庚申

Geng Shen (庚申) — Yang Metal on the Monkey

A forged blade in its own forge.

Heavenly stem
庚 · Geng · Yang Metal
Earthly branch
申 · Shen · Monkey
Na Yin
Pomegranate Wood
Hidden stems
Geng, Ren, Wu
Hidden gods
Friend, Eating God, Indirect Resource
Branch element
Metal
Hard metal among hard metal, decisive and unyielding.

In BaZi, the day pillar is the pillar of the self. Its heavenly stem is your Day Master — the reference point for every other character in the chart. A person born on a Geng Shen day has Geng metal as their Day Master, sitting on the 申 (metal) branch.

Personality

Geng metal is resolve; the Monkey underneath adds speed. This is one of the most direct pillars in the cycle — capable, quick, and impatient with ambiguity. You would rather make a decision and correct it than wait for certainty, and you respect people who can answer straight.

Work and vocation

Engineering, surgery, law, security, or founding — environments where a fast, defensible call beats a perfect plan delivered late.

Relationships

Honest and protective, and often unaware of how much force your honesty carries. Soften the delivery, never the truth.

Health and rhythm

Chest, lungs and tendons. Tension gathers in your body when you are holding back a decision you have already made.

Upcoming 庚申 days

The sexagenary day cycle repeats every sixty days. These are the next dates that fall on Geng Shen.

  • 2026-12-12
  • 2027-02-10
  • 2027-04-11
  • 2027-06-10
  • 2027-08-09
  • 2027-10-08

Is this your day pillar?

You do not need to know your day pillar in advance. Enter your birth date, time and place, and the calculator works out all four pillars — then shows how your Day Master reads against the rest of the chart.

Cast your free BaZi chart

Other Geng days

All six Geng pillars share the same Day Master. For the stem on its own — its nature, strengths and blind spots — read the Geng Day Master guide.

This page is a study aid for classical BaZi symbolism, not a prediction. It describes tendencies and temperaments, not events, outcomes or dates. For medical, legal or financial decisions, consult a qualified professional.