King Mongkut devoted his spare time to study of astronomy and was able to predict the accurrence of the total solar eclipse, at Wa Kor sub-district in Prachuap Khiri Khan province on August 18, 1868 over a century ago-so well as if he were equipped with modern scientific equipment.
In 1982, the Bangkok Bicentennial Anniversary Year, the Thai Government designated him the “ Father of Science of Thailand ” . The Thai Scientists are all grateful to him for his pioneering spirit in introducing modern science to national development. Therefore, they all reached a consensus to make August 18 of every year the “Thai National Science Day”.
In Korat, Suranaree University of Technology (SUT) organised Korat Science Week 2009 during 18-19 August 2009. Many people, students were invited to join the event. At Surapat II Building, students from many schools all over Northeastern region (Issan) presented their sciences projects.