Mysticism June 11, 2026 2 min read

Meaning of the Gapjin (甲辰) Pillar — Personality, Structure, and Analysis of the 41st Sexagenary Cycle

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OIYO Research Team Contributor

The Gapjin (甲辰) pillar is the 41st in the sexagenary cycle. It represents the Heavenly Stem Gap—Yang Wood, a giant tree reaching straight toward the sky—sitting upon the Earthly Branch Jin, the Dragon, which embodies change. It is the image of a giant tree rooted in fertile, rich soil—occupying the most favorable land.

At a Glance

CategoryContent
Hanja甲辰
CompositionHeavenly Stem Gap (Yang Wood) + Earthly Branch Jin (Dragon, Earth)
Nabeum (Phonetic Element)Bokdeunghwa (覆燈火, Lamp Light)
Daily Branch 12 Stages of LifeSoe (衰, Decline/Maturity)
Daily Branch Ten Gods (Main Qi)Pyeonjae (偏財, Indirect Wealth)
Corresponding Years1964 · 2024
Key KeywordsAmbition, Wealth Capacity, Drive

Personality and Temperament

The Gapjin pillar represents an ambitious type with grand aspirations and a large capacity for wealth. Because they are rooted in fertile soil, their endeavors are well-nourished, and they possess an unstoppable drive.

  • Strengths: Grand aspirations, a wide capacity for wealth, and strong momentum.
  • Points of Caution: If greed exceeds one’s capacity, the roots may be damaged. One needs the wisdom to distribute resources effectively.

Structural Analysis — Saju Interpretation

The Gap (甲) Day Master sits upon the Jin (辰) Branch. Based on the main Qi of the daily branch, the Ten God is Pyeonjae (偏財), and the 12 Stages of Life is Soe (衰). Pyeonjae is the star of liquid assets—the sense for managing money and opportunities is embedded in the daily branch. As it sits in the stage of ‘Soe’ (Maturity), it is a structure that builds seasoned substance rather than mere superficial flashiness.

In terms of Nabeum, it belongs to Bokdeunghwa (Lamp Light), a classification often used in traditional Saju analysis to group pillars sharing the same phonetic element.

Learn More


While the pillar is the central axis of a Saju, it is only two of the eight characters. Its manifestation varies significantly depending on its relationship with the other characters, so please use this as a starting point for self-understanding.

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OIYO Research Team

Research Team

The OIYO research team structures material from psychometric scales, statistics, and academic literature. We name both the popular framing and its scholarly limits, so each guide works as a tool for reflection rather than a verdict.