Lahiri Regiomontanus Birth Chart Calculator

This calculator uses Lahiri sidereal zodiac system and Regiomontanus house system.

The Lahiri ayanamsa is the official sidereal zodiac system of India and is widely used in Vedic astrology. It measures the precession of the equinoxes from a fixed point in the constellations, currently placing the vernal point at approximately 24° behind the tropical zodiac.

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.