Iliff Building Hours (and Ira J. Taylor Library)

During Quarter 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-Quarter 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.

Summer Quarter

Summer Quarter202320242025
Classes Begin (Monday)June 12June 10June 9
Last Day to Add CoursesJune 18June 16June 15
Juneteenth Holiday (Iliff Closed)June 19June 19June 19 (Th)
Online Registration for Fall Quarter BeginsJune 27June 25June 24
Last Day to Drop CoursesJune 25June 23June 22
Fourth of July Holiday (Iliff Closed)July 4 (Tue)July 4 (Thu)July 4 (Fri)
Last Day to Withdraw from CoursesJuly 16July 21July 20
Classes EndAug 18Aug 16Aug 15
Incompletes from Summer DueSept 8Sept 6Sept 5

Fall Quarter

Fall Quarter202320242025
Labor Day (Iliff Closed)Sept 4Sept 2Sept 1
Faculty RetreatSept 5-6Sept 3-4Sept 2-3
New Student OrientationTBDTBDTBD
Classes Begin (Monday)Sept 12Sept 9Sept 8
Fall Convocation (Wednesday)Sept 13Sept 11Sept 10
Last Day to Add CoursesSept 17Sept 15Sept 14
Last Day to Drop CoursesSept 24Sept 22Sept 21
Fall Intensive for 1st Year Journey StudentsOct 8-14Oct 6-12Oct 5-11
Gathering Days Oct 9-14Oct 7-12Oct 6-11
Last Day to Withdraw from CoursesOct 22Oct 20Oct 19
Online Registration for Winter Quarter BeginsOct 31Oct 29Oct 28
Classes EndNov 17Nov 15Nov 14
Thanksgiving (Iliff Closed) Nov 23-24Nov 21-22Nov 27-28
Winter IntertermNov 27-Dec 8Nov 25-Dec
Dec 1-Dec 12
Incompletes from Fall DueDec 8Dec 6Dec 5

Winter Quarter

Winter Quarter Key Dates202420252026
Classes BeginJan 8Jan 13Jan 12
Last Day to Add CoursesJan 14Jan 19Jan 18
Martin Luther King, Jr. Holiday (Iliff Closed)Jan 15Jan 20Jan 19
Last Day to Drop CoursesJan 21Jan 26Jan 25
Gathering Days Feb 5-10Feb 10-15Feb 9-14
Online Registration for Spring BeginsFeb 13Feb 11Feb 10
Last Day to Withdraw from CoursesFeb 18Feb 24Feb 23
Online Reg. for Summer BeginsMarch 5March 4March 3
Classes End (Friday)March 15March 21Mar 20
Spring BreakMarch 18-22March 24-28March 23-27
Incompletes from Winter DueApril 5April 11April 10

Spring Quarter

Spring Quarter Key Dates202420252026
Classes Begin (Monday)March 25March 31March 30
Easter Recess (Iliff Closed)March 29-31April 18-20April 3-5
Last Day to Add CoursesMarch 31April 6April 5
Last Day to Drop CoursesApril 7April 13April 12
Gathering DaysApril 22-27April 28-May 3April 27-May 2
Last Day to Withdraw from CoursesMay 5May 11May 10
Memorial Day (Iliff Closed)May 27May 26May 25
Honors Convocation (Thursday)May 30June 5June 4
Classes End (Friday)May 31June 6June 5
Commencement (Friday)May 31June 6June 5
Incompletes from Spring DueJune 21June 27June 26