Acedemic Calendar
Academic Calendar 2025–2026
Official academic dates for the 2025–2026 academic year, including holidays, registration deadlines, instruction periods, add/drop deadlines, and quarter end dates.
National Holidays
| Holiday | 2025 | 2026 |
|---|---|---|
| New Year’s Day | January 1, Wed | January 1, Thur |
| Memorial Day | May 26, Mon | May 25, Mon |
| Independence Day | July 4, Fri | July 4, Sat (July 3 Observed, Fri) |
| Labor Day | September 1, Mon | September 7, Mon |
| Columbus Day | October 13, Mon | October 12, Mon |
| Veterans’ Day | November 11, Tue | November 11, Thur |
| Thanksgiving Recess | November 27, Thur | November 26, Thur |
| Christmas | December 25, Thur | December 25, Fri |
Academic Schedule by Quarter
| Quarter | Academic Event | 2025 | 2026 |
|---|---|---|---|
| Winter Quarter | Registration Deadline | December 31, 2024 | December 26, 2025 |
| Instruction Begins | January 6 | January 5 | |
| Add & Drop Deadline | January 18 | January 17 | |
| Quarter Ends | March 15 | March 14 | |
| Spring Quarter | Registration Deadline | March 22 | March 21 |
| Instruction Begins | March 31 | March 30 | |
| Add & Drop Deadline | April 12 | April 11 | |
| Quarter Ends | June 14 | June 13 | |
| Summer Quarter | Registration Deadline | June 21 | June 20 |
| Instruction Begins | June 30 | June 29 | |
| Add & Drop Deadline | July 12 | July 11 | |
| Quarter Ends | September 13 | September 12 | |
| Fall Quarter | Registration Deadline | September 20 | September 19 |
| Instruction Begins | September 29 | September 28 | |
| Add & Drop Deadline | October 11 | October 10 | |
| Quarter Ends | December 13 | December 12 |
Contact us
3 Corporate Park #130 Irvine, CA 92606