Vertex

VER-teks

Definition

The Vertex is a calculated point in the chart, not a physical body. It is where the western side of the ecliptic — the Sun's yearly path — crosses the prime vertical, the great circle that runs straight up overhead through the east and west points of the horizon. The opposite point, on the eastern side of the chart, is the Anti-Vertex. The Vertex depends on the latitude of birth, and it cannot be defined at the equator or the poles.

In Tradition

Modern Western practice — drawing on L. Edward Johndro's 1936 introduction of the point and its mid-century development by Charles Jayne and Edith Wangemann — treats the Vertex as a sensitive point, activated by transit, progression, or synastry contact. Such a contact is usually read as a fated or unexpected encounter, a change of direction, or a relational meeting — the language leans toward "destiny" or "the third party in a relationship," though astrologers vary on how literally to take it.

In Practice

Astrologers find the Vertex with standard ephemeris software; for mid-latitude births it almost always falls between the 5th and 8th houses of the birth chart. Practical use centers on three things: natal aspects to it, especially conjunctions, from the Sun, Moon, angles, or relationship markers; transits and progressions reaching the natal Vertex, often timed to a relationship's beginning or end or to a pivotal encounter; and synastry, where one person's planet conjunct another's Vertex is read as a strong felt sense of mutual recognition. The Vertex needs an accurate birth time and birth latitude, and rectification work uses it as one of several test points when checking an uncertain birth time.

Historical Origin

L. Edward Johndro published the Vertex concept in *The Stars: How and Where They Influence* (1929) and *The Earth in the Heavens* (1929) as a prime-vertical chart point complementing the Ascendant; later twentieth-century work by Charles A. Jayne, Edith Wangemann, and Johndro's circle of students appeared in *American Astrology* magazine and the *Astrological Journal*. There is no classical or medieval precedent before the twentieth century. Johndro's 1929 publications are public domain; the later treatments are still in copyright.

Further Reading

  • L. Edward Johndro, The Earth in the Heavens
  • Robert Hand, Horoscope Symbols