Mysticism June 11, 2026 3 min read

Meaning of the Eul-Chuk (乙丑) Ilju — Personality, Structure, and Interpretation of the 2nd Sexagenary Cycle

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OIYO Research Team Contributor

The Eul-Chuk (乙丑) Ilju is the 2nd pillar of the 60 Sexagenary Cycle (六十甲子). It represents the Heavenly Stem Eul (乙), a Yin Wood symbolizing a flexible, climbing vine, sitting upon the Earthly Branch Chuk (丑), the Ox, which symbolizes silent endurance. It is the image of a flower piercing through frozen ground to survive the winter—delicate in appearance, yet possessing an unyielding tenacity.

At a Glance

CategoryContent
Hanja乙丑
CompositionHeavenly Stem Eul (Yin Wood) + Earthly Branch Chuk (Ox, Earth)
Nabeum OhaengHaejunggeum (海中金)
Ilji 12 Stages of LifeSoe (衰, Decay/Maturation)
Ilji 10 Gods (Main Qi)Pyeonjae (偏財, Indirect Wealth)
Corresponding Years1925, 1985
Key KeywordsPatience, Vitality, Perseverance

Personality and Temperament

The Eul-Chuk Ilju is the embodiment of vitality, hiding steel-like patience behind a gentle demeanor. They are adept at silently enduring hardships to build wealth and are known for seeing tasks through to the end.

  • Strengths: Endurance in the face of adversity, frugal wealth management, and reliability.
  • Points of Caution: Because they struggle to express their hardships, they are prone to internalizing stress, and once their mind is set, they can be incredibly stubborn.

Structural Interpretation — Saju Analysis

The Eul (乙) Day Master sits upon the Chuk (丑) Branch. Based on the main Qi of the Ilji (Day Branch), the 10 God is Pyeonjae (偏財), and the 12 Stages of Life is Soe (衰). Pyeonjae is the star of liquid assets, indicating an innate sense for managing money and opportunities. The position of Soe suggests a structure that prioritizes seasoned, internal stability over outward flashiness.

In terms of Nabeum Ohaeng, it belongs to Haejunggeum (海中金), a classification frequently used in traditional Saju analysis to group pillars sharing the same Nabeum.

Learn More


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