Based on the position of the planet and the time of birth the astrological science is built. It is considered that according to the planets the personality of the person and the future of the person can be predicted. In several places the influence of astrological science can be perceived. Basically the Indian and the Chinese are prominently following it. In India basically, a horoscope is constructed based on the movement of the planets at the time of birth. The birth chart is prepared first then the study is made to conceive what it says. The person who makes the study is called an astrologer. After studying the chart thoroughly he makes the predictions about the person and his characters.