Birth chart Your birth chart is a drawing in the form of a circle. Within the circle you will find the 12 signs of the Zodiac, the 12 Houses, the planets and other heavenly bodies such as the Sun and the Moon as well as important points such as the Nodes of the Moon. Your birth chart is a precise representation of the position of the signs, houses, planets and other heavenly bodies at the moment of your birth. Astrologers can glean an enormous amount of information from your birth chart.