Open University
View the semester calendar below.
Winter Session 2025
Please note that the calendar below applies to the Winter Term 2025. The Winter Term 2026 calendar will be available in Fall 2025. In the meantime, reviewing these past dates might help you plan ahead for the upcoming semester.
| Event/Deadline | Date |
|---|---|
| FULLY ONLINE COURSES | |
| Online Registration for Current CSUN Students Begins | Tuesday, October 8, 2024 |
| Online Nonrestrictive Registration Begins | Tuesday, October 15, 2024 |
| First Day of Class | Monday, December 23, 2024 |
| HOLIDAY; campus closed. Online classes remain in session during campus closure for holidays. The CSUN library is available electronically. |
Wednesday, December 25, 2024 – Wednesday, January 1, 2025 |
| Last day to add without permission. Last day to drop and receive a refund | Monday, December 30, 2024 |
| 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 31, 2024 |
| Last Day of Classes | Tuesday, January 14, 2025 |
Spring Semester 2025
| Event/Deadline | Date |
|---|---|
| Registration Period (Permission Number required) | Wednesday, December 11, 2024 -– Friday, February 7, 2025 |
| HOLIDAY - Campus Closed (No Instruction) - Martin Luther King, Jr. Day | Monday, January 20, 2025 |
| Classes Begin | Tuesday, January 21, 2025 (Saturday classes begin January 25) |
| Last day to drop and receive a refund | Friday, February 7, 2025 |
| Late Registration | Monday, February 10, 2025 – Friday, February 14, 2025 |
| Spring Recess | Monday, March 17, 2025 – Sunday, March 23, 2025 |
| HOLIDAY - Campus Closed (No Instruction) - César Chávez Day | Monday, March 31, 2025 |
| Classes End | Friday, May 9, 2025 |
| Final Examinations (see final exam schedule) | Saturday, May 10, 2025 – Friday, May 16, 2025 |
Summer Session 2025
If you are a current CSUN degree-seeking student, see Enrollment Dates and Instruction.
| Event/Deadline | Session One 12 Weeks (May 27 - Aug 19) |
Session Two 6 Weeks (May 27 - July 8) |
Session Three 6 Weeks (July 9 - Aug 19) |
|---|---|---|---|
|
Registration Period (No appointments necessary.)
|
Tuesday, April 1, 2025 – Monday, May 26, 2025 | Tuesday, April 1, 2025 – Monday, May 26, 2025 | Tuesday, April 1, 2025 – Tuesday, July 8, 2025 |
| HOLIDAY – Campus Closed (No Instruction) – Memorial Day | Monday, May 26, 2025 | Monday, May 26, 2025 | |
| First Day of Classes | Tuesday, May 27, 2025 | Tuesday, May 27, 2025 | Wednesday, July 9, 2025 |
|
Late Registration Period (Self-service registration is available.)
|
Tuesday, May 27, 2025 – Friday, June 6, 2025 | Tuesday, May 27, 2025 – Friday, June 6, 2025 | Monday, July 9, 2025 – Wednesday, July 18, 2025 |
| Last day to receive a refund | Friday, June 6, 2025 | Friday, June 6, 2025 | Friday, July 18, 2025 |
|
Withdrawals will result in a "W" grade being recorded, beginning this day.
|
Saturday, June 7, 2025 | Saturday, June 7, 2025 | Saturday, July 19, 2025 |
| HOLIDAY – Campus Closed (No Instruction) – Juneteenth | Thursday, June 19, 2025 | Thursday, June 19, 2025 | |
| HOLIDAY – Campus Closed (No Instruction) – Independence Day | Friday, July 4, 2025 – Saturday, July 5, 2025 | Friday, July 4, 2025 – Saturday, July 5, 2025 | |
| Last Day of Classes | Tuesday, August 19, 2025 | Tuesday, July 8, 2025 | Tuesday, August 19, 2025 |
| Grades available in the CSUN Portal (updated nightly) | Tuesday, August 19, 2025 | Tuesday, July 15, 2025 | Tuesday, August 19, 2025 |
Fall Semester 2025
| Event/Deadline | Date |
|---|---|
| Registration Period (Permission Number required) | Wednesday, July 2, 2025 - Friday, September 12, 2025 |
| Classes Begin | Monday, August 25, 2025 (Saturday classes begin August 23, 2025) |
| HOLIDAY - Campus Closed (No Instruction) - Labor Day | Saturday, August 30, 2025 - Monday, September 1, 2025 |
| Last day to drop and receive a refund | Friday, September 12, 2025 |
| Late Registration | Monday, September 15, 2025 - Friday, September 19, 2025 |
| HOLIDAY - Campus Closed (No Instruction) - Veteran's Day | Tuesday, November 11, 2025 |
| HOLIDAY - Campus Closed (No Instruction) - Thanksgiving Recess | Thursday, November 27, 2025 - Friday, November 28, 2025 |
| Classes End | Friday, December 12, 2025 |
| Final Examinations (see final exam schedule) | Saturday, December 13, 2025 - Friday, December 19, 2025 |
