Opening Hours

Weekly Hours
Monthly Hours

Display of Opening hours
	Dec 01 Monday	Dec 02 Tuesday	Dec 03 Wednesday	Dec 04 Thursday	Dec 05 Friday	Dec 06 Saturday	Dec 07 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	24 hours (study period)*	24 hours (study period)*	24 hours (study period)*
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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 08 Monday	Dec 09 Tuesday	Dec 10 Wednesday	Dec 11 Thursday	Dec 12 Friday	Dec 13 Saturday	Dec 14 Sunday
Sherman Fairchild Library	24 hours (study period)*	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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 15 Monday	Dec 16 Tuesday	Dec 17 Wednesday	Dec 18 Thursday	Dec 19 Friday	Dec 20 Saturday	Dec 21 Sunday
Sherman Fairchild Library	8am to 8pm *	Closed (staff development)	8am to 8pm *	8am to 8pm *	8am to 6pm *	Closed	12pm 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 4pm	10am to 4pm	10am to 4pm	10am to 4pm	10am to 4pm	Closed	Closed
Archives Reading Room	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 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 22 Monday	Dec 23 Tuesday	Dec 24 Wednesday	Dec 25 Thursday	Dec 26 Friday	Dec 27 Saturday	Dec 28 Sunday
Sherman Fairchild Library	8am to 8pm *	8am to 8pm *	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday
Caltech Hall Library	8am to 11pm *	8am to 11pm *	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
Cahill Library	8am to 5pm	8am to 5pm	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
Dabney Library	8am to 5pm	8am to 5pm	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
Mudd Library	8am to 5pm	8am to 5pm	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
TechHub	10am to 4pm	10am to 4pm	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
Archives Reading Room	By Appointment	By Appointment	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	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
	Dec 29 Monday	Dec 30 Tuesday	Dec 31 Wednesday	Jan 01 Thursday	Jan 02 Friday	Jan 03 Saturday	Jan 04 Sunday
Sherman Fairchild Library	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Holiday	Closed - Holiday
Caltech Hall Library	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed	Closed
Cahill Library	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	(Institute Holiday)	Closed	Closed
Dabney Library	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	(Institute Holiday)	Closed	Closed
Mudd Library	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	(Institute Holiday)	Closed	Closed
TechHub	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	(Institute Holiday)	Closed	Closed
Archives Reading Room	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	Closed - Institute Holiday	(Institute Holiday)	Closed	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
	Jan 05 Monday	Jan 06 Tuesday	Jan 07 Wednesday	Jan 08 Thursday	Jan 09 Friday	Jan 10 Saturday	Jan 11 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 12 Monday	Jan 13 Tuesday	Jan 14 Wednesday	Jan 15 Thursday	Jan 16 Friday	Jan 17 Saturday	Jan 18 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 19 Monday	Jan 20 Tuesday	Jan 21 Wednesday	Jan 22 Thursday	Jan 23 Friday	Jan 24 Saturday	Jan 25 Sunday
Sherman Fairchild Library	Closed - Institute Holiday	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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 26 Monday	Jan 27 Tuesday	Jan 28 Wednesday	Jan 29 Thursday	Jan 30 Friday	Jan 31 Saturday	Feb 01 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 02 Monday	Feb 03 Tuesday	Feb 04 Wednesday	Feb 05 Thursday	Feb 06 Friday	Feb 07 Saturday	Feb 08 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	24 hours (study period)*	24 hours (study period)*	24 hours (study period)*
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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 09 Monday	Feb 10 Tuesday	Feb 11 Wednesday	Feb 12 Thursday	Feb 13 Friday	Feb 14 Saturday	Feb 15 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 16 Monday	Feb 17 Tuesday	Feb 18 Wednesday	Feb 19 Thursday	Feb 20 Friday	Feb 21 Saturday	Feb 22 Sunday
Sherman Fairchild Library	Closed - Institute Holiday	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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 23 Monday	Feb 24 Tuesday	Feb 25 Wednesday	Feb 26 Thursday	Feb 27 Friday	Feb 28 Saturday	Mar 01 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 02 Monday	Mar 03 Tuesday	Mar 04 Wednesday	Mar 05 Thursday	Mar 06 Friday	Mar 07 Saturday	Mar 08 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 09 Monday	Mar 10 Tuesday	Mar 11 Wednesday	Mar 12 Thursday	Mar 13 Friday	Mar 14 Saturday	Mar 15 Sunday
Sherman Fairchild Library	8am to 24 hours *	24 hours *	24 hours *	24 hours *	24 hours (study period)*	24 hours (study period)*	24 hours (study period)*
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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 16 Monday	Mar 17 Tuesday	Mar 18 Wednesday	Mar 19 Thursday	Mar 20 Friday	Mar 21 Saturday	Mar 22 Sunday
Sherman Fairchild Library	24 hours (study period)*	24 hours *	24 hours *	8am to 8pm *	8am to 6pm *	Closed	12pm 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 4pm	10am to 4pm	Closed	Closed
Archives Reading Room	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 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 23 Monday	Mar 24 Tuesday	Mar 25 Wednesday	Mar 26 Thursday	Mar 27 Friday	Mar 28 Saturday	Mar 29 Sunday
Sherman Fairchild Library	8am to 8pm *	8am to 8pm *	8am to 8pm *	8am to 8pm *	8am to 6pm *	Closed	12pm 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 4pm	10am to 4pm	10am to 4pm	10am to 4pm	10am to 4pm	Closed	Closed
Archives Reading Room	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 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 30 Monday	Mar 31 Tuesday	Apr 01 Wednesday	Apr 02 Thursday	Apr 03 Friday	Apr 04 Saturday	Apr 05 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Apr 06 Monday	Apr 07 Tuesday	Apr 08 Wednesday	Apr 09 Thursday	Apr 10 Friday	Apr 11 Saturday	Apr 12 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 6pm to 11pm
Archives Reading Room: The Archives requires appointments for research. To make one, please email archives@caltech.edu.

