Vesākha (Pali; Sanskrit: Vaiśākha), also known as Buddha Purnima and Buddha Day, is a holiday observed traditionally by Buddhists on different days in India, Sri Lanka, China, Japan, South Korea, Taiwan, Nepal, Tibet, Bangladesh, Bhutan, Indonesia, Singapore, Vietnam, Thailand, Cambodia, Laos, Malaysia and Myanmar and in other places all over the world. Sometimes informally called “Buddha’s Birthday”, it commemorates the birth, enlightenment (Buddhahood), and death (Parinirvāna) of Gautama Buddha in the Theravada or southern tradition.