Calendar
Session 1 and Session 10 Week will begin on Monday, June 23rd, 2025.
2025 Session Dates
Session 1: Jun 23 – Jul 30
10-Week: Jun 23 – Aug 29
Session 2: Aug 4 – Sept 10
Helpful Info
| Deadlines & Dates for 2025 | Session I | 10 Week | Session II |
|---|---|---|---|
| Program Dates | Jun 23-Jul 30 | Jun 23-Aug 29 | Aug 4-Sep 10 |
| Registration begins | Mar 1 | Mar 1 | Mar 1 |
| Last day to enroll without a $50 late fee | Jun 20 | Jun 20 | Aug 1 |
| First day of instruction | Jun 23 | Jun 23 | Aug 4 |
| Last day to add without approval* (instructor’s signature approval required after this date)** |
Jun 27 | Jul 3 | Aug 8 |
| Holiday | Jul 4 | Jul 4 | Sep 1 |
| Last day to enroll without a $100 late fee | Jul 3 | Jul 3 | Aug 15 |
| Last day to apply for a refund of course fees-No refunds after | Jul 3 | Jul 18 | Aug 15 |
| Absolute deadline to add or drop courses* (adds require instructor’s signature approval)** |
Jul 11 | Aug 1 | Aug 22 |
| Absolute deadline to change a grade option | Jul 28 | Aug 28 | Sep 8 |
| Final Exams | Jul 29, Jul 30 | Aug 29 | Sep 9, 10 |
| Official Transcript Grades Available | Aug 8 | Sep 10 | Sep 18 |
*Some courses require departmental approval to drop.
**Biological Sciences, Chemistry, Math, Physics, and Writing require departmental approval instead of instructor signature approval.
Contact Info
Summer Session
Student Services
University of California, Irvine
P.O. Box 5982
Irvine, CA 949-824-5493
P.O. Box 5982
Irvine, CA 949-824-5493