Yale University 2025-26 Calendar. The yale college calendar provides critical information regarding activities and holidays during the academic year. You can earn undergraduate degrees at yale college, master’s or doctoral degrees at the graduate.

Each semester comprises 13 weeks of instruction. *due to closure of the university on monday, january 10, tuesday, january 11, and wednesday, january 12, and delayed opening until 11 am on thursday, january 13, each.