Hae Phra Khiao Kaeo Wat Phra Phutthabat Shrine or Celebrations of Lord Buddha's Tooth. Buddhists believe that Phra Khiao Kaeo is the tooth of Lord Buddha. The festival is held on the first day of the waxing moon in the fourth month of the lunar calendar. The people of Amphoe Phra Phutthabat will present the tooth that is to be taken from Wat Phra Phutthabat Ratchaworamahawihan Museum and bear it in a procession around the town. They believe that if the procession is held, they will live in wealth and happiness.