Hours
Locations and Directions
O'Leary Library
61 Wilder Street, Lowell, MA 01854
Get Directions
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
| Oct 27 Monday | Oct 28 Tuesday | Oct 29 Wednesday | Oct 30 Thursday | Oct 31 Friday | Nov 01 Saturday | Nov 02 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Lydon Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Nov 03 Monday | Nov 04 Tuesday | Nov 05 Wednesday | Nov 06 Thursday | Nov 07 Friday | Nov 08 Saturday | Nov 09 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Lydon Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Nov 10 Monday | Nov 11 Tuesday | Nov 12 Wednesday | Nov 13 Thursday | Nov 14 Friday | Nov 15 Saturday | Nov 16 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 3pm – 11pm Veteran's Day Hours | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Lydon Library | 7:30am – 11pm | 3pm – 11pm Veteran's Day Hours | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | 10:00am - 3:00pm, by appointment | Closed |
| Nov 17 Monday | Nov 18 Tuesday | Nov 19 Wednesday | Nov 20 Thursday | Nov 21 Friday | Nov 22 Saturday | Nov 23 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Lydon Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 6pm | 10am – 6pm | 3pm – 11pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Nov 24 Monday | Nov 25 Tuesday | Nov 26 Wednesday | Nov 27 Thursday | Nov 28 Friday | Nov 29 Saturday | Nov 30 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 7:30am – 11pm | 8am – 2pm | Closed Thanksgiving Break | Closed Thanksgiving Break | Closed Thanksgiving Break | 3pm – 11pm |
| Lydon Library | 7:30am – 11pm | 7:30am – 11pm | 8am – 2pm | Closed Thanksgiving Break | Closed Thanksgiving Break | Closed Thanksgiving Break | 3pm – 11pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am – 2pm | Closed Thanksgiving Break | Closed Thanksgiving Break | Closed Thanksgiving Break | Closed |
| Dec 01 Monday | Dec 02 Tuesday | Dec 03 Wednesday | Dec 04 Thursday | Dec 05 Friday | Dec 06 Saturday | Dec 07 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11:45pm | 10am – 11:45pm | 3pm – 11:45pm |
| Lydon Library | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11pm | 7:30am – 11:45pm | 10am – 11:45pm | 3pm – 11:45pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Dec 08 Monday | Dec 09 Tuesday | Dec 10 Wednesday | Dec 11 Thursday | Dec 12 Friday | Dec 13 Saturday | Dec 14 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7am – 11:45pm | 1pm – 11:45pm |
| Lydon Library | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7:30am – 11:45pm | 7am – 11:45pm | 1pm – 11:45pm |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Dec 15 Monday | Dec 16 Tuesday | Dec 17 Wednesday | Dec 18 Thursday | Dec 19 Friday | Dec 20 Saturday | Dec 21 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 6pm | Closed |
| Lydon Library | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 11:45pm | 7am – 6pm | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | 10:00am - 3:00pm, by appointment | Closed |
| Dec 22 Monday | Dec 23 Tuesday | Dec 24 Wednesday | Dec 25 Thursday | Dec 26 Friday | Dec 27 Saturday | Dec 28 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | Closed Remote Services Only | Closed Remote Services Only | Closed Remote Services Only | Closed | Closed | Closed | Closed |
| Lydon Library | Closed Remote Services Only | Closed Remote Services Only | Closed Remote Services Only | Closed | Closed | Closed | Closed |
| Center for Lowell History | Closed Remote Services Only | Closed Remote Services Only | Closed Remote Services Only | Closed | Closed | Closed | Closed |
| Dec 29 Monday | Dec 30 Tuesday | Dec 31 Wednesday | Jan 01 Thursday | Jan 02 Friday | Jan 03 Saturday | Jan 04 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | Closed | Closed | Closed | Closed | – | – | – |
| Lydon Library | Closed | Closed | Closed | Closed | – | – | – |
| Center for Lowell History | Closed | Closed | Closed | Closed | – | – | – |
| Jan 05 Monday | Jan 06 Tuesday | Jan 07 Wednesday | Jan 08 Thursday | Jan 09 Friday | Jan 10 Saturday | Jan 11 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Jan 12 Monday | Jan 13 Tuesday | Jan 14 Wednesday | Jan 15 Thursday | Jan 16 Friday | Jan 17 Saturday | Jan 18 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Jan 19 Monday | Jan 20 Tuesday | Jan 21 Wednesday | Jan 22 Thursday | Jan 23 Friday | Jan 24 Saturday | Jan 25 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Jan 26 Monday | Jan 27 Tuesday | Jan 28 Wednesday | Jan 29 Thursday | Jan 30 Friday | Jan 31 Saturday | Feb 01 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Feb 02 Monday | Feb 03 Tuesday | Feb 04 Wednesday | Feb 05 Thursday | Feb 06 Friday | Feb 07 Saturday | Feb 08 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Feb 09 Monday | Feb 10 Tuesday | Feb 11 Wednesday | Feb 12 Thursday | Feb 13 Friday | Feb 14 Saturday | Feb 15 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Feb 16 Monday | Feb 17 Tuesday | Feb 18 Wednesday | Feb 19 Thursday | Feb 20 Friday | Feb 21 Saturday | Feb 22 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Feb 23 Monday | Feb 24 Tuesday | Feb 25 Wednesday | Feb 26 Thursday | Feb 27 Friday | Feb 28 Saturday | Mar 01 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Mar 02 Monday | Mar 03 Tuesday | Mar 04 Wednesday | Mar 05 Thursday | Mar 06 Friday | Mar 07 Saturday | Mar 08 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Mar 09 Monday | Mar 10 Tuesday | Mar 11 Wednesday | Mar 12 Thursday | Mar 13 Friday | Mar 14 Saturday | Mar 15 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| October 2025 | ||||||
