Candle Festivals in Thailand associate with Buddhist agenda called Buddhist Lent, also known as Khao Phan-sa in Thai language. Is the time of the year when all Buddhist monks must stay in their temples. It marks the preaching of Buddha's first sermon to his first five disciples over 2500 years ago. That day is known as Asalha Puja. The festival is celebrated with an impressive candle procession and devotees walking around the inside of the temple, three time in an anti-clockwise direction.