Academic Calendar

Main Campus Calendars By Topic

Other CU Calendars

Main Campus Key Dates

These dates apply toÌýfull-semester CU Boulder Main Campus classes.
For all other classes, see "Other CU Calendars" above.
To view unabridged academic calendars, click the PDF links onÌýthe right.

Revised Academic Calendar

CU Boulder’s new academic calendar takes effect Fall 2025. For more information and FAQs, seeÌýrevised academic calendar.

Fall 2025

Spring 2026

Summer 2026

Fall 2026

Spring 2027

Summer 2027