Geng Metal Day Master 庚金

In Saju (the Four Pillars, or BaZi), your Day Master is the Heavenly Stem of the day you were born, the character that stands for “you.” Geng Metal (Geng) is a Yang Metal stem, pictured as a well-forged blade of steel.

Geng Metal is strong and decisive like a well-forged blade. You have a clear sense of right and wrong, value principle, and are definite about what you accept and reject, so people find you trustworthy. You shine in a crisis with a fighter’s spirit and drive toward your goals. Your expression can feel stiff, so a softer tone helps relationships.

A Geng Metal Day Master is a problem-solving doer. You cut to the core even in complex situations and sort it out decisively, and you don’t waver at moments that need a decision. You win trust through a clear sense of right and wrong, but an unbending tone can stiffen relationships. Your growth task is “adding warmth to your strength.” Put empathy one sentence before the same conclusion and people follow.

A Geng Metal Day Master has an upright nature that treats principle and loyalty as life itself. Once you promise, you keep it to the end and can’t stand injustice. Your true worth shows in a crisis, and you are counted as “someone you can trust with it.” But too much firmness isolates you, so a wide view that looks at others’ circumstances is a great blessing.

Geng Metal loves loyally and clearly. You are definite and wholehearted, but your directness can hurt. Keep in mind that a kind word protects love better than a correct one.

The season of your birth month changes how a Metal Day Master feels and behaves.

• Born in spring: A Metal Day Master born in spring governs Wood (wealth). You have good realism and execution and are active, but you use a lot of force, so you need to pace your stamina.
• Born in summer: A Metal Day Master born in midsummer is heated by fire. There are many tempering trials, but within them you are finished into a fine tool, and a life of honor and responsibility follows.
• Born in autumn: A Metal Day Master born in autumn meets its own season. Decisiveness and spirit are excellent and you are sharply honed, and you shine even more with a touch of softness.
• Born in winter: A Metal Day Master born in winter makes the water shine clear. Your talent and expression are cool and precise, and when you meet warm Fire your talent blooms greatly.

The same Day Master reads differently with a different personality type. Here is how Geng Metal blends with each MBTI temperament:

• Idealist & empath (NF): An idealistic NF gets the decisiveness of steel, an idealist who can choose boldly and cut ties for the sake of belief. Keep balance so that being right doesn’t push kindness to the back.
• Strategist & analyst (NT): An NT with the decisiveness of steel has cool, accurate judgment and the strength to cut ties with what doesn’t work. Your directness is a weapon, so pair it with consideration for how it lands.
• Caring cooperator (SF): A loyal SF with the decisiveness of steel is straightforward and fiercely protective of people close to you. You act on loyalty, so soften your words so that your care is clearly heard.
• Practical & principled (ST): A disciplined ST with the decisiveness of steel is blunt, fair and efficient: principles first, decisions fast. People trust your word, and a gentler tone makes it easier to follow you.

• If you are an extrovert (E): Extraversion plus steel: you speak up clearly and push a group toward a decision.
• If you are an introvert (I): Introversion plus steel: you say little, but what you say cuts to the point.
• If you are a planner (J): Judging plus steel: you keep deadlines and principles to the letter and finish cleanly.
• If you are a flexible improviser (P): Perceiving plus steel: you cut straight to the point at the last moment, a master of the final sprint.

For your exact type, try the MBTI × Saju match.

• Colors: White · Silver · Gold
• Direction: West · Numbers: 4, 9 · Season: Autumn
• Fitting fields: Finance, law, engineering, medicine, precision manufacturing, jewelry and quality control
• Food: White foods such as radish, pear and rice, and spicy accents
• Habits: Decluttering, strength training, breathing exercises and finishing things on time
• Best avoided: Cutting people off too sharply, perfectionism, or a harsh tongue

These suggestions are most useful if Metal is your Useful God, the element your chart needs. The free Saju calculator finds yours.

Areas to look after: lungs, large intestine, bronchi, skin and nose.

Too much Metal energy dries the airways and skin, and feelings can turn dry and edgy. Fluids, humidity, soft food and warm conversation restore balance.

Too little Metal energy leaves bronchi and skin weak and prone to colds in changing seasons. Look after breathing exercises, clean air and regular bowel habits.

• Stem Combination: Yi Wood combines with Geng Metal, a pairing traditionally read as a strong attraction that blends two different energies.
• Opposite stem: Bing Fire is Seven Killings to a Geng Metal Day Master: a more tense energy that can sharpen you or wear you down.