dec 05 Thursday	Dec 06 Friday	Dec 07 Saturday	Dec 08 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	24 Hours Fall Finals Special Hours*	24 Hours Fall Finals Special Hours*	24 Hours Fall Finals Special Hours*
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 09 Monday	Dec 10 Tuesday	Dec 11 Wednesday	Dec 12 Thursday	Dec 13 Friday	Dec 14 Saturday	Dec 15 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	12am to 8pm *	–	–
Caltech Hall Library	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	8am to 11pm *	–	–
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	10am to 6pm	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 16 Monday	Dec 17 Tuesday	Dec 18 Wednesday	Dec 19 Thursday	Dec 20 Friday	Dec 21 Saturday	Dec 22 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 23 Monday	Dec 24 Tuesday	Dec 25 Wednesday	Dec 26 Thursday	Dec 27 Friday	Dec 28 Saturday	Dec 29 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
Geology Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	Closed	Closed
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 30 Monday	Dec 31 Tuesday	Jan 01 Wednesday	Jan 02 Thursday	Jan 03 Friday	Jan 04 Saturday	Jan 05 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	8am to 5pm	8am to 5pm	–	–	–	–	–
Dabney Library	8am to 5pm	8am to 5pm	–	–	–	–	–
Geology Library	8am to 5pm	8am to 5pm	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 06 Monday	Jan 07 Tuesday	Jan 08 Wednesday	Jan 09 Thursday	Jan 10 Friday	Jan 11 Saturday	Jan 12 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 13 Monday	Jan 14 Tuesday	Jan 15 Wednesday	Jan 16 Thursday	Jan 17 Friday	Jan 18 Saturday	Jan 19 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 20 Monday	Jan 21 Tuesday	Jan 22 Wednesday	Jan 23 Thursday	Jan 24 Friday	Jan 25 Saturday	Jan 26 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 27 Monday	Jan 28 Tuesday	Jan 29 Wednesday	Jan 30 Thursday	Jan 31 Friday	Feb 01 Saturday	Feb 02 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Feb 03 Monday	Feb 04 Tuesday	Feb 05 Wednesday	Feb 06 Thursday	Feb 07 Friday	Feb 08 Saturday	Feb 09 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Feb 10 Monday	Feb 11 Tuesday	Feb 12 Wednesday	Feb 13 Thursday	Feb 14 Friday	Feb 15 Saturday	Feb 16 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Feb 17 Monday	Feb 18 Tuesday	Feb 19 Wednesday	Feb 20 Thursday	Feb 21 Friday	Feb 22 Saturday	Feb 23 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Feb 24 Monday	Feb 25 Tuesday	Feb 26 Wednesday	Feb 27 Thursday	Feb 28 Friday	Mar 01 Saturday	Mar 02 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Mar 03 Monday	Mar 04 Tuesday	Mar 05 Wednesday	Mar 06 Thursday	Mar 07 Friday	Mar 08 Saturday	Mar 09 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Mar 10 Monday	Mar 11 Tuesday	Mar 12 Wednesday	Mar 13 Thursday	Mar 14 Friday	Mar 15 Saturday	Mar 16 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Mar 17 Monday	Mar 18 Tuesday	Mar 19 Wednesday	Mar 20 Thursday	Mar 21 Friday	Mar 22 Saturday	Mar 23 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Crossing Over Exhibition	Closed	Closed	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm	11am to 4pm
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
November 2024
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
				1	2	3
4	5	6	7	8 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	9 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	10 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
11 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	12 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	13 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	14 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	15 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	16 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	17 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
18 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	19 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	20 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	21 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	22 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	23 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	24 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
25 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	26 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	27 Sherman Fairchild Library 12am to 10pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	28 Sherman Fairchild Library Closed (Institute Holiday) Caltech Hall Library Closed (Institute Holiday) Cahill Library Closed (Institute Holiday) Dabney Library Closed (Institute Holiday) Geology Library Closed (Institute Holiday) TechHub Closed (Institute Holiday) Archives Reading Room Closed (Institute Holiday) Crossing Over Exhibition Closed	29 Sherman Fairchild Library Closed (Institute Holiday) Caltech Hall Library Closed (Institute Holiday) Cahill Library Closed (Institute Holiday) Dabney Library Closed (Institute Holiday) Geology Library Closed (Institute Holiday) TechHub Closed (Institute Holiday) Archives Reading Room Closed (Institute Holiday) Crossing Over Exhibition Closed	30 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 6pm to 11pm

Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
December 2024
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
						1 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
2 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	3 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	4 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	5 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	6 Sherman Fairchild Library 24 Hours Fall Finals Special Hours* Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	7 Sherman Fairchild Library 24 Hours Fall Finals Special Hours* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	8 Sherman Fairchild Library 24 Hours Fall Finals Special Hours* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Geology Library Closed TechHub Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
9 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	10 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	11 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	12 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	13 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm TechHub 10am to 6pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	14 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	15 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
16 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	17 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	18 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	19 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	20 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	21 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	22 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
23 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	24 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	25 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	26 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	27 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition 11am to 4pm	28 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm	29 Cahill Library Closed Dabney Library Closed Geology Library Closed Archives Reading Room Closed Crossing Over Exhibition 11am to 4pm
30 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed	31 Cahill Library 8am to 5pm Dabney Library 8am to 5pm Geology Library 8am to 5pm Archives Reading Room By Appointment Crossing Over Exhibition Closed

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 6pm to 11pm

Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
January 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
		1 Crossing Over Exhibition 11am to 4pm	2 Crossing Over Exhibition 11am to 4pm	3 Crossing Over Exhibition 11am to 4pm	4 Crossing Over Exhibition 11am to 4pm	5 Crossing Over Exhibition 11am to 4pm
6 Crossing Over Exhibition Closed	7 Crossing Over Exhibition Closed	8 Crossing Over Exhibition 11am to 4pm	9 Crossing Over Exhibition 11am to 4pm	10 Crossing Over Exhibition 11am to 4pm	11 Crossing Over Exhibition 11am to 4pm	12 Crossing Over Exhibition 11am to 4pm
13 Crossing Over Exhibition Closed	14 Crossing Over Exhibition Closed	15 Crossing Over Exhibition 11am to 4pm	16 Crossing Over Exhibition 11am to 4pm	17 Crossing Over Exhibition 11am to 4pm	18 Crossing Over Exhibition 11am to 4pm	19 Crossing Over Exhibition 11am to 4pm
20 Crossing Over Exhibition Closed	21 Crossing Over Exhibition Closed	22 Crossing Over Exhibition 11am to 4pm	23 Crossing Over Exhibition 11am to 4pm	24 Crossing Over Exhibition 11am to 4pm	25 Crossing Over Exhibition 11am to 4pm	26 Crossing Over Exhibition 11am to 4pm
27 Crossing Over Exhibition Closed	28 Crossing Over Exhibition Closed	29 Crossing Over Exhibition 11am to 4pm	30 Crossing Over Exhibition 11am to 4pm	31 Crossing Over Exhibition 11am to 4pm

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 6pm to 11pm

Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
February 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
					1 Crossing Over Exhibition 11am to 4pm	2 Crossing Over Exhibition 11am to 4pm
3 Crossing Over Exhibition Closed	4 Crossing Over Exhibition Closed	5 Crossing Over Exhibition 11am to 4pm	6 Crossing Over Exhibition 11am to 4pm	7 Crossing Over Exhibition 11am to 4pm	8 Crossing Over Exhibition 11am to 4pm	9 Crossing Over Exhibition 11am to 4pm
10 Crossing Over Exhibition Closed	11 Crossing Over Exhibition Closed	12 Crossing Over Exhibition 11am to 4pm	13 Crossing Over Exhibition 11am to 4pm	14 Crossing Over Exhibition 11am to 4pm	15 Crossing Over Exhibition 11am to 4pm	16 Crossing Over Exhibition 11am to 4pm
17 Crossing Over Exhibition Closed	18 Crossing Over Exhibition Closed	19 Crossing Over Exhibition 11am to 4pm	20 Crossing Over Exhibition 11am to 4pm	21 Crossing Over Exhibition 11am to 4pm	22 Crossing Over Exhibition 11am to 4pm	23 Crossing Over Exhibition 11am to 4pm
24 Crossing Over Exhibition Closed	25 Crossing Over Exhibition Closed	26 Crossing Over Exhibition 11am to 4pm	27 Crossing Over Exhibition 11am to 4pm	28 Crossing Over Exhibition 11am to 4pm

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 6pm to 11pm

Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.