Planetary Joy
Definition
In Hellenistic and medieval Western astrology, each of the seven classical planets has one house — one of a chart's twelve life-areas — where it "rejoices." A planet in its joy has a special affinity with that house, unrelated to the modern scheme of sign rulership. The classical assignments are Mercury in the 1st house, the Moon in the 3rd, Venus in the 5th, Mars in the 6th, the Sun in the 9th, Jupiter in the 11th, and Saturn in the 12th. The medieval Latin name for it is gaudium, "joy" or "delight."
In Tradition
Traditional and revival Western astrologers treat planetary joy as a minor accidental dignity, a small boost on top of the main essential-dignity scheme — Greek astrology already counted it among the kinds of strength a house could lend a planet. A planet in its joy-house expresses its themes more easily. Astrologers agree the doctrine is Hellenistic and reached the West via the Arabic-Latin transmission, but differ on its weight and whether to include it in modern dignity-scoring at all.
In Practice
An astrologer notes which house each planet falls in and checks whether it sits in its joy-house. A planet in joy is read as fitting that house's concerns especially well: the Moon in the 3rd house belongs naturally with journeys and messages, Venus in the 5th with pleasure and children, Saturn in the 12th with hidden labor and sorrow. In the accidental-dignity scoring tables of Lilly and Bonatti, being in joy adds a modest positive weight to a planet's overall standing. The doctrine is used as a fine-tuning layer alongside the standard essential-dignity table, not in place of it.
Historical Origin
The doctrine appears in Hellenistic sources — the joys are set out systematically in Paulus Alexandrinus and reviewed in Brennan's Hellenistic Astrology — and was elaborated in the medieval Arabic-Latin transmission. Bonatti's Liber Astronomiae Vol II Part II Chapter XI cites Albumasar and Alchabitius on each planet's joy-house with reasons given (Saturn rejoices in the 12th, for instance, because it is the house of sorrow). The doctrine survives in Lilly's Christian Astrology and was recovered for modern Western traditional revival by Houlding and Lehman.
Etymology
Origin: Latin. Meaning: From gaudium (joy, delight) — the house where a planet delights in residing.
Further Reading
- Chris Brennan, Hellenistic Astrology: The Study of Fate and Fortune
- Deborah Houlding, The Houses: Temples of the Sky
- Guido Bonatti, Liber Astronomiae