Display of Opening hours
	Apr 13 Monday	Apr 14 Tuesday	Apr 15 Wednesday	Apr 16 Thursday	Apr 17 Friday	Apr 18 Saturday	Apr 19 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
Mudd Library	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	8am to 5pm	Closed	Closed
TechHub	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	10am to 5pm	Closed	Closed
Archives Reading Room	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 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 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
1	2	3	4	5	6 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	7 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
8 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	9 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	10 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	11 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	12 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	13 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	14 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
15 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	16 Sherman Fairchild Library Closed (staff development) Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	17 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	18 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	19 Sherman Fairchild Library 8am to 6pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	20 Sherman Fairchild Library Closed Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	21 Sherman Fairchild Library 12pm to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
22 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	23 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	24 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	25 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	26 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	27 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	28 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
29 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	30 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	31 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday

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 2026
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
			1 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library Closed - Institute Holiday Dabney Library Closed - Institute Holiday Mudd Library Closed - Institute Holiday TechHub Closed - Institute Holiday Archives Reading Room Closed - Institute Holiday	2 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library Closed - Institute Holiday Cahill Library (Institute Holiday) Dabney Library (Institute Holiday) Mudd Library (Institute Holiday) TechHub (Institute Holiday) Archives Reading Room (Institute Holiday)	3 Sherman Fairchild Library Closed - Holiday Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	4 Sherman Fairchild Library Closed - Holiday Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
5 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	6 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	7 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	8 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	9 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	10 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	11 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
12 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	13 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	14 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	15 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	16 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	17 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	18 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
19 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	20 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	21 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	22 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	23 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	24 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	25 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
26 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	27 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	28 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	29 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	30 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	31 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room 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
February 2026
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
						1 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
2 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	3 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	4 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	5 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	6 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	7 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	8 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
9 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	10 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	11 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	12 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	13 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	14 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	15 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
16 Sherman Fairchild Library Closed - Institute Holiday Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	17 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	18 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	19 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	20 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	21 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	22 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
23 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	24 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	25 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	26 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	27 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	28 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room 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
March 2026
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
						1 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
2 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	3 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	4 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	5 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	6 Sherman Fairchild Library 12am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	7 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	8 Sherman Fairchild Library Noon to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
9 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	10 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	11 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	12 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	13 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	14 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	15 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
16 Sherman Fairchild Library 24 hours (study period)* Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	17 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	18 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	19 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	20 Sherman Fairchild Library 8am to 6pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	21 Sherman Fairchild Library Closed Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	22 Sherman Fairchild Library 12pm to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
23 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	24 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	25 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	26 Sherman Fairchild Library 8am to 8pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	27 Sherman Fairchild Library 8am to 6pm * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 4pm Archives Reading Room By Appointment	28 Sherman Fairchild Library Closed Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed	29 Sherman Fairchild Library 12pm to 8pm * Caltech Hall Library Closed Cahill Library Closed Dabney Library Closed Mudd Library Closed TechHub Closed Archives Reading Room Closed
30 Sherman Fairchild Library 8am to 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment	31 Sherman Fairchild Library 24 hours * Caltech Hall Library 8am to 11pm * Cahill Library 8am to 5pm Dabney Library 8am to 5pm Mudd Library 8am to 5pm TechHub 10am to 5pm Archives Reading Room By Appointment

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.