Songkran is a term derived from the Sanskrit saṅkrānti (or, more specifically, meṣa saṅkrānti). It may refer to the traditional New Year celebrated in several Southeast Asian countries when the sun transits the constellation of Aries, the first astrological sign in the Zodiac, as reckoned by sidereal astrology:
Cambodian New Year
Lao New Year
Sinhalese New Year, in Sri Lanka
Songkran (Thailand)
Thingyan, in Myanmar
Similar New Year days:
Eostre festival days, as given by Bede
Lady Day, in olde England
Nowruz, in modern Iran and neighboring countries
Vernal Equinox Day, in modern Japan
Songkran can also refer to the traditional New Year celebrated by the Dai people of Yunnan, China, and by the Tai Dam people of Northern Vietnam. Easter weekend occasionally coincides with Songkran (in Thailand, most recently in 1979, 1990, and 2001, but not again until 2085.[1])
^ Ronald M. Mallen (April 2002). "Easter Dating Method". Astronomical Society of South Australia. Archived from the original on 20 March 2012. Retrieved 20 March 2012. "List of Easter Sunday Dates 2000-2099