|---|---|---|---|---|---|---|
| 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 | 24 | 25 | 26 |
27 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 28 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 29 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 30 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 31 O'Leary Library 7:30am – 6pmLydon Library 7:30am – 6pmCenter for Lowell History Closed | ||
| November 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 O'Leary Library 10am – 6pmLydon Library 10am – 6pmCenter for Lowell History Closed | 2 O'Leary Library 3pm – 11pmLydon Library 3pm – 11pmCenter for Lowell History Closed | |||||
3 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 4 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 5 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 6 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 7 O'Leary Library 7:30am – 6pmLydon Library 7:30am – 6pmCenter for Lowell History Closed | 8 O'Leary Library 10am – 6pmLydon Library 10am – 6pmCenter for Lowell History Closed | 9 O'Leary Library 3pm – 11pmLydon Library 3pm – 11pmCenter for Lowell History Closed |
10 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 11 O'Leary Library 3pm – 11pm Veteran's Day HoursLydon Library 3pm – 11pm Veteran's Day HoursCenter for Lowell History 9:30am - 5:00pm, by appointment | 12 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 13 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 14 O'Leary Library 7:30am – 6pmLydon Library 7:30am – 6pmCenter for Lowell History Closed | 15 O'Leary Library 10am – 6pmLydon Library 10am – 6pmCenter for Lowell History 10:00am - 3:00pm, by appointment | 16 O'Leary Library 3pm – 11pmLydon Library 3pm – 11pmCenter for Lowell History Closed |
17 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 18 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 19 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 20 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 21 O'Leary Library 7:30am – 6pmLydon Library 7:30am – 6pmCenter for Lowell History Closed | 22 O'Leary Library 10am – 6pmLydon Library 10am – 6pmCenter for Lowell History Closed | 23 O'Leary Library 3pm – 11pmLydon Library 3pm – 11pmCenter for Lowell History Closed |
24 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 25 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 26 O'Leary Library 8am – 2pmLydon Library 8am – 2pmCenter for Lowell History 9:30am – 2pm | 27 O'Leary Library Closed Thanksgiving BreakLydon Library Closed Thanksgiving BreakCenter for Lowell History Closed Thanksgiving Break | 28 O'Leary Library Closed Thanksgiving BreakLydon Library Closed Thanksgiving BreakCenter for Lowell History Closed Thanksgiving Break | 29 O'Leary Library Closed Thanksgiving BreakLydon Library Closed Thanksgiving BreakCenter for Lowell History Closed Thanksgiving Break | 30 O'Leary Library 3pm – 11pmLydon Library 3pm – 11pmCenter for Lowell History Closed |
| December 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 2 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 3 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 4 O'Leary Library 7:30am – 11pmLydon Library 7:30am – 11pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 5 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History Closed | 6 O'Leary Library 10am – 11:45pmLydon Library 10am – 11:45pmCenter for Lowell History Closed | 7 O'Leary Library 3pm – 11:45pmLydon Library 3pm – 11:45pmCenter for Lowell History Closed |
8 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 9 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 10 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 11 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 12 O'Leary Library 7:30am – 11:45pmLydon Library 7:30am – 11:45pmCenter for Lowell History Closed | 13 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History Closed | 14 O'Leary Library 1pm – 11:45pmLydon Library 1pm – 11:45pmCenter for Lowell History Closed |
15 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 16 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 17 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 18 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 19 O'Leary Library 7am – 11:45pmLydon Library 7am – 11:45pmCenter for Lowell History Closed | 20 O'Leary Library 7am – 6pmLydon Library 7am – 6pmCenter for Lowell History 10:00am - 3:00pm, by appointment | 21 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
22 O'Leary Library Closed Remote Services OnlyLydon Library Closed Remote Services OnlyCenter for Lowell History Closed Remote Services Only | 23 O'Leary Library Closed Remote Services OnlyLydon Library Closed Remote Services OnlyCenter for Lowell History Closed Remote Services Only | 24 O'Leary Library Closed Remote Services OnlyLydon Library Closed Remote Services OnlyCenter for Lowell History Closed Remote Services Only | 25 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 26 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 27 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 28 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
29 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 30 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 31 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | ||||
| January 2026 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 2 | 3 | 4 | |||
5 | 6 | 7 | 8 | 9 | 10 | 11 |
12 | 13 | 14 | 15 | 16 | 17 | 18 |
19 | 20 | 21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 | 31 | |
