Loi Krathong takes place on the evening of the full moon of the 12th month in the traditional Thai lunar calendar. In the western calendar this usually falls in November.
Loi means 'to float', while krathong refers to the (usually) lotus-shaped container which floats on the water. Krathong has no other meaning in Thai besides decorative floats, so Loi Krathong is very hard to translate, requiring a word describing what a Krathong looks like such as Floating Crown, Floating Boat, Floating Decoration. The traditional krathong are made from a slice of the trunk of a banana tree or a spider lily plant. Modern krathongs are more often made of bread or styrofoam. A bread krathong will disintegrate