There are six 8-week sessions per year. Enrollment opens 2 weeks before the first day of class and ends 2 weeks before all coursework is due. All for-credit coursework is due by the last day of the 8-week session.

For additional dates, visit CU Boulder on Coursera Calendar.  This calendar provides further details on the posting of final grades and degree and certificate conferral dates.

2023 Sessions

Enrollment Open: Jan 02 – Feb 24  |  Course Session: Jan 16 – Mar 10

  • Jan 02, 9:00 a.m. MT | Enrollment Opens 
  • Dec 24–Jan 2 | University closed – The University of Colorado Boulder will be closed at this time, including technical support for enrollment. Please plan accordingly and expect delays in response to any communications sent to the university during that time.
  • Jan 16, 9:00 a.m. MT | Classes Start
  • Jan 16, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jan 29, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Feb 24, 5:00 p.m. MT | Enrollment Closes
  • Mar 07, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Mar 07, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Mar 10, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Mar 10, 4:50 p.m. MT | Deadline to Review Your Peers
  • Mar 10, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items

Enrollment Open: Feb 27 – Apr 21 |  Course Session: Mar 13 – May 05

  • Feb 27, 9:00 a.m. MT | Enrollment Opens
  • Mar 13, 9:00 a.m. MT | Classes Start
  • Mar 13, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Mar 12, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Apr 21, 5:00 p.m. MT | Enrollment Closes
  • May 02, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • May 02, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • May 05, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • May 05, 4:50 p.m. MT | Deadline to Review Your Peers
  • May 05, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • May 05, 11:59 p.m. MT | Classes end – access to all items is removed

Enrollment Open: Apr 24 – Jun 16  |  Course Session: May 08 – Jun 30 

  • Apr 24, 9:00 a.m. MT | Enrollment Opens
  • May 08, 9:00 a.m. MT | Classes Start
  • May 08, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • May 21, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Jun 16, 5:00 p.m. MT | Enrollment Closes
  • Jun 27, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Jun 27, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Jun 30, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Jun 30, 4:50 p.m. MT | Deadline to Review Your Peers
  • Jun 30, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Jun 30, 11:59 p.m. MT | Classes end – access to all items is removed

Enrollment Open: Jun 19 – Aug 11  |  Course Session: Jul 03 – Aug 25

  • Jun 19, 9:00 a.m. MT | Enrollment Opens
  • Jul 03, 9:00 a.m. MT | Classes Start
  • Jul 03, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jul 02, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Aug 11, 5:00 p.m. MT | Enrollment Closes
  • Aug 22, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Aug 22, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Aug 25, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Aug 25, 4:50 p.m. MT | Deadline to Review Your Peers
  • Aug 25, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Aug 25, 11:59 p.m. MT | Classes end – access to all items is removed

Enrollment Open: Aug 14 – Oct 05  |  Course Session: Aug 28 – Oct 20 

  • Aug 14, 9:00 a.m. MT | Enrollment Opens
  • Aug 28, 9:00 a.m. MT | Classes Start
  • Aug 28, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Sep 10, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Oct 05, 5:00 p.m. MT | Enrollment Closes
  • Oct 17, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Oct 17, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Oct 20, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Oct 20, 4:50 p.m. MT | Deadline to Review Your Peers
  • Oct 20, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Oct 20, 11:59 p.m. MT | Classes end – access to all items is removed

Enrollment Open: Oct 11 – Dec 01  |  Course Session: Oct 23 – Dec 15 

  • Oct 11, 9:00 a.m. MT | Enrollment Opens - Note that this is two days later than the usual schedule!
  • Oct 23, 9:00 a.m. MT | Classes Start
  • Oct 23, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Nov 05, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Dec 01, 5:00 p.m. MT | Enrollment Closes
  • Dec 06, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Dec 12, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Dec 12, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Dec 15, 4:50 p.m. MT | Deadline to Review Your Peers
  • Dec 15, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Dec 15, 11:59 p.m. MT | Classes end – access to all items is removed

2024 Sessions

Enrollment Open: Jan 02 – Feb 23  |  Course Session: Jan 15 – Mar 8

  • Jan 02, 9:00 a.m. MT | Enrollment Opens 
  • Jan 15, 9:00 a.m. MT | Classes Start
  • Jan 15, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jan 28, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Feb 23, 5:00 p.m. MT | Enrollment Closes
  • Mar 05, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Mar 05, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Mar 8, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Mar 8, 4:50 p.m. MT | Deadline to Review Your Peers
  • Mar 8, 11:59 p.m. MT | Classes End – Deadline to access & submit all remaining graded items
  • Mar 18, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • Mar 28, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
  • Apr 7, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered

