On 13 October 2026, Navamindra Maharaj Day, Arthit Ourairat Institution joins the people of Thailand in remembrance of His Majesty King Bhumibol Adulyadej the Great.

We reflect with deep respect and gratitude on His Majesty’s lifelong dedication and boundless contributions to the people of Thailand.

With the utmost respect and honour, Arthit Ourairat Institution (AOI)