Placidus Geocentric Birth Chart Calculator

This calculator uses Placidus house system and geocentric coordinate system.

The Placidus house system is the most widely used house system in Western astrology. It divides the ecliptic based on time rather than space, creating houses of unequal size that reflect the natural rhythm of the Earth's rotation. This system is particularly effective for psychological and character analysis.

The geocentric system calculates planetary positions from the center of the Earth, which is the traditional and most widely used approach in Western astrology. This perspective shows the celestial bodies as they appear from Earth's center, providing the standard astrological view used by the vast majority of astrologers.

For more features including saving charts, transit charts, synastry charts, and more settings please use True Sky online astrology software.