This is a list of holidays celebrated within the Buddhist tradition. List Vesak: The Buddha's birthday is known as Vesak and is one of the major festivals of the year. It is celebrated on the first full moon day in May, or the fourth lunar month which usually occurs in May or during a lunar leap year, June. In some countries this has become an occasion to not only celebrate the birth but also the enlightenment and parinirvana of the Buddha. Parinirvana Day: also known as Nirvana Day, a Mahayana Buddhist holiday celebrated in East Asia, Vietnam and the Philippines usually on February 15. Magha Puja: Magha Pujwronga is an important religious festival celebrated by Buddhists in Thailand, Cambodia, Sri Lanka and Laos on the full moon day of the third lunar month (this usually falls in February or March) Buddha Jayanti: In South Korea, the Philippines, and China, it is celebrated in April 8 in Lunar calendar. Also known as "Hanamatsuri", it is celebrated April 8. In Japan, baby Buddha figurines are ceremonially washed with tea. Asalha Puja Day: Also known as "Dharma Day" celebrates the Buddha's first teaching on the full moon day of the 8th lunar month, approximately July. Uposatha: This day is known as observance day, there are four holy days on the new moon, full moon, and quarter moon days every month. Kathina Ceremony: This robe offering ceremony, is held on any date within the end of the Vassa Retreat. New robes and other requisites can be offered by the laity to the monks. Abhidhamma Day: According to Burmese tradition, this day celebrates when the Buddha went to the Tushita Heaven to teach his mother the Abhidhamma. It is celebrated on the full moon of the seventh month the Burmese lunar year which starts in April. Loy Krathong: When the rivers and canals are full of water, this festival takes place in all parts of Thailand on the full moon night of the twelfth lunar month. Bowls made with leaves, candles, and incense sticks, are in the water, and represent bad luck disappearing. Madhu Purnima: It occurs on the day of the full moon in Bhadro (August/September). The day commemorates an occasion on which the Buddha retreated to the wilderness of Parileyya forest to bring peace between two quarrelling factions of disciples. The Ploughing Festival: During the half moon in May, two oxen pull a