Enrollment Open: Feb 26 – Apr 19 |  Course Session: Mar 11 – May 03

  • Feb 26, 9:00 a.m. MT | Enrollment Opens
  • Mar 11, 9:00 a.m. MT | Classes Start
  • Apr 19, 5:00 p.m. MT | Enrollment Closes
  • Apr 30, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • May 03, 4:50 p.m. MT | Deadline to Review Your Peers
  • May 03, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • May 03, 11:59 p.m. MT | Classes end – access to all items is removed
  • May 13, 11:59 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • May 24, 11:59 p.m. | Degree and certificates conferred by 5 p.m.
  • May 31, 11:59 p.m. | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered

Enrollment Open: Apr 22 – Jun 14  |  Course Session: May 06 – Jun 28 

  • Apr 22, 9:00 a.m. MT | Enrollment Opens
  • May 06, 9:00 a.m. MT | Classes Start
  • May 06, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • May 19, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Jun 14, 5:00 p.m. MT | Enrollment Closes
  • Jun 25, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Jun 25, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Jun 28, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Jun 28, 4:50 p.m. MT | Deadline to Review Your Peers
  • Jun 28, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Jun 28, 11:59 p.m. MT | Classes end – access to all items is removed
  • Jul 8, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • Jul 19, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
  • Jul 26, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered

Enrollment Open: Jun 17 – Aug 09  |  Course Session: Jul 01 – Aug 23

  • Jun 17, 9:00 a.m. MT | Enrollment Opens
  • Jul 01, 9:00 a.m. MT | Classes Start
  • Jul 01, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Jul 14, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Aug 09, 5:00 p.m. MT | Enrollment Closes
  • Aug 20, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Aug 20, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Aug 23, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Aug 23, 4:50 p.m. MT | Deadline to Review Your Peers
  • Aug 23, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Aug 23, 11:59 p.m. MT | Classes end – access to all items is removed
  • Sep 3, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • Sep 13, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
  • Sep 20, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered

Enrollment Open: Aug 12 – Oct 03  |  Course Session: Aug 26 – Oct 18 

  • Aug 12, 9:00 a.m. MT | Enrollment Opens
  • Aug 26, 9:00 a.m. MT | Classes Start
  • Aug 26, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Sep 08, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment
  • Oct 03, 5:00 p.m. MT | Enrollment Closes
  • Oct 15, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Oct 15, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Oct 18, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Oct 18, 4:50 p.m. MT | Deadline to Review Your Peers
  • Oct 18, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Oct 18, 11:59 p.m. MT | Classes end – access to all items is removed
  • Oct 28, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • Nov 8, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
  • Nov 15, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered

Enrollment Open: Oct 08 – Nov 29  |  Course Session: Oct 21 – Dec 13 

  • Oct 08, 9:00 a.m. MT | Enrollment Opens - Note that this is two days later than the usual schedule!
  • Oct 21, 9:00 a.m. MT | Classes Start
  • Oct 21, 9:00 a.m. MT | ProctorU final exam scheduling begins – Do this as soon as possible! Must schedule exams 72+ hours in advance. The longer you wait, the fewer available spots.
  • Nov 4, 11:59 p.m. MT | Deadline to petition for a refund for any classes enrolled in before classes started – Must drop class & submit petition within 14 days of registration and before accessing final assessment 
  • Nov 29, 5:00 p.m. MT | Enrollment Closes
  • Dec 10, 4:50 p.m. MT | Deadline to Schedule ProctorU Exams
  • Dec 10, 4:50 p.m. MT | Deadline to Submit Peer-graded Assignments
  • Dec 13, 4:50 p.m. MT | Deadline to complete ProctorU Exams
  • Dec 13, 4:50 p.m. MT | Deadline to Review Your Peers
  • Dec 13, 4:50 p.m. MT | Deadline to submit all remaining graded items
  • Dec 13, 11:59 p.m. MT | Classes end – access to all items is removed
  • Dec 20, 5:00 p.m. MT | Final grades post at 5 p.m., available in Buff Portal through the grades & GPA card
  • Dec 25 - Jan 1, Winter Break, Campus Closed
  • Jan 12, 5:00 p.m. MT | Degree and certificates conferred by 5 p.m.
  • Jan 19, 11:59 p.m. MT | Last day to update your diploma name and address in Buff Portal before diplomas and certificates are ordered