2025–2026

Academic Calendar: 2025–2026

Summer Sessions 2025

Start and End Dates	Session
Tuesday, May 27 – Thursday, July 3, 2025* ** (6 Weeks)	Summer Session I (J)
Monday, June 23 - Friday, Aug. 1, 2025** (6 Weeks)	Summer Session II (K)
Monday, July 7 - 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 ** Friday, July 4, 2025 - Independence Day holiday observed

Fall Semester 2025

Date	Event
Monday, Aug. 25, 2025	Classes Begin
Monday, Sept. 1, 2025	Labor Day Observed
Wednesday, Nov. 26 - Saturday, Nov. 29, 2025	Fall Recess
Monday, Dec. 1, 2025	Classes Resume
Friday, Dec. 5, 2025	Last Day of Classes
Saturday, Dec. 6 - Sunday, Dec. 7, 2025	Reading Days
Monday, Dec. 8 - Monday, Dec. 15, 2025	Semester Final Examinations
Tuesday, Dec. 16, 2025	Winter Recess Begins

Winter Session 2026

Date	Event
Monday, Jan. 5, 2026	Classes Begin
Monday, Jan. 19, 2026	Martin Luther King, Jr. Day Observed
Tuesday, Jan. 23, 2026	Last Day of Classes

Spring Semester 2026

Date	Event
Monday, Jan. 26, 2026	Classes Begin
Monday, March 16 - Saturday, March 21, 2026	Spring Recess
Monday, March 23, 2026	Classes Resume
Friday, May 8, 2026	Last Day of Classes
Saturday, May 9 - Sunday, May 10, 2026	Reading Days
Monday, May 11 - Saturday, May 16, 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.