Uttaryan, also known as Makar Sankranti, is a popular Hindu festival celebrated primarily in India, marking the transition of the sun into the zodiac sign of Capricorn (Makara). It typically falls around January 14 each year and signifies the end of winter and the beginning of longer days. The festival is characterized by kite flying, feasting on traditional sweets made from sesame and jaggery, and various cultural events. It symbolizes the harvest season and is a time for family gatherings and festivities.