Jia · Yang Wood 甲
Jia is yang wood: the tall tree, the beam, the one that grows toward the light and expects others to grow with it.
In bazi, the day master is the stem on the day pillar — the closest thing the chart has to a main character. Jia is yang wood, usually imaged as a tall tree or a load-bearing beam. It reads as growth with direction: not delicate sprouting, but the kind of wood that becomes a roof, a ship's mast, or a forest canopy. People with Jia day masters tend to be principled, visible, and slightly allergic to being managed.
The classical texts pair Jia with the image of a great tree: it needs soil, water and room, and it does not bend politely for small obstacles. That is the useful reading — Jia is not "lucky" or "unlucky", it is a pattern of growth that works when the environment supports it and becomes stubborn when it does not. The rest of the chart says whether the tree has soil, water and light.
Strengths
- Direction and follow-through
- Willingness to be visible and accountable
- Long-horizon growth over quick wins
Watch for
- Rigidity when the situation needs flexibility
- Over-identifying with the role of the strong one
- Impatience with people who grow at a different pace
Work
- Leadership and founding roles
- Architecture, engineering, construction
- Education and anything that builds capability in others
Relationships
Jia tends to love like a shelter: reliably, protectively, sometimes without noticing that the other person wanted a partner rather than a roof. The growth work is to let closeness be mutual instead of managerial.
Questions
What does a Jia day master mean in a bazi chart?
It marks the day stem as yang wood. It describes a default style — growth with direction, visibility and principles — not a fixed fate.
Is Jia a good day master?
None of the ten stems is inherently good or bad. Jia works well when the chart supplies support (soil, water, useful fire) and struggles when the wood is rootless or over-exposed.
Classical image of 甲木 as a great tree / beam; 滴天髓 and 三命通会 traditions.
For reflection and entertainment. Not medical, legal or financial advice. 18+.