The Songkran festival (, , listen]  is celebrated in Thailand as the traditional New Year's Day from 13 to 15 April. The word "Songkran" comes from the Sanskrit word (Devanāgarī: संक्रांति), literally "astrological passage", meaning transformation or change. It coincides with the rising of Aries on the astrological chart, the New Year of many calendars of South and Southeast Asia. The festive occasion is in keeping with the Buddhist/Hindu solar calendar.