One of Thailand’s most popular and most visually stunning annual festivals, Loi Krathong is celebrated during the full moon of the 12th month of the Thai lunar calendar. This year the festival is on Tuesday, 8 November, with celebrations taking place at various destinations throughout the kingdom.
TAT holds ‘Amazing Night Light of Loi Krathong’ this 6-8 November: see this link https://www.pattayamail.com/thailandnews/amazing-night-light-of-loi-krathong-celebration-in-bangkoks-riverside-santi-chai-prakan-public-park-415423