| Event Date |
Event Description |
| 13 April 2026 – 08 May 2026 |
Payment System Opening-Closing for the Early Registration Period |
| 06 May 2026 – 08 May 2026 |
BU Students Preregistration |
| 08 May 2026 |
Closing of the Course Approval System to Students (16:00) |
| 08 May 2026 |
Closing of the Consent Process to the Instructor (18:00) |
| 11 June 2026 – 22 June 2026 |
Payment System for the Registration Period Opens at 10 am and Closes at 16 pm |
| 19 June 2026 – 22 June 2026 |
BU Students On-line Registration Period Opening 14:00 - Closing 23:59 |
| 22 June 2026 |
Closing of the Course Approval System to Students (20:00) |
| 22 June 2026 |
Closing of the Consent Process to the Instructor (22:00) |
| 23 June 2026 |
Last Day Advisors' Approval for BU Students Registration (12:00 pm) |
| 24 June 2026 |
First Day of Classes |
| 29 June 2026 – 03 July 2026 |
Commencement Week |
| 30 June 2026 |
Payment System Opening for Add/Drop Period (10:00 AM) |
| 01 July 2026 – 02 July 2026 |
BU Student Late Registration and Add/Drop Period Opening 10:00 - Closing 23:59 (no refund is possible) |
| 02 July 2026 |
Closing of the Consent Process to the Instructor (22:00) |
| 02 July 2026 |
Closing of the Course Approval System to Students (20:00) |
| 02 July 2026 |
Payment System Closure for Add/Drop Period (4:00 PM) |
| 03 July 2026 |
Late Registration Add-Drop Period for BU Students Advisor Approval Last Day (23:59) |
| 13 July 2026 – 24 July 2026 |
The Petition Submission Period For Refund via BUIS |
| 30 July 2026 – 31 July 2026 |
Withdrawal Period |
| 12 August 2026 |
Last Day of Classes |
| 13 August 2026 – 15 August 2026 |
Final Exams |
| 20 August 2026 |
Online Grade Submission |