Yang Earth over Wood · Earth on the city wall

Wu Yin — pillar 15 of 60

A mountain in spring. Something growing on a thing that does not want to move: authority that is earned slowly.

Reviewed November 2026

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Pillar戊寅 — Wu Yin (15 of 60)
StemWu 戊 — Yang Earth
BranchYin 寅 — the Tiger, Wood
Hidden stemsJia 甲, Bing 丙, Wu 戊
StageBirth (1 of 12)
NayinEarth on the city wall
RelationBranch controls the stem

What the pair is doing

The branch restrains the stem's element — the authority relation. Pressure that comes from circumstance, rules or other people.

The stem is yang earth and the branch is wood, so this is the authority relation. Inside the branch sit the hidden stems Jia, Bing, Wu — which is why a Yin branch is never only wood. Those hidden stems are what a reader checks when the surface element does not explain what the chart is doing.

The stage: Birth

On the twelve-stage cycle, Wu meets Yin at Birth — stage 1 of twelve. The stages run from Birth at the element's own season through Peak at its strongest, then down through Decline, Illness, Death, Tomb and Severed before Conception and Nurture bring it back. Birth is a qualitative marker, not a score: it says how freely the stem can act at this branch, not how strong the person is.

The nayin layer

The classical sound-element for this pair is earth on the city wall. Nayin is a separate sixty-item list that predates the stem-and-branch reading most charts use today; it is quoted for its image rather than its arithmetic. Treat it as a second description of the same object, not as a fifth element to be balanced.

Years with this pillar

Every sixty years the year pillar returns to Wu Yin. In the current window that means 1938, 1998, 2058. If you were born in one of those years, this is your year pillar — but not necessarily your Day Master, which comes from the day, not the year.

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