The sidereal basis of the Hindu Zodiac brings to relative significance, the importance the great Rishies have assigned to Suns, apart from ours, while being aware that our immediateoverlord is our own magnificent Sun. They were far more aware than the modern astronomers about the shifting character of the Vernal Equinoctial Point and furthur calculations that were deducible therefrom.
While Western Astrology is solar and tropical, based on the Tropical Zodiac, the Indian is sidereal. The word sidereal derives from the Latin sidereus, meaning the constellation of fixed stars, from 0 degree Aswini to the 360th degree of Revathi