What is horoscope? It is an astrological chart which is calculated with the relevance of date, time and birth place of a person. This chart can also be calculated for an event, a question, countries, and occasions. Various symbols are used which represent planets, signs and geometric connections; these symbols are known as aspects. more simply, a horoscope is a placement of planets and stars during the birth of any individual. This varies from person to person due to the continuous transition of planets. Horoscope is the first step to make astrological calculations and require a correct date, time and place of birth of the person in question. When an expert is making a horoscope, certain astronomical data is required as this data provide the exact positions of the planets on their respective orbit of movement during the date and time of birth of an individual. From the place of birth, an astrologer can predict the geographical dimensions and their differences from the celestial dimensions.