Sinclair Academic Calendar 2025. December 2 (mon) deadline for departments to update course grading basis, unit, and/or component configuration for classes offered in winter. Sinclair's main campus calendar of events from all areas around campus, including important academic dates, arts and performance productions, workshops, conferences,.
In observance of new year’s day, all sinclair campuses will be closed for business and classes. Follow the links below to the academic calendar for the academic year you want to view.