Karkyadi is the First Point of Cancer and the beginning of Dakshinayana, the Southern course of the Sun, his declination South. Makaradi is the First Point of Capricorn and the beginning of Uttarayana, the Northern course of the Sun , his declination North. At Meshadi, the Sun’s declination is 0 degrees and Right Ascension is 0 degrees. At Karkyadi, the Sun’s declination is +23 degrees 27 minutes and Right Ascension is 90 degrees. At Thuladi, the Sun’s declination is 0 degrees and Right Ascension is 180 degrees. At Makaradi, the Sun’s declination is -23 degrees 27 minutes and Right Ascension is 270 degrees.