天干 · Gēng
Yang Metal (庚)
the blade — axe and raw ore, hard force, the tool that cuts and clears
- 五行:
- Metal
- 陰陽:
- Yang (陽)
- 同行另一干:
- 辛
Not generic Metal — the blade: raw, hard cutting force, the axe that clears.
概覽
Yang Metal (庚, Gēng) is the yang form of the Metal element, and its image is the blade — the axe, the raw ore, unrefined hard metal. It is Metal as force: the tool that cuts, clears, and breaks through. Where the element Metal describes structure and decisiveness, Yang Metal is that quality at its most forceful and direct — strength applied, edges that do work.
A stem is a specific image, not the bare element. Yang Metal is the blade's way of being Metal — raw, strong, and unsubtle — as distinct from the jewel's way. It tends toward directness, decisiveness, and a willingness to cut: the energy that clears obstacles by force rather than finesse.
形態而非強弱
Yang Metal and Yin Metal (辛) are the two forms of Metal, and the difference is form, not strength — Yin Metal is not a smaller Yang Metal. The blade is raw, hard, and powerful; the jewel is refined, precise, and finished. One cuts by force, the other works by precision. Both are fully Metal. Reading the blade as 'real Metal' and the jewel as 'lesser Metal' is exactly the mistake to avoid — they are two states of metal, raw and refined, not strong and weak.
作為日主
When Yang Metal is the Day Master (日主), the self reads as direct, decisive, and strong-willed — someone who acts, cuts through, and is not afraid of hard edges or hard calls. It tends toward courage, loyalty, and a blunt, get-it-done force. Unbalanced, the same hardness can read as aggression or rigidity — a blade that cuts more than it needs to. It is a tendency in the self, not a fixed personality type.
天干五合與相沖
Yang Metal's classical combination (天干五合) is with Yin Wood (乙): 乙庚合, said to transform toward Metal. Its clash (相沖) is with Yang Wood (甲) — axe against tree, Metal and Wood of the same yang polarity. The chart reads these as structural relationships when the stems meet, not as event predictions.
跨系統對照
| 系統 | 最近的原型 | 備註 |
|---|---|---|
| Zi Wei Dou Shu | A Heavenly Stem that, as a year/pillar stem, triggers the Four Transformations (四化) | A loose tie, not an equivalence: the same ten stems appear in Zi Wei, where a chart's stem drives the 化祿/化權/化科/化忌 activations — a different mechanism from the Bazi Day Master. |
| Western astrology | No clean counterpart — closest in spirit to a Mars–Saturn blend of force and structure | A loose analogy only: Western astrology has no Metal element. The hard, cutting, decisive feel is the nearest, not a mapping. |
跨系統對照只是鬆散的定錨參考,不是字面對等。天干是五行與陰陽的交會、對著日主來讀——這個結構是其他系統沒有的,列表只是給一個熟悉的著陸點。
以描述而非預言來讀
Yang Metal describes a form Metal takes in a chart — forceful, decisive, cutting — not a fixed personality or a destiny. It is read for balance with the rest of the chart, and the same stem plays out very differently across different lives.
保持聯繫
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