Regiomontanus Birth Chart Calculator

This calculator uses the Regiomontanus house system.

The Regiomontanus house system, named after 15th-century astronomer Johannes Müller (Regiomontanus), is a space-based quadrant system. It is popular among Renaissance and traditional astrologers and is known for its mathematical elegance.

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