South and Southeast Asian solar New Year

In many countries of South Asia and South East Asia, the traditional new year is calculated on the sun's entry into the constellation Aries as per the regional Hindu calendars or Buddhist calendars. This event is known by a variety of names in different nations, including Sankranti and Vaisakhi in India, Pohela Boishakh in Bangladesh and India, Aluth Avurudda in Sri Lanka, Puthandu in India and Sri Lanka, Thingyan in Myanmar, Moha Sangkran in Cambodia, Songkran in Thailand, and Pi Mai in Laos.

Source: Wikipedia — South and Southeast Asian solar New Year (CC BY-SA 4.0)