Hours

Locations and Directions

O'Leary Library
61 Wilder Street, Lowell, MA 01854
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Lydon Library
84 University Avenue, Lowell, MA 01854
Get Directions

Center for Lowell History
Patrick J. Mogan Cultural Center
40 French Street, Lowell, MA 01852
Get Directions
Make an appointment at CLH: archives@uml.edu

Email a Librarian: ask@uml.libanswers.com
Call the Library: (978) 934-4550

Library Hours

This Week
This Month

Display of Opening hours
	Feb 03 Monday	Feb 04 Tuesday	Feb 05 Wednesday	Feb 06 Thursday	Feb 07 Friday	Feb 08 Saturday	Feb 09 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	Closed Closed due to inclement weather	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Feb 10 Monday	Feb 11 Tuesday	Feb 12 Wednesday	Feb 13 Thursday	Feb 14 Friday	Feb 15 Saturday	Feb 16 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	By Appointment	Closed

Display of Opening hours
	Feb 17 Monday	Feb 18 Tuesday	Feb 19 Wednesday	Feb 20 Thursday	Feb 21 Friday	Feb 22 Saturday	Feb 23 Sunday
O'Leary Library	2:00 p.m. - 10:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	2:00 p.m. - 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	Closed Presidents' Day	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Feb 24 Monday	Feb 25 Tuesday	Feb 26 Wednesday	Feb 27 Thursday	Feb 28 Friday	Mar 01 Saturday	Mar 02 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	10:00 a.m. - 11:45 p.m.	2:00 p.m. - 11:45 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:45 p.m.	10:00 a.m. - 11:45 p.m.	2:00 p.m. - 11:45 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Mar 03 Monday	Mar 04 Tuesday	Mar 05 Wednesday	Mar 06 Thursday	Mar 07 Friday	Mar 08 Saturday	Mar 09 Sunday
O'Leary Library	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	Closed	Closed
Lydon Library	7:30 a.m. – 11:45 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	Closed	Closed
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Mar 10 Monday	Mar 11 Tuesday	Mar 12 Wednesday	Mar 13 Thursday	Mar 14 Friday	Mar 15 Saturday	Mar 16 Sunday
O'Leary Library	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	Closed	Closed
Lydon Library	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	8:00 a.m. - 5:00 p.m.	Closed	Closed
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	By Appointment	Closed

Display of Opening hours
	Mar 17 Monday	Mar 18 Tuesday	Mar 19 Wednesday	Mar 20 Thursday	Mar 21 Friday	Mar 22 Saturday	Mar 23 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Mar 24 Monday	Mar 25 Tuesday	Mar 26 Wednesday	Mar 27 Thursday	Mar 28 Friday	Mar 29 Saturday	Mar 30 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Mar 31 Monday	Apr 01 Tuesday	Apr 02 Wednesday	Apr 03 Thursday	Apr 04 Friday	Apr 05 Saturday	Apr 06 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Apr 07 Monday	Apr 08 Tuesday	Apr 09 Wednesday	Apr 10 Thursday	Apr 11 Friday	Apr 12 Saturday	Apr 13 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Apr 14 Monday	Apr 15 Tuesday	Apr 16 Wednesday	Apr 17 Thursday	Apr 18 Friday	Apr 19 Saturday	Apr 20 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	By Appointment	Closed

Display of Opening hours
	Apr 21 Monday	Apr 22 Tuesday	Apr 23 Wednesday	Apr 24 Thursday	Apr 25 Friday	Apr 26 Saturday	Apr 27 Sunday
O'Leary Library	2:00 p.m. - 10:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	2:00 p.m. - 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	Closed Patriots' Day	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	Apr 28 Monday	Apr 29 Tuesday	Apr 30 Wednesday	May 01 Thursday	May 02 Friday	May 03 Saturday	May 04 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	3:00 p.m. - 11:00 p.m.
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	10:00 a.m. - 6:00 p.m.	2:00 p.m. - 10:00 p.m.
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	Closed	Closed

Display of Opening hours
	May 05 Monday	May 06 Tuesday	May 07 Wednesday	May 08 Thursday	May 09 Friday	May 10 Saturday	May 11 Sunday
O'Leary Library	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 11:00 p.m.	7:30 a.m. – 6:00 p.m.	–	–
Lydon Library	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 10:00 p.m.	7:30 a.m. – 6:00 p.m.	–	–
Center for Lowell History	By appointment	By appointment	By appointment	By appointment	Closed	–	–

