Opening Hours

Weekly Hours
Monthly Hours

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

Display of Opening hours
	Sep 25 Monday	Sep 26 Tuesday	Sep 27 Wednesday	Sep 28 Thursday	Sep 29 Friday	Sep 30 Saturday	Oct 01 Sunday
Sherman Fairchild Library	8 a.m. to 8 p.m. *	8 a.m. to 24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	12 p.m. to 4 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Oct 02 Monday	Oct 03 Tuesday	Oct 04 Wednesday	Oct 05 Thursday	Oct 06 Friday	Oct 07 Saturday	Oct 08 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Oct 09 Monday	Oct 10 Tuesday	Oct 11 Wednesday	Oct 12 Thursday	Oct 13 Friday	Oct 14 Saturday	Oct 15 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Oct 16 Monday	Oct 17 Tuesday	Oct 18 Wednesday	Oct 19 Thursday	Oct 20 Friday	Oct 21 Saturday	Oct 22 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Oct 23 Monday	Oct 24 Tuesday	Oct 25 Wednesday	Oct 26 Thursday	Oct 27 Friday	Oct 28 Saturday	Oct 29 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	24 Hours Midterm Special Hours*	24 Hours Midterm Special Hours*	24 Hours Midterm Special Hours*
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Oct 30 Monday	Oct 31 Tuesday	Nov 01 Wednesday	Nov 02 Thursday	Nov 03 Friday	Nov 04 Saturday	Nov 05 Sunday
Sherman Fairchild Library	24 Hours Midterm Special Hours*	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 06 Monday	Nov 07 Tuesday	Nov 08 Wednesday	Nov 09 Thursday	Nov 10 Friday	Nov 11 Saturday	Nov 12 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 13 Monday	Nov 14 Tuesday	Nov 15 Wednesday	Nov 16 Thursday	Nov 17 Friday	Nov 18 Saturday	Nov 19 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 20 Monday	Nov 21 Tuesday	Nov 22 Wednesday	Nov 23 Thursday	Nov 24 Friday	Nov 25 Saturday	Nov 26 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	Closed (Institute Holiday)	Closed (Institute Holiday)	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Nov 27 Monday	Nov 28 Tuesday	Nov 29 Wednesday	Nov 30 Thursday	Dec 01 Friday	Dec 02 Saturday	Dec 03 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	1 p.m. to 9 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 04 Monday	Dec 05 Tuesday	Dec 06 Wednesday	Dec 07 Thursday	Dec 08 Friday	Dec 09 Saturday	Dec 10 Sunday
Sherman Fairchild Library	8 a.m. to 24 hours *	24 hours *	24 hours *	24 hours *	12 a.m. to 10 p.m. *	12 p.m. to 8 p.m. *	12 p.m. to 8 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	10 a.m. to 6 p.m.	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 11 Monday	Dec 12 Tuesday	Dec 13 Wednesday	Dec 14 Thursday	Dec 15 Friday	Dec 16 Saturday	Dec 17 Sunday
Sherman Fairchild Library	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	12 p.m. to 8 p.m. *	12 p.m. to 8 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 18 Monday	Dec 19 Tuesday	Dec 20 Wednesday	Dec 21 Thursday	Dec 22 Friday	Dec 23 Saturday	Dec 24 Sunday
Sherman Fairchild Library	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	12 p.m. to 8 p.m. *	12 p.m. to 8 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Dec 25 Monday	Dec 26 Tuesday	Dec 27 Wednesday	Dec 28 Thursday	Dec 29 Friday	Dec 30 Saturday	Dec 31 Sunday
Sherman Fairchild Library	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	12 p.m. to 8 p.m. *	12 p.m. to 8 p.m. *
Caltech Hall Library	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	8 a.m. to 11 p.m. *	closed	closed
Cahill Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Dabney Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
Geology Library	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	8 a.m. to 5 p.m.	closed	closed
TechHub	–	–	–	–	–	–	–
Archives Reading Room	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Becoming Caltech Exhibition	By Appointment	By Appointment	By Appointment	By Appointment	By Appointment	closed	closed
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 01 Monday	Jan 02 Tuesday	Jan 03 Wednesday	Jan 04 Thursday	Jan 05 Friday	Jan 06 Saturday	Jan 07 Sunday
Sherman Fairchild Library	8 a.m. to 8 p.m. *	8 a.m. to 8 p.m. *	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Becoming Caltech Exhibition	–	–	–	–	–	–	–
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 08 Monday	Jan 09 Tuesday	Jan 10 Wednesday	Jan 11 Thursday	Jan 12 Friday	Jan 13 Saturday	Jan 14 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Becoming Caltech Exhibition	–	–	–	–	–	–	–
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 15 Monday	Jan 16 Tuesday	Jan 17 Wednesday	Jan 18 Thursday	Jan 19 Friday	Jan 20 Saturday	Jan 21 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Becoming Caltech Exhibition	–	–	–	–	–	–	–
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 22 Monday	Jan 23 Tuesday	Jan 24 Wednesday	Jan 25 Thursday	Jan 26 Friday	Jan 27 Saturday	Jan 28 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Becoming Caltech Exhibition	–	–	–	–	–	–	–
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Jan 29 Monday	Jan 30 Tuesday	Jan 31 Wednesday	Feb 01 Thursday	Feb 02 Friday	Feb 03 Saturday	Feb 04 Sunday
Sherman Fairchild Library	–	–	–	–	–	–	–
Caltech Hall Library	–	–	–	–	–	–	–
Cahill Library	–	–	–	–	–	–	–
Dabney Library	–	–	–	–	–	–	–
Geology Library	–	–	–	–	–	–	–
TechHub	–	–	–	–	–	–	–
Archives Reading Room	–	–	–	–	–	–	–
Becoming Caltech Exhibition	–	–	–	–	–	–	–
Sherman Fairchild Library: * Caltech ID Required
Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
September 2023
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23 Sherman Fairchild Library 12 p.m to 8 p.m * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub closed Archives Reading Room closed Becoming Caltech Exhibition closed	24 Sherman Fairchild Library 12 p.m to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub closed Archives Reading Room closed Becoming Caltech Exhibition closed
25 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 12 p.m. to 4 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	26 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	27 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	28 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	29 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	30 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.

