UCSB Academic Calendar 2025‑2026: Important Dates

The UCSB Academic Calendar 2025‑2026 is your essential guide to every critical date and deadline from UCSB enrollment and registration windows, tuition payment due dates, and course add/drop periods to campus holidays and final exam schedules.

By consulting the UC Santa Barbara academic calendar, Gauchos can lock in UCSB quarter dates, plan around the UCSB exam schedule, track UCSB registration deadlines, and never miss the last day to withdraw without a “W”, ensuring seamless academic and financial planning at UCSB.

UCSB operates on a quarter system with four main terms:

• Fall Quarter: 10 weeks of instruction + one finals week (late September through mid-December).
• Winter Quarter: 10 weeks of instruction + one finals week (early January through mid-March).
• Spring Quarter: 10 weeks of instruction + one finals week (late March through early June).
• Summer Sessions: multiple formats—Session A (6 weeks), Session C (10 weeks), Session B (6 weeks), plus a series of 3‑week modules, each with its own registration, add/drop, and fee‑payment deadlines.

Keep the UCSB Academic Calendar 2025‑2026 front and center so you can focus on thriving, whether you’re hitting the books in Campbell Hall or soaking up the sun at Goleta Beach.

UCSB Academic Calendar Fall 2025

There are 49 days of instruction in the UCSB Fall Quarter 2025.

1. The Fall 2025 Quarter begins on Sunday, September 21, 2025.
2. Pre-instructional activities take place from Monday, September 22, 2025, to Wednesday, September 24, 2025.
3. UCSB Fall 2025 classes begin on Thursday, September 25, 2025. It is the first day of classes.
4. Veterans Day is observed as a holiday on Tuesday, November 11, 2025.
5. UCSB Thanksgiving holiday is from Thursday, November 27, 2025, to Friday, November 28, 2025.
6. Instruction ends on Friday, December 5, 2025.
7. Finals are held from Saturday, December 6, 2025, to Friday, December 12, 2025.
8. The Fall 2025 quarter ends on Friday, December 12, 2025.
9. UCSB Winter Break is from Saturday, December 13, 2025, to Sunday, January 4, 2026.
10. The UCSB Christmas holidays occur from Wednesday, December 24, 2025, to Thursday, December 25, 2025.
11. New Year’s holidays occur from Wednesday, December 31, 2025, to Thursday, January 1, 2026.

UCSB Academic Calendar Winter 2026

There are 48 days of instruction in Winter Quarter 2026.

1. The quarter begins on Monday, January 5, 2026.
2. UCSB Winter 2026 classes run from Monday, January 5, 2026, to Friday, March 13, 2026.
3. Martin Luther King Jr. Day is observed on Monday, January 19, 2026.
4. Presidents’ Day is observed on Monday, February 16, 2026.
5. Instruction ends on Friday, March 13, 2026.
6. Finals take place from Saturday, March 14, 2026, to Friday, March 20, 2026.
7. The quarter ends on Friday, March 20, 2026.
8. UCSB Spring Break 2026 is from Saturday, March 21, 2026, to Sunday, March 29, 2026.
9. Cesar Chavez Day is observed on Friday, March 27, 2026.

UCSB Academic Calendar Spring 2026

There are 49 days of instruction in Spring Quarter 2026.

1. The quarter begins on Monday, March 30, 2026.
2. UCSB Spring 2026 classes run from Monday, March 30, 2026, to Friday, June 5, 2026.
3. Memorial Day is observed on Monday, May 25, 2026.
4. Instruction ends on Friday, June 5, 2026.
5. Finals take place from Monday, June 8, 2026, to Friday, June 12, 2026.
6. UCSB Spring 2026 Commencement ceremonies occur from Thursday, June 11, 2026, to Sunday, June 14, 2026.
7. The quarter ends on Friday, June 12, 2026.

UCSB Academic Calendar Summer 2026

1. The quarter begins on Monday, June 22, 2026.
2. Juneteenth is observed on Friday, June 19, 2026.
3. Independence Day is observed on Friday, July 3, 2026.
4. Labor Day 2026 is observed on Monday, September 7, 2026.
5. The quarter ends on Saturday, September 12, 2026.

For more on the UCSB Academic Calendar 2025-2026, visit the University of California, Santa Barbara Calendar website.