Mullen Library: Hours this Week
Only students, faculty, and staff with a current CU ID may enter at this time.
Notes
- When the Circulation Desk is closed, you may use the self-check station to borrow books from the Stacks.
- Stacks close 30 minutes before building.
- Select reading rooms are open overnight for CU students Monday – Thursday with limited services (January 31 - May 5).
- The Special Collections, Oliveira Lima Library, and Semitics/ICOR Library are open by appointment.
- Emergency closings will be announced as required.
Mullen Library General Hours
| Monday - Thursday | Friday | Saturday |
Sunday |
| 8am - 11pm | 8am - 8pm | 10am - 5pm | 11am - 11pm |
Mullen Library Holidays and Special Hours
| Christmas & Intersession | ||
| December 20 - 21 | Monday - Tuesday | 9am - 5pm |
| December 22 | Wednesday | 9am - 12pm |
| December 23 - January 2 | Thursday - Sunday | Closed |
| January 3 - 7 | Monday - Friday | 9am - 5pm |
| January 8 - 9 | Saturday - Sunday | Closed |
| Martin Luther King Jr. Day | ||
| January 16 | Sunday | 11am - 5pm |
| January 17 | Monday | Closed |
| Spring Break | ||
| March 5 | Saturday | 9am - 5pm |
| March 6 | Sunday | 11am - 5pm |
| March 7 - 11 | Monday - Saturday | 9am - 5pm |
| Easter Break | ||
| April 13 | Wednesday | 8am - 5pm |
| April 14 - 16 | Thursday - Saturday | 9am - 5pm |
| April 17 | Sunday | Closed |
| April 18 | Monday | 11am - 11pm |
| End of Semester | ||
| April 24 | Sunday | 11am - 11pm |
| April 25 - 28 | Monday - Thursday | 8am - 11pm |
| April 29 | Friday | 8am - 10pm |
| April 30 | Saturday | 9am - 8pm |
| May 1 | Sunday | 11am - 11pm |
| May 2 - 5 | Monday - Thursday | 8am - 11pm |
| May 6 | Friday | 8am - 10pm |
| May 7 | Saturday | 9am - 5pm |
| Intersession & Commencement | ||
| May 8 | Sunday | Closed |
| May 9 - 13 | Monday - Friday | 9am - 5pm |
| May 14 | Saturday | 9am - 3pm *Limited Services* |