On the evening of Magha full-moon day, each temple in Thailand holds a candlelight procession called a wian thian (wian meaning to circle around; thian meaning candle). Holding flowers, incense and a lighted candle, the monks and congregation members circumambulate clockwise three times around the phra ubosot (ordination hall), once for each of the Three Jewels: the Buddha, the Dharma, and the Sangha.
tham bun: Making merit by going to temples for special observances and join in the other Buddhist activities.
rap sin': Keeping the Five Precepts. Practice of renunciation: Observe the Eight Precepts, practice of meditation and mental discipline, stay in the temple, wearing white robes, for a number of days.