庚子 (gyeong ja) day pillar
raw iron, a blade sitting on the Rat branch - The Decisive Principled One.
gyeong Metal · ja Water
At a glance
- Day stem
- 庚 (+Metal)
- Day branch
- 子 (Water · Rat)
- Hidden stems
- 壬(residual) 癸(main)
- Ten God of the branch
- Hurting Officer (癸)
- Twelve stages
- Death
- Void branches
- 辰·巳
- Sound element
- Earth on the Wall (壁上土)
- Number in the cycle
- 37 / 60
Day stem - your temperament
The day stem 庚 is Metal, symbolised by raw iron, a blade.
Values loyalty and, once convinced something is right, pushes forward boldly.
Can lack flexibility, causing friction, or come across as overly rigid.
A yang stem, so the energy pushes outward. You go big and straight, and tend to put off the fine finishing work.
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Day branch - the ground you sit on
The day branch 子 is Water, the Rat branch.
A seat that reads the room quickly while keeping its own cards hidden. Quick-witted and practical.
Inside 子 sit the hidden stems 壬(residual 10), 癸(main 20), of which 癸 is the main one. Beyond the visible Water, these stems work from within, which is why the same branch reads differently from person to person.
The Ten God in your day branch - reading the spouse seat
Seen from the day stem 庚, the branch's main stem 癸 is Hurting Officer. The day branch is the seat closest to a partner and the ground you stand on daily, so the Ten God sitting there shapes the texture of everyday life.
The force of expression and overturning sits underneath. Your talent shows and your candour draws people, but fixed rules and being told what to do chafe badly. This seat gains and loses on a single sentence, so pace your own bluntness.
How stem and branch meet
The stem generates the branch, so this is a seat that spends what it has outward. Plenty of expression and output, but it drains you too.
Twelve stages - your energy in this seat
The day stem 庚 meets the branch 子 at the Death stage.
The stage where motion stops and thought deepens. Strong in study or craft that goes deep into one thing, though you linger a long time before deciding.
Void branches - the two empty seats
The 庚子 pillar belongs to the 甲午 decade, and the branches left empty in it are 辰 and 巳.
A void branch is less a bad omen than a marker meaning your heart does not fully settle here. Years ruled by those branches tend not to fill up as planned - but attachment thins out too, which can feel like relief, and it often turns into a strength in fields that work with emptiness: religion, scholarship, art.
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Sound element (Napeum)
The sound element of 庚子 is Earth on the Wall (壁上土) - an old name given to the pair itself, separate from the elements of the stem and branch.
An Earth sound-element, so the grain is one of holding things up. It suits work that connects and lays foundations, and gathers strength when you choose what lasts over what shows quickly.
Branches that fit, branches that clash
The branch that pairs with 子 in six-harmony is 丑, and the branches forming its triad are 辰, 申. Against that, 午 clashes with it and shakes the seat.
Years and people whose branch harmonises with yours tend to run smoothly and feel easy. The clashing side shakes the seat instead - moves, partings, turning points - which is not simply bad: it is also the force that pushes out what had gone stagnant.
Work that suits you
By the element of the day stem (Metal): fields where precision and principle matter, like finance, law, machinery/manufacturing, or medicine
The branch's element (Water) is layered on top: fields where you read trends and operate broadly, like trade, distribution/logistics, communications, or research Choose work where the two grains overlap - that is where you last.