A horoscope is a map representing the sky with respect to a place at given time. Horoscope may be drawn in square or circular diagram with twelve segments. It contains symbols or abbreviations of sun, moon, planets and points in 12 zodiacal signs and 12 houses. In astrological literature, horoscope is also called chart, wheel, zaicha or kundali. There are many types of horoscope or chart, for instance, natal or birth chart, annual chart, monthly chart, country’s national chart, swearing-in chart, pet chart, wedding chart, question or horary chart.