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Core element 庚, 1 of 10

Geng Metal Day Master (庚)Yang Metal: the sword.

Like a finely forged sword, Yang Metal personalities are decisive, courageous, and direct. They cut through complexity with clarity and conviction.

The Metal Disruptor
Sword. Strong, direct, shaped by pressure.Shown: the Metal Disruptor, one of its 8 guardians.

Short answer

Geng (庚), also called Yang Metal, is one of the ten Day Masters in BaZi: the core element that stands for you in a birth chart. Its image is the sword, the forged blade. As a Day Master it describes your core temperament: They cut through complexity with clarity and conviction.
On this page

Who you are

Yang Metal is the sword: drawn, sharp, and not big on apologies. You walk in knowing what you think, what you want and what you won't put up with. People find that either very reassuring or a little scary.

Your directness isn't cruelty. You believe clarity serves people better than comfortable fog. You tell the truth when others water it down. You name the problem everyone is dancing around. You make the hard call while others are still deciding.

The catch: a sword without judgment leaves wounds. Bluntness at the wrong moment hurts. Your confidence, usually earned, can tip into brushing off views that would make you better.

Where you shine

Decisive

When a decision is needed, you make it, clearly and without second-guessing.

Brave honesty

You say what is true even when it is uncomfortable. People come to you for the straight answer.

A firm code

You have principles and you keep them. You are not for sale.

Cutting away what's broken

You see what needs to go and have the nerve to remove it. You fix broken systems.

Presence

You take up space with confidence and don't shrink from a fight.

What to watch for

Bad timing

The truth said at the wrong moment, in the wrong tone, does damage that accuracy can't undo.

Impatience

Real change takes time. You may force a fix before things are ready.

Too sure

You are usually right, which makes it hard to notice the times you aren't.

Hiding need

Showing weakness doesn't come naturally, so you may not ask for support when you need it.

At work

You suit work where strength and directness are valued: the military, law, surgery, sport, engineering, leadership. You want real authority and real accountability. You make an excellent crisis manager and fixer of broken systems. Endless meetings and office politics with no progress wear you down. You need to act.

In love

You are loyal and protective, and you love by standing next to someone and defending them. Your honesty doesn't switch off at home, and hard feedback at full force is a common sore spot. A partner who needs gentle delivery may find you tiring. You do best with someone who values honesty, has a strong sense of self, and can push back when you push.

Your element: Metal

The Metal element embodies precision, boundaries, and the capacity to let go. In classical Five Element thought, Metal belongs to autumn and its emotion is grief, the ability to value what matters, release what doesn't, and draw clear lines. When balanced, Metal becomes discernment, discipline, and the courage to cut away excess. When excessive, it turns into rigidity, cold perfectionism, or an inability to move past loss. Metal personalities see the world with rare clarity, but must learn that not everything worth keeping is flawless.

Classical linkMetal
SeasonAutumn
DirectionWest
Core emotionGrief (悲)
TraitsDisciplined, Discerning, Principled, Detached, Refined

Earth feeds you, Fire tames you. Read about the Metal element or see how the elements get along.

Your Yin twin

Yin Metal, the jewel

Same element, a different way of carrying it. Like a precious jewel refined under pressure, Yin Metal personalities are sensitive, perceptive, and exquisitely refined. Their beauty comes from depth. Read about Yin Metal.

For the curious: the proper names
Day Master 日主
The classical name for your core element: the top character of your day pair.
Geng 庚
The Mandarin name of Yang Metal, the sword. One of the 10 sky signs (Heavenly Stems 天干).
Xin 辛
The Mandarin name of Yin Metal, the jewel.
Ten Gods 十神
The forces in your chart. Your strongest force picks which guardian below is yours.

FAQ

Questions people ask

What is the Geng Metal Day Master in BaZi?
BaZi writes your birth moment as 8 Chinese characters, and the top character of your birth day stands for you. Classical books call it the Day Master; we call it your core element. Geng (庚) is one of the 10 possible: Yang Metal, the sword. Like a finely forged sword, Yang Metal personalities are decisive, courageous, and direct. They cut through complexity with clarity and conviction.
How do I know if I am a Geng Metal Day Master?
It comes from the day you were born. In the Chinese calendar every day carries one of 60 pairs of characters, in a cycle that has run without a break for well over 2,000 years, and the top character of your birth day's pair is your core element (the Day Master). You cannot work it out from your birthday in your head, so use a calculator: Elemental Fate's free one does it in about a minute.
What element is Geng Metal?
Geng is Metal (金). Every element comes in an outward (yang) and an inward (yin) form, and Geng is the outward (yang) one. Chinese tradition also links Metal with autumn and the west.
What is the difference between Geng and its Yin counterpart?
Both are Metal, in its two forms. Geng (the sword) is the outward (yang) form: more direct, bold and outgoing. Xin (the jewel) is the inward (yin) form: more adaptable, subtle and refined. Same element, a different way of carrying it.
Which archetypes have a Geng Day Master?
8 of Elemental Fate's 80 guardian spirits have Geng (Yang Metal) as their core element: The Metal Commander, The Metal Disruptor, The Metal Steward, The Metal Hunter, The Metal Scholar, The Metal Hermit, The Metal Smith, The Metal Maverick. Which one is yours depends on the strongest force in your chart, and your birth month decides that.

Are you Yang Metal? Find out free.

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