Semester International System

The academic year at Chulalongkorn University is divided into two distinct semesters, the First Semester and the Second Semester, each spanning approximately 15 weeks. The semesters are separated by winter and summer breaks, and enrollment in classes is required for both semesters. The summer session is an optional time for students to further their education.

SemesterDurationClasses BeginClasses End
First SemesterAugust – December2nd week of August3rd week of December
Second SemesterJanuary – May2nd week of January3rd week of May
Summer Session (Optional)June – July2nd week of June3rd week of July