Day Pillars › Geng Zi
Geng Zi 庚子 Day Pillar · Gyeongja
Geng Zi lays a blade of Yang Metal in the midwinter stream of the Rat, a pillar of clear thinking and precise, flowing expression.
- Day Master (stem)
- 庚 Geng · Yang Metal
- Spouse palace (branch)
- 子 Zi · Water Rat
- Hidden stems
- 壬 Ren (Eating God) · 癸 Gui (Hurting Officer)
- Twelve stage
- 死 · 사 Stillness
- Na Yin
- 壁上土 Wall Earth
- Void (공망)
- 辰巳 Dragon and Snake
- Image
- A steel blade in a clear winter stream
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What is the Geng Zi (庚子) day pillar like?
Geng Zi puts Yang Metal, the axe and the ore, over 子 (Zi), the Rat, the deepest Water branch of midwinter. Metal generates Water, so this pillar's strength runs outward into thought, speech and skill. The main hidden stem, 癸 (Gui), is the Hurting Officer: an inventive, critical mind that looks for better ways and says what it sees. 壬 (Ren) joins as the Eating God, adding fluency and pleasure in craft. With both output stars in the branch, Gyeongja is unusually articulate, clear-headed and quick to spot a flaw in the plan.
Korean readers name this 일주 (ilju, day pillar) 경자 (Gyeongja) and imagine a steel blade lying in a cold, clear winter stream. People with this pillar are described as sharp, cool-headed and principled, with a clean sense of right and wrong and a gift for cutting through confusion. Their words can be precise to the point of bracing. Korean readings point to the cold in this image: water and metal in winter want warmth, so friendships, humor and a sunny workspace bring out Gyeongja's generous side.
What does the twelve-stage position mean for Geng Zi?
Geng in the Rat stands at 死 (사, sa), Stillness, on the twelve-stage cycle. In this framework Stillness is the calm point after vigorous action, when motion settles into reflection. For Gyeongja it is read as depth of thought, a contemplative intelligence and a preference for understanding a matter fully before acting on it.
What is the Na Yin of Geng Zi?
The Na Yin of Geng Zi is 壁上土, Wall Earth: clay plastered onto a house wall to keep out the wind. Poetically it lends this cool pillar a sense of shelter, structure and the comfort of a well-built room in winter.
How does Geng Zi approach close relationships?
The spouse palace, 배우자궁 (baeujagung), of Geng Zi holds 癸 as its main hidden stem, the Hurting Officer for a Geng Day Master. Partnership is colored by candid conversation, intellectual connection and a wish for freedom within commitment. Gyeongja respects a partner with their own views and enjoys discussing ideas late into the evening. Because the palace is all Water, feelings flow beneath a cool surface; expressing affection in words and warm gestures, not only in helpful critiques, keeps the bond close.
How does Geng Zi work best?
Geng Zi excels where clear analysis and skilled expression meet. Engineering, law, editing, research, strategy, technical writing, software, criticism and teaching all reward its precise mind. The Hurting Officer pushes for improvement, and the Eating God makes complex material understandable. Gyeongja prefers autonomy and a culture that values honest feedback. Heavy bureaucracy can feel stifling; a role with room to redesign processes brings out its best.
What are the strengths and blind spots of Geng Zi?
- Cutting clarity — Gyeongja sees through confusion fast and names the real issue in a single sentence.
- Articulate skill — two output stars make this pillar a strong writer, explainer and practical problem-solver.
- Principled fairness — it cares about doing things correctly and is ready to stand up for what is right.
Things to watch
- Bracing bluntness — softening the opening line of feedback helps Gyeongja's valuable insight land well.
- Cool exterior — showing warmth openly keeps loved ones from misreading calm focus as emotional distance.
- Impatience with inefficiency — explaining a better method patiently wins more allies than fixing everything alone.
Which day pillars are related to Geng Zi?
Same Day Master: 庚午 Geng Wu, 庚辰 Geng Chen, 庚寅 Geng Yin, 庚戌 Geng Xu, 庚申 Geng Shen.
Heaven-and-earth combination (천지합): 乙丑 Yi Chou — its stem combines with 庚 and its branch forms a six-harmony pair with 子, a pairing traditionally read as easy rapport. Compare two real charts on the compatibility page.
What does Gyeongja (경자) mean in Korean Saju?
경자 (Gyeongja) is the Korean reading of 庚子, the 37th pair of the sixty-day cycle. 경 (Gyeong) is Yang Metal, raw ore or a blade, and 자 (Ja) is the Rat, the Water branch of midwinter. As a day pillar it describes a sharp, articulate and principled self, like clean steel resting in a clear winter stream.
Is Geng Zi a strong day pillar?
On its own, Geng Zi is not heavily rooted: the Rat branch is pure Water, which draws Metal's energy outward. That is why readers associate it with expression more than force. Earth and Metal elsewhere in the chart, or an autumn birth, give support, and the overall balance always depends on all eight characters together.
What is the void (공망) of the Geng Zi day pillar?
Geng Zi has 辰 (Dragon) and 巳 (Snake) as its void, or 공망 (gongmang), branches. These are the two branches left without a stem partner in its ten-day stretch of the cycle. In a reading, they mark areas where influence feels lighter or arrives later, and practitioners treat them as a nuance to understand, not a warning.
For entertainment and self-reflection only. Saju describes tendencies, not fixed outcomes, and nothing here is professional advice. Twelve stages, Na Yin and void branches follow standard Korean and Chinese almanac tables (checked against the independent library lunar-python); background: Sexagenary cycle (Wikipedia). Updated October 7, 2026.