Vap Poya The Month of Robes Tourslanka Have a Blessed Vap Poya Day!, This day represents Lord Buddhas descent from Tusitha Heavenly Realm after preaching "Abhidhamma", the highest teaching of Dhamma to his mother and other deities. , Vap Full Moon Poya Day: A Day of Spiritual Significance by Kalani eLanka Vap Poya commemorates many religious events including the appointing of Sariputta Maha Thera as the Chief Disciple of the Buddha, the future Buddha to be Maitriya Bodhisattva's entering the Bhikkusasana, King