Dec. 17, 2025 – Timetable Changes for Winter 2026 Opens Posted on December 11, 2025 at 9:10 am. Full-time students may process timetable changes through MyDC beginning at 4:00 p.m. December 17, 2025 to January 16, 2026. ADD/DROP/SWAP How to Add Courses How to Drop Courses How to Swap Courses How to Add GNED’s
