The academic calendar for the University of California system generally follows a quarter system, dividing the academic year into three main quarters: fall, winter, and spring. Fall quarter typically begins in late September and runs through mid-December. Winter quarter usually starts in early January and concludes in mid-March. Spring quarter generally begins in late March and culminates in early June.
Each campus within the University of California system may have slight variations in specific start and end dates, including periods for final exams and holidays. In addition, there may be summer sessions available at various campuses, allowing students to take courses during the summer months. Prospective students or those seeking detailed and updated information about academic terms should refer to the specific campus's official website for the most accurate calendar dates and additional academic policies.