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Contact

Phone: 716-645-5698
M-TH: 8:30 a.m.-4:30 p.m.
F: 10 a.m.-4:30 p.m.

Contact us online.

Fax: 716-645-7762

Walk-in Assistance at 1Capen, North Campus.

2025-26

Academic Calendar: 2025-26

Summer Sessions 2025
Start and End Dates Session
Tuesday, May 27 – Monday, July 7, 2025 ** ***
(6 Weeks)
Summer Session I (J)
Monday, June 23 - Friday, Aug. 1, 2025 ***
(6 Weeks)
Summer Session II (K)
Tuesday, July 8 - Friday, Aug. 15, 2025
(6 Weeks)
Summer Session III (M)
Tuesday, May 27 - Friday, July 25, 2025 ** ***
(9 Weeks)
9 Week Sessions (L)
Tuesday, May 27 - Friday, Aug. 1, 2025 ** ***
(10 Weeks)
10 Week Sessions (A)
Tuesday, May 27 - Friday, Aug. 15, 2025 ** ***
(12 Weeks)
12 Week Sessions (I)
Dates Vary Session X (Non-Standard)

* Monday, May 26, 2025 - Memorial Day holiday observed.
** Thursday, June 19, 2025 - Juneteenth holiday observed.
*** Friday, July 4, 2025 - Independence Day holiday observed.

Fall Semester 2025
Date(s) Event
Monday, Aug. 25, 2025 Classes Begin
Monday, Sept. 1, 2025 Labor Day Observed
Monday, Oct. 13 - Tuesday, Oct. 14, 2025 Fall Break
Wednesday, Oct. 15, 2025 Classes Resume
Wednesday, Nov. 26 - Saturday, Nov. 29, 2025 Thanksgiving Break
Monday, Dec. 1, 2025 Classes Resume
Monday, Dec. 8, 2025 Last Day of Classes
Tuesday, Dec. 9, 2025 Reading Day
Wednesday, Dec. 10 - Wednesday, Dec. 17, 2025 Semester Final Examinations
Tuesday, Dec. 18, 2025 Winter Recess Begins
Winter Session 2026
Start and End Dates Session
Friday Dec. 26, 2025 – Friday January 16, 2026 * 3 week (15 day) session
Monday, Dec. 29, 2025 - Friday, Jan.16, 2026 * 14-day session
Monday, Jan. 5 – Friday Jan. 16, 2026 * 2 week (10 day) session

* Thursday, Jan. 1, 2026: New Year’s Day observed.

Spring Semester 2026
Date(s) Event
Wednesday Jan. 21, 2026 Classes Begin
Monday, March 16 - Saturday, March 21, 2026 Spring Recess
Monday, March 23, 2026 Classes Resume
Tuesday, May 5, 2026 Last Day of Classes
Wednesday, May 6, 2026 Reading Day
Thursday May 7 – Thursday May 14, 2026 Semester Final Examinations
Friday, May 15 - Sunday, May 17, 2026 Commencement Weekend

The University at Buffalo academic calendar is set by the Faculty Senate and University President, and dates may change at their discretion.

Last updated: December 15, 2023 12:42 pm EST