Thai lunar calendar
The Thai lunar calendar (Thai: ปฏิทินจันทรคติ, RTGS: patithin chanthrakhati, pronounced [pà.tì.tʰīn t͡ɕān.tʰrá(ʔ).kʰā.tìʔ], literally, Specific days according to lunar norms), or Tai calendar, is a lunisolar Buddhist calendar. It is used for calculating lunar-regulated holy days.