Calendar
Session 1 and Session 10 Week will begin on Monday, June 22nd, 2026.
2026 Session Dates
Session 1: Jun 22 – Jul 29
10-Week: Jun 22 – Aug 28
Session 2: Aug 3 – Sept 9
Helpful Info
| Deadlines & Dates for 2026 | Session I | 10 Week | Session II |
|---|---|---|---|
| Program Dates | Jun 22-Jul 29 | Jun 22-Aug 28 | Aug 3-Sep 9 |
| Registration begins | Mar 1 | Mar 1 | Mar 1 |
| Last day to enroll without a $50 late fee | Jun 18 | Jun 18 | Jul 31 |
| First day of instruction | Jun 22 | Jun 22 | Aug 3 |
| Last day to add without approval* (instructor’s signature approval required after this date)** |
Jun 26 | Jul 2 | Aug 7 |
| Holiday | Jul 3 | Jul 3 | Sep 7 |
| Last day to enroll without a $100 late fee | Jul 2 | Jul 2 | Aug 14 |
| Last day to apply for a refund of course fees-No refunds after | Jul 2 | Jul 17 | Aug 14 |
| Absolute deadline to add or drop courses* (adds require instructor’s signature approval)** |
Jul 10 | Jul 31 | Aug 21 |
| Absolute deadline to change a grade option | Jul 27 | Aug 27 | Sep 4 |
| Final Exams | Jul 28, Jul 29 | Aug 28 | Sep 8, 9 |
| Official Transcript Grades Available | Aug 7 | Sep 9 | Sep 17 |
*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
