"The largest gathering for Makar Sankranti is on Sager Island in West Bengal at the point the Hooghly River, a branch of the Ganges as it spreads out approaching the Indian Ocean and meets the Bay of Bengal. Each January, several hundred thousand pilgrims gather on the island for the beginning of spring. Makar Sankranti occurs in the middle of the lengthy"
January 1, 1970
https://en.wikiquote.org/wiki/Makar_Sankranti