Reference · Astrology
What is a yod?
Kevin Blaxton — software builder; astrology student for 40+ years · figures computed by the OrbHeaven engine
Published · Last revised
A yod, sometimes called the “Finger of God”, is two planets a sextile apart that both make a quincunx — 150° — to a third planet, the apex. It draws a long, narrow triangle pointing at the apex, and the tradition reads that apex as a pointed, awkward calling. Whether the yod means anything is itself disputed.
What is a yod?
Geometrically it is three points at 0°, 60° and 210° — two planets a sextile (60°) apart, each a quincunx (150°) from a third. It is one sextile and two quincunxes, drawing a narrow triangle with the apex at the far point. The figure shows the shape and names its aspects, from the engine.
Which configurations qualify
The sextile and both quincunxes must hold within orb — and because OrbHeaven gives the quincunx only a 2.5° orb (3.5° with the Sun or Moon), the tightest it allows, real yods are uncommon and demand close angles. A worked example: Venus at 8° Taurus sextile Mercury at 8° Cancer, both quincunx Saturn at 8° Sagittarius — the apex. Without both quincunxes in that tight orb, there is a sextile but no yod.
What it is read as
Interpretation, labelled as such: the yod is read as a pointed, fated-feeling pull toward the apex planet — an awkward fit that asks for constant adjustment and is grown into over a lifetime. The apex is treated as a focus of special, if uneasy, significance.
Where this is disputed
The yod is genuinely contested. It is built on the quincunx, itself a disputed minor aspect, and many astrologers doubt that the figure carries any special meaning beyond its parts — or reject it entirely. The dramatic name “Finger of God” is modern. OrbHeaven describes the geometry and flags the dispute rather than endorsing the claim.
A short history
The yod depends on the quincunx (150°), which is not one of Ptolemy’s aspects — in antiquity 150° was “inconjunct”, a non-relation. Counting the quincunx as active is a later, mostly modern development, and the yod as a named figure is a twentieth-century addition to astrology, which is why its status remains unsettled.
Common misconceptions
- Is the yod a well-established configuration?
- No. It is built on the quincunx, a disputed minor aspect, and many astrologers doubt or reject it. OrbHeaven describes the geometry and flags the dispute rather than endorsing its meaning.
- Why are real yods uncommon?
- Because the two quincunxes must both hold within a very tight orb — OrbHeaven allows the quincunx only 2.5° — so the angles have to be close for a yod to qualify.
References & further reading
- [1] Ptolemy, Tetrabiblos (2nd c. CE) — the four angular aspects, which exclude the 150° relation (inconjunct).
- [2] Tierney, B., Dynamics of Aspect Analysis — the yod and the debate over minor-aspect configurations.
- [3] OrbHeaven engine (astronomy-engine), aspects module — the 60°/150° angles and orbs; the shape’s sextile and two quincunxes re-derived in chart-shapes.test.ts.
Suggested citation
Blaxton, K. (2026). What is a yod. OrbHeaven Reference. https://orbheaven.com/reference/the-yodRevision history
- First build (concise). Shared chart-shape diagram (one sextile + two quincunxes, engine-classified); worked example (Taurus–Cancer sextile, Sagittarius apex). Flags the real dispute over the yod’s validity and its dependence on the disputed quincunx; non-Ptolemaic history; links up to Aspects, The Sextile and The Quincunx. No photo, no interactive.
About a minute. Birth time optional, and no account until after you have seen it.
More in the reference library
What is an aspect in astrology? The angles, the orbs, and the geometry
An aspect is the angle between two points in a chart. This is the geometry — the six angles astrologers use, what an orb is, and where the set comes from — with an interactive dial that classifies any separation using OrbHeaven’s engine.
What is a sextile?
A sextile is two planets 60° apart — a sixth of the circle, two signs apart, usually in compatible elements. This explains the geometry, why OrbHeaven gives it a tighter 5° orb, what the tradition reads into it, and where it comes from.
What is a quincunx?
A quincunx — or inconjunct — is two planets 150° apart, in signs that share neither element nor mode. This explains the geometry, why it is not one of Ptolemy’s aspects, the tight orb OrbHeaven gives it, and what the tradition reads into it.