Mansions of the Moon

The Moon passes through 28 mansions as it circles the ecliptic — each governed by an angel, each carrying distinct magical influences. This system of celestial magic is older than the tropical zodiac itself, transmitted from Arabic astrologers through Agrippa's Three Books of Occult Philosophy to Barrett's Magus, and onward into the Golden Dawn tradition and modern ceremonial practice. Mansions of the Moon calculates the Moon's precise ecliptic longitude using the astronomical algorithms of Jean Meeus and tells you which mansion it currently occupies, which angel governs it, and what influences are in play — tonight and every night. The 28 mansions divide the ecliptic into equal arcs of 12°51', starting from 0° Aries. As the Moon completes its sidereal month, it passes through each mansion in turn. Each station has its own ruling angel, its own traditional effects drawn from Barrett's…