Winter Session 2026 Calendar
| Event/Deadline | Date |
|---|---|
| Online Registration for Current CSUN Students Begins | Tuesday, October 7, 2025 |
| Online Nonrestrictive Registration Begins | Tuesday, October 14, 2025 |
| First Day of Class | Monday, December 22, 2025 |
| HOLIDAY; campus closed. Online classes remain in session during campus closure for holidays. The CSUN library is available electronically. | Thursday, December 25, 2025 – Thursday, January 1, 2026 |
| Last day to add without permission. Last day to drop and receive a refund | Monday, December 29, 2025 |
| Last day to drop a class using the online, self-service registration system; Last day to add a class using the online, self-service registration system; a permission number is required. | Tuesday, December 30, 2025 |
| Last Day of Classes | Friday, January 16, 2026 |
