Porphyrius Black Moon Lilith Birth Chart Calculator

This calculator uses Porphyrius house system and Black Moon Lilith.

The Porphyrius house system, named after the 3rd-century philosopher Porphyry, is a quadrant system that divides the space between the angles (Ascendant, IC, Descendant, MC) into three equal parts. It is one of the oldest house systems still in use today.

Black Moon Lilith represents the lunar apogee - the point in the Moon's orbit farthest from Earth. In astrology, Lilith symbolizes the wild, untamed feminine, sexual power, and shadow aspects of the psyche. This calculator displays Lilith alongside the traditional planets.

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