The day on which the sun begins its journey northwards is referred to as Makar Sankranti. Sankramana means "to commence movement". Hence, the name Makar Sankranti is given to one of the largest, most auspicious, but varied festivals in the Indian subcontinent. It usually falls in the middle of January. Due to the geography and size of India, this festival is celebrated for innumerable reasons depending on the climate, agricultural environment, cultural background and location.