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 ​
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Make an appointment: archives@uml.edu 
Ask A CLH Librarian: admin@uml.libanswers.com
Call: 978-934-4997

Library Hours

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
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - Midnight 9:00 a.m. - Midnight12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - Midnight 9:00 a.m. - Midnight12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
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
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - Midnight 7:30 a.m. - Midnight12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - Midnight 7:30 a.m. - Midnight12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedBy AppointmentClosed
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
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - 6:00 p.m.ClosedClosed
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight 7:30 a.m. - 6:00 p.m.ClosedClosed
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
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
O'Leary LibraryClosedClosedClosedClosedClosedClosedClosed
Lydon LibraryClosedClosedClosedClosedClosedClosedClosed
Center for Lowell HistoryClosed Winter breakClosed Winter breakClosed Winter breakClosed Winter breakClosedClosedClosed
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
O'Leary LibraryClosed New Year's Day8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Lydon LibraryClosed New Year's Day8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Center for Lowell HistoryClosed New Year's DayClosed IntersessionClosed IntersessionClosed IntersessionClosed IntersessionClosedClosed
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
O'Leary Library8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Lydon Library8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
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
O'Leary LibraryClosed Rev. Martin Luther King, Jr. Holiday7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon LibraryClosed Closed Rev. Martin Luther King, Jr. Holiday7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryClosed Rev. Martin Luther King, Jr. HolidayBy appointmentBy appointmentBy appointmentClosedBy AppointmentClosed
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
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
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
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Feb 05
Monday
Feb 06
Tuesday
Feb 07
Wednesday
Feb 08
Thursday
Feb 09
Friday
Feb 10
Saturday
Feb 11
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Feb 12
Monday
Feb 13
Tuesday
Feb 14
Wednesday
Feb 15
Thursday
Feb 16
Friday
Feb 17
Saturday
Feb 18
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedBy AppointmentClosed
Display of Opening hours
Feb 19
Monday
Feb 20
Tuesday
Feb 21
Wednesday
Feb 22
Thursday
Feb 23
Friday
Feb 24
Saturday
Feb 25
Sunday
O'Leary Library 12:30 p.m. - midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library 12:30 p.m. - Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryClosed President's DayBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Feb 26
Monday
Feb 27
Tuesday
Feb 28
Wednesday
Feb 29
Thursday
Mar 01
Friday
Mar 02
Saturday
Mar 03
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.ClosedClosed
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.ClosedClosed
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Mar 04
Monday
Mar 05
Tuesday
Mar 06
Wednesday
Mar 07
Thursday
Mar 08
Friday
Mar 09
Saturday
Mar 10
Sunday
O'Leary Library8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Lydon Library8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.8 a.m. - 5 p.m.ClosedClosed
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Mar 11
Monday
Mar 12
Tuesday
Mar 13
Wednesday
Mar 14
Thursday
Mar 15
Friday
Mar 16
Saturday
Mar 17
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedBy AppointmentClosed
Display of Opening hours
Mar 18
Monday
Mar 19
Tuesday
Mar 20
Wednesday
Mar 21
Thursday
Mar 22
Friday
Mar 23
Saturday
Mar 24
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Mar 25
Monday
Mar 26
Tuesday
Mar 27
Wednesday
Mar 28
Thursday
Mar 29
Friday
Mar 30
Saturday
Mar 31
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Apr 01
Monday
Apr 02
Tuesday
Apr 03
Wednesday
Apr 04
Thursday
Apr 05
Friday
Apr 06
Saturday
Apr 07
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Apr 08
Monday
Apr 09
Tuesday
Apr 10
Wednesday
Apr 11
Thursday
Apr 12
Friday
Apr 13
Saturday
Apr 14
Sunday
O'Leary Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Lydon Library7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m.10:00 a.m. - 6:00 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryBy appointmentBy appointmentBy appointmentBy appointmentClosedClosedClosed
Display of Opening hours
Apr 15
Monday
Apr 16
Tuesday
Apr 17
Wednesday
Apr 18
Thursday
Apr 19
Friday
Apr 20
Saturday
Apr 21
Sunday
O'Leary Library 12:30 p.m. - midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m. 9 a.m. - 5 p.m.12:30 p.m. - Midnight
Lydon Library 12:30 p.m. - Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – Midnight7:30 a.m. – 7:00 p.m. 9 a.m. - 5 p.m.12:30 p.m. - Midnight
Center for Lowell HistoryClosed Patriot's DayBy appointmentBy appointmentBy appointmentClosedBy AppointmentClosed