The microcosms is the humankind, the macrocosms is the universe. Every year, information concerning the position of celestial bodies is made available in the Hindu almanac, Panchangam. Astrologers and astronomers make their contribution. By studying it, one can calculate and fix auspicious days for important events. It is also used for making the horoscope of every Hindu child, studding the constellation under which the kid is born and which of the planets will have a special influence on the course of her or his life. Each planet has a correspondence with a deity, and the deity has in turn a correspondence with a gemstone.