To start the official rice planting season in the second week of May.
วันฉัตรมงคล
วันวิสาขบูชา
วันสงกรานต์
วันเข้าพรรษา
Held on the full moon of the third lunar month to commemorate the preaching of the Buddha to 1250 enlightened monks who came to hear him without prior summons.