Composite Sun

Definition

The composite Sun is the Sun of a composite chart — the point on the zodiac exactly halfway between the two partners' birth Suns. The midpoint is taken the shorter way round the wheel: software handles the convention, so two birth Suns at, say, 5° Pisces and 5° Virgo give a composite Sun at 5° Gemini (or 5° Sagittarius) along the nearer 90° arc rather than the longer 270° one. The composite Sun is one of the founding positions of any composite chart and anchors its reading of who the relationship is.

In Tradition

In modern Western composite-chart work, the composite Sun is treated as the organising heart of the relationship-as-entity — the partnership's core identity and purpose. Hand's Planets in Composite (1976) sets the convention: read the composite Sun by sign for the relationship's style of self-expression, by house for its main area of activity, and by its aspects to the other composite planets for the texture of that expression.

In Practice

When reading a composite chart, you look at the composite Sun first, before the composite Moon or Ascendant. Its sign describes the relationship's characteristic way of being — a composite Sun in Capricorn read as building and structuring, in Gemini as communicative and varied. Its house locates the partnership's main area of life. Tight aspects within the composite chart shape the reading: flowing aspects from Jupiter or Venus read as an expansive shared optimism, hard aspects from Saturn as a partnership carrying real obligation, and contacts from the outer planets as generational themes woven into the bond.

Historical Origin

The composite Sun, like the composite chart as a whole, is a 20th-century Western development. Holden's A History of Horoscopic Astrology records Robert Hand's Planets in Composite (Para Research, 1976) as the standard handbook for the technique, on which later practice rests. The midpoint convention itself runs through Reinhold Ebertin's mid-20th-century cosmobiology, but reading the midpoint positions as the relationship itself is the contribution made after 1976.

Etymology

Origin: Latin. Meaning: From compositus (put together) + sol (sun) — the combined solar identity.

Further Reading

• Robert Hand, Planets in Composite
• Liz Greene, Relating: An Astrological Guide to Living with Others on a Small Planet
• James H. Holden, A History of Horoscopic Astrology