Sun trine Moon

Aspect · trine · default orb 8°

In the natal chart the Sun signifies the principle of identity and visible authority — what is shown to the world, the part of life that signs its own name. The Moon signifies the principle of need and reception — feeling, instinct, the part of life that receives impressions and seeks comfort. When their longitudes form a harmonious one-hundred-twenty-degree flow across signs of the same element; the configuration runs without resistance, which classical sources warn can also mean it runs without urgency, the chart carries the resulting configuration as a structural feature of its temperament — present in every house and angle that either body touches.

The two lights describe the chart's basic dialogue between identity and need — the will of the day-self and the receptivity of the night-self. Their contact is the most often re-staged scene in any nativity.

The trine runs without resistance. Same-element signs allow Sun and Moon to flow into one another's expressions naturally. The classical caution: a trine that is never tested may also never be developed. The contact is a gift the chart can spend or, just as easily, leave on the shelf.

The configuration is in orb when the angular separation between Sun and Moon falls within 8° of an exact trine (Lilly's classical orb; Netra's Aspects view defaults match this and can be tightened in the chart preferences).