Jan 20, 2025 15 min read
The Only Birth Chart Guide You Need: Understanding Your Big Three
Discover your complete birth chart FREE. Modern astrology uses precise astronomical data, often based on the [Swiss Ephemeris](https://www.astro.com/swisseph/swephinfo_e.htm), to calculate these positions with high accuracy. For more information on planetary movements, you can explore [NASA Solar System](https://solarsystem.nasa.gov). Learn your Sun, Moon & Rising signs (Big Three). Beginner-friendly calculator + in-depth personality analysis.
#birth chart calculator #natal chart #big three astrology
Elena Foster