As you prepare for the Spring 2024 semester, please keep in mind the following key dates. Deadlines occur at 11:59 p.m. Mountain Time unless otherwise noted.
These dates apply to Main Campus classes that follow听the full-semester start and end dates (Jan. 16鈥揗ay 8, 2024). For other calendars, see our academic calendar webpage.*
Monday, Jan. 8
- Last day to and receive a full refund, less any outstanding charges.
Tuesday, Jan. 9
- for students starting classes on Jan. 16.
Monday, Jan. 15
- Martin Luther King Jr. holiday (no classes; university closed).
Tuesday, Jan. 16
- First day of classes.
- Last day to .
Wednesday, Jan. 24
- Last day to , or for a closed class.
- Last day to .
Wednesday, Jan. 31
- Last day to without penalty.
- Last day to without tuition charges and W grades; a $200 withdrawal fee applies.
- Last day to .
Sunday, Feb. 4
- Last day to .
Monday, Feb. 5
- Last day to .
- . Students still on the waitlist lose access to that class's online materials, but may be eligible to in the course the next time it's offered.
Tuesday, Feb. 13
- Last day to .
Friday, March 22
- Last day to .
- Last day to .
Monday, March 25鈥揊riday, March 29
- Spring break (no classes; university closed March 29).
Thursday, May 2
- Last day of classes.
- Last day to .
Saturday, May 4鈥揥ednesday, May 8
- .
* If you鈥檙e enrolled in any class that doesn鈥檛 meet for the full 16 weeks, it鈥檚 a special session class. Special session classes follow different deadlines than full-semester classes (view the special session calendar). To check the session and view key dates for one of your classes, go to the card in Buff Portal. Select a class to view session information and the 鈥淒rop/Swap/Edit This Class鈥� button for related deadlines.
Office of the Registrar | University of baby直播app Boulder
303-492-6970 | registrar@colorado.edu