Academic
Calendar
Iliff Building Hours (and Ira J. Taylor Library)
During Semester Sessions
- Monday – Friday: 8:00 am – 2:00 pm
- Saturday: Closed
- Sunday: Closed
During Journey/ Gathering Days
- Monday – Friday: 7:30 am – 9:45 pm
- Saturday: 7:30 am – 6:00 pm
- Sunday: Closed
During Non-Semester Sessions
- Monday – Friday: 8:00 am – 4:30 pm
- Saturday – Sunday: Closed
Important Dates
Iliff’s academic calendar can keep you on track from the start of Summer classes through the Fall term.
Download the 2026-27 PDF here: ACADEMIC CALENDAR 2026_27
Download the 2025-26 PDF here: ACADEMIC CALENDAR 2025_26.
- 2026 Spring Semester
- 2026 Summer Intensives
- 2026 Fall Semester
- 2027 January Intensives
- 2027 Spring Semester
|
Spring Semester |
2026 |
|
Classes Begin (Monday) |
Feb 2 |
|
Last Day to Add Courses (Sunday) |
Feb 8 |
|
Incompletes from January Intensive Due |
Feb 13 |
|
Last Day to Drop Course (Sunday) |
Feb 15 |
|
Gathering Days |
Mar 2- 7 wk 5 |
|
Spring Break (does not align with DU) |
Mar 9 -13 wk 6 |
|
Last Day to Withdraw from Courses (Sunday) |
Mar 15 |
|
Summer Registration |
Mar 24 |
|
Easter Recess (Iliff Closed) |
April 3-5 wk 9 |
|
Research and Integration Wk |
Apr 27 – May 1 |
|
Honors Convocation (Thursday) |
May 14 |
|
Classes End (Friday) |
Wk 15 May 15 |
|
Commencement (Friday) |
May 15 |
|
Incompletes from Spring Due |
June 5 |
|
Summer Intensives (varying start dates & course lengths) |
|
|
Memorial Day (Iliff Closed) |
May 25 |
|
Classes Begin (Monday) |
June 1 |
|
Last Day to Add/Drop Summer Intensive |
June 7 |
|
Last Day to Withdraw from Summer Intensive |
June 14 |
|
Fall Registration Opens |
June 15 |
|
Juneteenth (Iliff closed) |
June 19 |
|
Iliff Closed |
July 3 |
|
Classes End – Week 9 |
July 31 |
|
Fall Orientation |
August 8 – 28 |
|
Deadline for Summer Incompletes |
August 21 |
|
Fall Semester |
2026 |
|
Classes Begin (Tuesday) |
Sept 1 |
|
Opening Convocation |
Sept 2 |
|
Last Day to Add Courses (Sunday) |
Sept 6 |
|
Labor Day (Iliff Closed) |
Sept 7 |
|
Last Day to Drop Courses (Sunday) |
Sept 13 |
|
Gathering Days – Week 5 |
Sept 28 – Oct 3 |
|
Fall break – Week 6 |
Oct 5 – 9 |
|
Last Day to Withdraw from Courses (Sunday) |
Oct 11 |
|
Board of Trustees Meeting |
Oct 14/15 |
|
January/Spring Registration Opens |
Oct 20 |
|
Research & Integration Week (Thanksgiving Week) |
Nov 23 – 27 |
|
Classes End – Week 15 |
Dec 11 |
|
Iliff Winter Break |
Dec 21 – Jan 1 |
|
January Intensives (3 Weeks) |
Jan 4 – 25 |
|
Deadline for Fall Incompletes |
Jan 8 |
|
Spring Orientation |
Jan 11 – 22 |
|
Martin Luther King Jr Day (Iliff closed) |
Jan 18 |
|
Deadline for January Intensive Incompletes |
Feb 12 |
|
Spring Semester |
2027 |
|
Classes Begin (Monday) |
Feb 1 |
|
Last Day to Add Courses (Sunday) |
Feb 7 |
|
Last Day to Drop Course (Sunday) |
Feb 14 |
|
Board of Trustees Meeting |
Feb 18 |
|
Gathering Days – Week 5 |
Mar 1 – 6 |
|
Spring Break (does not align with DU) – Week 6 |
Mar 8 – 12 |
|
Last Day to Withdraw from Courses (Sunday) |
Mar 14 |
|
Summer Registration Opens |
Mar 23 |
|
Easter Recess (Iliff Closed Friday) – Week 8 |
Mar 26 – 28 |
|
Research & Integration Week |
Apr 26 – Apr 30 |
|
Board of Trustees Meeting |
May 13 |
|
Honors Convocation (Thursday) |
May 13 |
|
Classes End – Week 15 |
May 14 |
|
Commencement (Friday) |
May 14 |
|
Deadline for Spring Incompletes |
June 4 |