New Delhi, April 13 -- Indian states celebrate a vibrant tapestry of harvest festivals and regional New Year's in April as the sun enters the zodiac sign of Aries, Mesha Sankranti, ranging from Poila Boisakh in the East to Vishu in the South.

In 2026, Mesha Sankranti, the transition of the Sun into Aries, occurs on Tuesday, April 14. This marks the start of several regional calendars.

However, because these harvest and new year festivals are governed by solar and lunisolar calendars, the exact date often fluctuates between April 14 and April 15 based on local sunrise and tithi (lunar day) calculations.

Puthandu, the Tamil New Year, falls on the first day of the month Chithirai. In 2026, the Sankranti is expected to occur on the morning...