Mullen Library: Hours this Week
Only students, faculty, and staff with a current CU ID may enter at this time.
- 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.
|Monday - Thursday||Friday||Saturday
|8am - 11pm||8am - 8pm||10am - 5pm||11am - 11pm|
|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|
|March 5||Saturday||9am - 5pm|
|March 6||Sunday||11am - 5pm|
|March 7 - 11||Monday - Saturday||9am - 5pm|
|April 13||Wednesday||8am - 5pm|
|April 14 - 16||Thursday - Saturday||9am - 5pm|
|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 9 - 13||Monday - Friday||9am - 5pm|
|May 14||Saturday||9am - 3pm *Limited Services*|