Academic Calendar

Main Campus Calendars By Topic

Other ÃÛÌÇÖ±²¥ Calendars

Main Campus Key Dates

These dates apply to full-semester ÃÛÌÇÖ±²¥ Boulder Main Campus classes.
For all other classes, see "Other ÃÛÌÇÖ±²¥ Calendars" above.
To view unabridged academic calendars, click the PDF links on the right.

Revised Academic Calendar

ÃÛÌÇÖ±²¥ Boulder’s new academic calendar takes effect Fall 2025. For more information and FAQs, see revised academic calendar.

Fall 2024

Spring 2025

Summer 2025

Fall 2025

Spring 2026

Summer 2026