Loy Krathong Day is one of the most popular festivals of thailand celebrated annually on the Full-moon day of the twelfth lunar Month. it takes place at a tiam when , the weather is fine as the rainy season is over and there is a high water level all the country.
the ceremony is believed to have originated in the time of king ramkkhamhaeng of Sukhothai, the first capital of thailand, and to have been started by nang nophamas or tao sri chulalak, the brahman consort of the king.