Vesak (Pali: Vesākha, Sanskrit: Vaiśākha), also known as Buddha Jayanti, Buddha Purnima and Buddha Day, is a holiday traditionally observed by Buddhists and some Hindus in South and Southeast Asia as well as Tibet and Mongolia. The festival commemorates the birth, enlightenment (Buddhahood), and death (Parinirvāna) of Gautama Buddha in Theravada and Tibetan Buddhism. In 2020, Vesak day falls on 7 May in India
In the East Asian tradition, a celebration of Buddha’s Birthday typically occurs around the traditional timing of Vesak. The Buddha’s awakening and death are celebrated as separate holidays that occur at other times in the calendar as Bodhi Day and Nirvana Day.
Source by Wikipedia