Academic Calendar

Main Campus Calendars By Topic

Other ¾«Í¯ÓûÅ® Calendars

Main Campus Key Dates

These dates apply toÌýfull-semester ¾«Í¯ÓûÅ® Boulder Main Campus classes.
For all other classes, see "Other ¾«Í¯ÓûÅ® Calendars" above.
To view unabridged academic calendars, click the PDF links onÌýthe right.

Revised Academic Calendar

¾«Í¯ÓûÅ® Boulder’s new academic calendar takes effect Fall 2025. For more information and FAQs, seeÌýrevised academic calendar.

Spring 2025

Summer 2025

Fall 2025

Spring 2026

Summer 2026

Fall 2026