Official Academic Calendar & Milestones
Stay organized with key semester milestones, examination periods, enrollment deadlines, and university holidays.
First Semester 2026 (August – December)
Official schedule approved by the Chulalongkorn University Academic Senate:
Online Course Registration (Round 1)
General enrollment window for undergraduate students on Reg Chula portal.
First Day of Semester 1 Classes
Instruction begins across all undergraduate courses at Faculty of Science.
Course Add / Drop Period (Without 'W')
Last window to add or change course sections without penalty or notation on academic transcript.
Midterm Examination Period
Midterm examinations conducted for lecture courses. No regular classes held during this week.
Course Withdrawal Deadline (With 'W')
Final date to withdraw from enrolled courses with a 'W' grade recording.
Last Day of Classes & Final Examinations
Last day of formal lectures followed by two weeks of comprehensive final exams.
Second Semester 2027 (January – May)
Schedule for the second academic semester:
First Day of Semester 2 Classes
Commencement of lectures and research studios for the Spring term.
Midterm Examination Period
Midterm evaluations and capstone mid-semester prototype reviews.
Final Examinations & End of Term
Concluding examination period and senior project exhibitions.
Download Official University Calendar
Access full downloadable PDF calendars and announcements from the Office of the Registrar.