Mysticism June 11, 2026 2 min read

Meaning of the Gichuk (己丑) Ilju — Personality, Structure, and Interpretation of the 26th Sexagenary Cycle

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OIYO Research Team Contributor

The Gichuk (己丑) Ilju is the 26th pillar of the sexagenary cycle (六十甲子). It represents the Heavenly Stem Gi (己), the Yin Earth that nurtures all things, sitting upon the Earthly Branch Chuk (丑), the Ox, which symbolizes silent endurance. It is the image of a snow-covered field in midwinter—gathering strength while waiting for spring.

At a Glance

CategoryContent
Hanja己丑
CompositionHeavenly Stem Gi (Yin Earth) + Earthly Branch Chuk (Ox, Earth)
Nabeum (納音)Byeokryeok-hwa (霹靂火, Thunderbolt Fire)
Ilji 12 Stages of Life (十二運星)Grave (墓)
Ilji 10 Gods (十神)Peer (比肩)
Corresponding Years1949, 2009
Key KeywordsDiligence, Reliability, Steadfastness

Personality and Temperament

The Gichuk Ilju is the “farmer type”—diligent and deeply reliable. While far from flashy, their accumulated inner strength shines brighter as time passes.

  • Strengths: Steadfast diligence, profound reliability, and unwavering consistency.
  • Points of Caution: Excessive caution can lead to hesitation even when opportunities arise. Sometimes, you must be the one to take the first step into the snow.

Structural Analysis — Myeongri Interpretation

The Gi (己) Day Master sits upon the Chuk (丑) Branch. Based on the primary energy of the Day Branch, the 10 Gods correspond to the Peer (比肩), and the 12 Stages of Life correspond to the Grave (墓). The Peer is the star of the self and subjectivity—the power to stand on one’s own is supported by the Day Branch. The Grave position indicates a structure of management, gathering, and preservation.

In terms of Nabeum, it belongs to Byeokryeok-hwa (Thunderbolt Fire), a classification often used in traditional Myeongri to group pillars sharing the same Nabeum.

Learn More


While the Ilju is the central axis of a Saju chart, 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.