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

Display of Opening hours
October 2023
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
						1 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
2 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	3 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	4 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	5 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	6 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	7 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	8 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
9 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	10 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	11 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	12 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	13 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	14 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	15 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
16 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	17 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	18 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	19 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	20 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	21 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	22 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
23 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	24 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	25 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	26 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	27 Sherman Fairchild Library 24 Hours Midterm Special Hours* Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	28 Sherman Fairchild Library 24 Hours Midterm Special Hours* Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	29 Sherman Fairchild Library 24 Hours Midterm Special Hours* Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
30 Sherman Fairchild Library 24 Hours Midterm Special Hours* Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	31 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.

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

Display of Opening hours
November 2023
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
		1 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	2 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	3 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	4 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	5 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
6 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	7 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	8 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	9 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	10 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	11 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	12 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
13 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	14 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	15 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	16 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	17 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	18 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	19 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
20 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	21 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	22 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	23 Sherman Fairchild Library Closed (Institute Holiday) Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	24 Sherman Fairchild Library Closed (Institute Holiday) Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	25 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	26 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
27 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	28 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	29 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	30 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.

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

Display of Opening hours
December 2023
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
				1 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	2 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed	3 Sherman Fairchild Library 1 p.m. to 9 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed TechHub Closed Archives Reading Room closed Becoming Caltech Exhibition closed
4 Sherman Fairchild Library 8 a.m. to 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	5 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	6 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	7 Sherman Fairchild Library 24 hours * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	8 Sherman Fairchild Library 12 a.m. to 10 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. TechHub 10 a.m. to 6 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	9 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed	10 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed
11 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	12 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	13 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	14 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	15 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	16 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed	17 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed
18 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	19 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	20 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	21 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	22 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	23 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed	24 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed
25 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	26 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	27 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	28 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	29 Sherman Fairchild Library 8 a.m. to 8 p.m. * Caltech Hall Library 8 a.m. to 11 p.m. * Cahill Library 8 a.m. to 5 p.m. Dabney Library 8 a.m. to 5 p.m. Geology Library 8 a.m. to 5 p.m. Archives Reading Room By Appointment Becoming Caltech Exhibition By Appointment	30 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed	31 Sherman Fairchild Library 12 p.m. to 8 p.m. * Caltech Hall Library closed Cahill Library closed Dabney Library closed Geology Library closed Archives Reading Room closed Becoming Caltech Exhibition closed

Sherman Fairchild Library: * Caltech ID Required

Caltech Hall Library: * Caltech ID Required from 5 p.m. to 11 p.m.

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