Astrology is the science that links between the movement of solar system objects (planets, moon and sun) with human fate. Because all the planets, the sun and moon circulated ekliptik along the circle, they all also automatically circulate among the zodiac. Ramaalan astrology is based on the position of objects in the solar zodiac.
Someone will carry signs zodiaknya based position in the zodiac of the sun on the date of his birth. For example, people who were born early December will berzodiak Sagittarius, because on that date the Sun was in Sagittarius constellation region. The position of the Sun itself distinguish between tropical and causing sideral time there are two kinds of the zodiac, the tropical zodiac and the zodiac sideral. Most Western astrologer using the tropical zodiac.