In Tamil Nadu, Kaanum Pongal is celebrated on the fourth and final day of the Pongal festival.
It is celebrated by south Indians during the Hindu Harvest festival.
This is dedicated to the Hindu sun god, the Surya, and it corresponds to Makar Sankranti, the festival of harvests celebrated in India under many regional names.
The first day of Pongal is called Bhogi Pongal.
The second day of Pongal is called Surya Pongal.
The third day of Pongal is called Mattu Pongal.