The lottery is drawn on the first and the sixteenth of every month. It is one of only two forms of legalised gambling permitted in Thailand, the other being The lottery is drawn on the first and the sixteenth of every month. It is one of only two forms of legalised gambling permitted in Thailand, the other being การแข่งม้า ที่สนามม้าราชกรีฑาสโมสรใน