Display of Opening hours
	May 12 Monday	May 13 Tuesday	May 14 Wednesday	May 15 Thursday	May 16 Friday	May 17 Saturday	May 18 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
	May 19 Monday	May 20 Tuesday	May 21 Wednesday	May 22 Thursday	May 23 Friday	May 24 Saturday	May 25 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
	May 26 Monday	May 27 Tuesday	May 28 Wednesday	May 29 Thursday	May 30 Friday	May 31 Saturday	Jun 01 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
	Jun 02 Monday	Jun 03 Tuesday	Jun 04 Wednesday	Jun 05 Thursday	Jun 06 Friday	Jun 07 Saturday	Jun 08 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
	Jun 09 Monday	Jun 10 Tuesday	Jun 11 Wednesday	Jun 12 Thursday	Jun 13 Friday	Jun 14 Saturday	Jun 15 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
	Jun 16 Monday	Jun 17 Tuesday	Jun 18 Wednesday	Jun 19 Thursday	Jun 20 Friday	Jun 21 Saturday	Jun 22 Sunday
O'Leary Library	–	–	–	–	–	–	–
Lydon Library	–	–	–	–	–	–	–
Center for Lowell History	–	–	–	–	–	–	–

Display of Opening hours
February 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
					1	2
3	4	5 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	6 O'Leary Library Closed Closed due to inclement weather Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	7 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	8 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	9 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
10 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	11 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	12 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	13 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	14 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	15 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History By Appointment	16 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
17 O'Leary Library 2:00 p.m. - 10:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed Presidents' Day	18 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	19 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	20 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	21 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	22 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	23 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
24 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	25 O'Leary Library 7:30 a.m. – 11:45 p.m. Lydon Library 7:30 a.m. – 11:45 p.m. Center for Lowell History By appointment	26 O'Leary Library 7:30 a.m. – 11:45 p.m. Lydon Library 7:30 a.m. – 11:45 p.m. Center for Lowell History By appointment	27 O'Leary Library 7:30 a.m. – 11:45 p.m. Lydon Library 7:30 a.m. – 11:45 p.m. Center for Lowell History By appointment	28 O'Leary Library 7:30 a.m. – 11:45 p.m. Lydon Library 7:30 a.m. – 11:45 p.m. Center for Lowell History Closed

Display of Opening hours
March 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
					1 O'Leary Library 10:00 a.m. - 11:45 p.m. Lydon Library 10:00 a.m. - 11:45 p.m. Center for Lowell History Closed	2 O'Leary Library 2:00 p.m. - 11:45 p.m. Lydon Library 2:00 p.m. - 11:45 p.m. Center for Lowell History Closed
3 O'Leary Library 7:30 a.m. – 11:45 p.m. Lydon Library 7:30 a.m. – 11:45 p.m. Center for Lowell History By appointment	4 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	5 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	6 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	7 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	8 O'Leary Library Closed Lydon Library Closed Center for Lowell History Closed	9 O'Leary Library Closed Lydon Library Closed Center for Lowell History Closed
10 O'Leary Library 8:00 a.m. - 5:00 p.m. Lydon Library 8:00 a.m. - 5:00 p.m. Center for Lowell History By appointment	11 O'Leary Library 8:00 a.m. - 5:00 p.m. Lydon Library 8:00 a.m. - 5:00 p.m. Center for Lowell History By appointment	12 O'Leary Library 8:00 a.m. - 5:00 p.m. Lydon Library 8:00 a.m. - 5:00 p.m. Center for Lowell History By appointment	13 O'Leary Library 8:00 a.m. - 5:00 p.m. Lydon Library 8:00 a.m. - 5:00 p.m. Center for Lowell History By appointment	14 O'Leary Library 8:00 a.m. - 5:00 p.m. Lydon Library 8:00 a.m. - 5:00 p.m. Center for Lowell History Closed	15 O'Leary Library Closed Lydon Library Closed Center for Lowell History By Appointment	16 O'Leary Library Closed Lydon Library Closed Center for Lowell History Closed
17 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	18 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	19 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	20 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	21 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	22 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	23 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
24 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	25 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	26 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	27 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	28 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	29 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	30 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
31 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment

Display of Opening hours
April 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
	1 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	2 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	3 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	4 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	5 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	6 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
7 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	8 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	9 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	10 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	11 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	12 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	13 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
14 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	15 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	16 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	17 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	18 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	19 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History By Appointment	20 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
21 O'Leary Library 2:00 p.m. - 10:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed Patriots' Day	22 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	23 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	24 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	25 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	26 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	27 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
28 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	29 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	30 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment

Display of Opening hours
May 2025
Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
			1 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	2 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	3 O'Leary Library 10:00 a.m. - 6:00 p.m. Lydon Library 10:00 a.m. - 6:00 p.m. Center for Lowell History Closed	4 O'Leary Library 3:00 p.m. - 11:00 p.m. Lydon Library 2:00 p.m. - 10:00 p.m. Center for Lowell History Closed
5 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	6 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	7 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	8 O'Leary Library 7:30 a.m. – 11:00 p.m. Lydon Library 7:30 a.m. – 10:00 p.m. Center for Lowell History By appointment	9 O'Leary Library 7:30 a.m. – 6:00 p.m. Lydon Library 7:30 a.m. – 6:00 p.m. Center for Lowell History Closed	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31