Published: Sept. 1, 2023 By

Who Received This Email?
We sent this email at 7:30 p.m. on Thursday, Aug. 31, 2023, to Main Campus, degree-seeking undergraduate and graduate students who were either enrolled in Fall 2023 classes or were eligible to enroll.

Law students should refer to the Colorado Law calendar.

Dear [first],

Welcome to the 2023–24 academic year at CU Boulder! Here are the Main Campus academic dates most likely to affect you.*

Monday, Sept. 4

Tuesday, Sept. 5

Wednesday, Sept. 6

Wednesday, Sept. 13

Friday, Sept. 15

Monday, Sept. 18

  • Waitlists are canceled. Students still on the waitlist lose access to that class's online materials, but may be eligible to reserve a seat in the course the next time it's offered.

Friday, Nov. 3

Monday, Nov. 20–Friday, Nov. 24

  • Fall break (no classes; university closed Nov. 23 & 24).

Thursday, Dec. 14

Saturday, Dec. 16–Wednesday, Dec. 20

*These dates apply to Main Campus classes that follow the full-semester start and end dates. For other calendars, see our academic calendar webpage. Deadlines occur at 11:59 p.m. Mountain Time unless otherwise noted.

Office of the Registrar | University of Colorado Boulder
303-492-6970 |