It reveals the precise location of each of the planets and which constellation they occupied as you entered the world.
Though astrology is a vast, complex, and highly specialized study, the core principles are straightforward: A birth chart is a snapshot of the sky at the moment of your birth (you can calculate yours here). It reveals the precise location of each of the planets and which constellation they occupied as you entered the world. In some birth charts, all the planets are in the same constellation; in others, they're spread widely across the sky. The distance between these planets is important since each has its own celestial function. Let's take a look at each significant entity in the sky.