University Libraries Hours
This page provides generalized hours for Main Library at Anderson Academic Commons, as well as a Bi-Monthly Calendar. For specific hours for service points, please visit the DU Campus Calendar.
View Bi-Monthly Calendar of Main Library Hours
Download Bi-Monthly Calendar of Main Library Hours
Only current DU students, staff, and faculty may access Main Library from 12a - 7am.
Academic Periods
(Click the links below to display hours on the right.)Bi-Monthly Calendar
Hours
Autumn/Winter/Spring Quarter
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
Open 10am |
24 Hours |
24 Hours |
24 Hours |
24 Hours |
Close 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 10a - 2am 12p - 12am 2p - 6pm Closed Closed 12p - 3pm 4p - 8pm 10a - 10pm 1p - 5pm | 8a - 2am 9a - 12am 9a - 8pm 9a - 4pm 8a - 4:30pm 9a - 7pm 9a - 6pm 8a - 10pm 8:30a - 10pm | 8a - 2am 9a - 12am 9a - 8pm 9a - 4pm 8a - 4:30pm 9a - 7pm 9a - 8pm 8a - 10pm 8:30a - 10pm | 8a - 2am 9a - 9pm 9a - 5pm 9a - 4pm 8a - 4:30pm 9a - 7pm 9a - 8pm 8a - 10pm 8:30a - 10pm | 8a - 2am 9a - 9pm 9a - 5pm 9a - 4pm 8a - 4:30pm 9a - 7pm 9a - 6pm 8a - 10pm 8:30a - 10pm | 8a - 10pm 9a - 5pm 9a - 5pm 9a - 4pm 8a - 4:30pm 9a - 1pm 10a - 2pm 8a - 8pm 8:30a - 6pm | 9a - 10pm 10a - 6pm 12p - 4pm Closed Closed Closed Closed 10a - 8pm 1p - 5pm |
Summer Quarter
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|
Open 10am |
24 Hours |
24 Hours |
24 Hours |
24 hours |
Close 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours
Subject to Change Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1p - 12am 1p - 5pm Appointment Closed Closed Closed Closed 1p - 5pm | 8a - 12am 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm 1p - 5pm 8a - 3pm 9a - 4:30pm | 8a - 12am 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm 12p - 8pm 8a - 3pm 9a - 4:30pm | 8a - 12am 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm 10a - 4pm 8a - 3pm 9a - 4:30pm | 8a - 12am 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm 9a - 12pm 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm 9a - 12pm 8a - 1pm 9a - 4:30pm | 9a - 6pm 1p - 5pm Appointment Closed Closed Closed Closed Closed |
Autumn Interterm
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|
Open 10am |
24 Hours |
24 Hours |
24 Hours |
24 Hours |
Close 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1p - 5pm 1p - 5pm Appointment Closed Closed Closed Closed 1p - 5pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 3pm 9a - 4:30pm | 1p - 5pm 1p - 5pm Appointment Closed Closed Closed Closed Closed |
Winter Interterm
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|
10am - 8pm |
8am - 8pm |
8am - 8pm |
8am - 8pm |
8am - 8pm |
8am - 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1p - 5pm 1p - 5pm Appointment Closed Closed Closed Closed Closed | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Varies 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Varies 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Varies 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Varies 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Varies 8a - 1pm 9a - 4:30pm | 1p - 5pm 1p - 5pm Appointment Closed Closed Closed Closed Closed |
Spring Interterm
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
Open 10am |
24 Hours |
24 Hours |
24 Hours |
24 Hours |
Close 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| Varies 10a - 5pm Varies Closed Closed Closed Closed 1p - 5pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 2pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 2pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 2pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 2pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm Closed 8a - 2pm 9a - 4:30pm | 1p - 5pm 1p - 5pm Appointment Closed Closed Closed Closed Closed |
When Winter Quarter ends on a Sunday, Research Consultation hours will be Noon to 4pm. If Winter Quarter exams have ended prior to Sunday, Research Consultation hours will be by appointment only. For the Sunday ending Spring Interterm, Research Consultation hours will be 1pm to 5pm.
When Winter Quarter ends on a Sunday, the 24-hour schedule ends at 5pm. If Winter Quarter exams have ended prior to Sunday, the Computer Lab will be staffed 1pm to 5pm. For the Sunday ending Spring Interterm, the Computer Lab will be staffed 1pm to midnight.
Summer Interterm
Main Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|
Open 10am |
24 Hours |
24 Hours |
24 Hours |
24 Hours |
Close 8pm |
9a - 8pm |
Service Partners Computer Lab Staffed Hours Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1p - 5pm 1p - 5pm Appointment Closed Closed To Be Determined Closed Closed | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm To Be Determined 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm To Be Determined 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm To Be Determined 8a - 3pm 9a - 4:30pm | 8a - 10pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm To Be Determined 8a - 3pm 9a - 4:30pm | 8a - 5pm 9a - 5pm Appointment 9a - 4pm 8a - 4:30pm To Be Determined 8a - 1pm 9a - 4:30pm | 1p - 5pm 1p - 5pm Appointment Closed Closed To Be Determined Closed Closed |
Extended Hours
What are extended hours?
Main Library hours are extended to accommodate preparation for final exams. During this period, the building is open, our book stacks and computers are accessible, and we provide Circulation services. Please refer to the hours of operation for individual service points.
May 2013
Service Partners Research Help Desk Hours Research Consultation Hours Special Collections Hours Office for Teaching & Learning Hours Math Center Hours Writing Center Hours Book Drop Cafe Hours Music Library Hours
| Monday 6/4 | Tuesday 6/5 | Wednesday 6/6 | Thursday 6/7 | Friday 6/8 | Saturday 6/9 | Sunday 6/10 |
| 9a - 12am 12p - 8pm 9a - 8pm | 9a - 12am 9a - 9pm Closed 9a - 8pm | 9a - 9pm 9a - 9pm Closed Closed | 9a - 9pm 9a - 5pm Closed 9a - 6pm | 9a - 5pm By Appointment Closed 10a - 2pm | 11a - 5pm By Appointment Closed Closed | Closed Closed Closed Closed |
University Libraries observes the following holidays with the exceptions to our hours below:
| Main Library | Computer Help Desk Staffed | |
| Martin Luther King Day | CLOSED | CLOSED |
| Easter | Regular Hours | Regular Hours |
| Memorial Day | 8a - 10pm | 8a - 10pm |
| Independence Day (7/4) | CLOSED (If the holiday falls on a Saturday, the library will also be closed on the preceding Friday. If the holiday falls on a Sunday, the library will also be closed on the succeeding Monday.) |
CLOSED (If the holiday falls on a Saturday, the library will also be closed on the preceding Friday. If the holiday falls on a Sunday, the library will also be closed on the succeeding Monday.) |
| Labor Day | 10a - 4pm | 10a - 4pm |
| Wednesday before Thanksgiving | 8a - 8pm | 8a - 8pm |
| Thanksgiving (Thurs-Sun) | CLOSED | CLOSED |
| December 24th | 8a - 4:30pm | 9a - 4pm |
| Winter Holiday (12/25-1/1) | CLOSED | CLOSED |
- Access Services
- Alumni
- Distance learning students
- Faculty
- Graduate students
- Music Library
- Staff
- Students
- Undergraduate students
- Visitors
