Mysticism June 11, 2026 3 min read

Meaning of the Byeong-O (丙午) Ilju — Personality, Structure, and the 43rd Pillar of the Sexagenary Cycle

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OIYO Research Team Contributor

The Byeong-O (丙午) Ilju is the 43rd pillar of the sexagenary cycle. It represents the Heavenly Stem of Byeong (Yang Fire), the sun that illuminates all things, sitting atop the Earthly Branch of O (the Horse), the symbol of passion. It is the image of the sun at high noon, receiving the full energy of the peak of the Twelve Stages of Life (십이운성).

At a Glance

CategoryContent
Hanja丙午
CompositionHeavenly Stem Byeong (Yang Fire) + Earthly Branch O (Horse, Fire)
Nabeum Five ElementsCheonhasu (天河水, Heavenly River Water)
Ilji Twelve Stages of LifeJewang (帝旺, Emperor/Peak)
Ilji Ten Gods (Main Qi)Geopjae (劫財, Rob Wealth)
Corresponding Years1966 · 2026
Key KeywordsPassion, Charisma, Peak

Personality and Temperament

The Byeong-O Ilju is a “sun-type” personality with a level of passion and presence that ranks among the highest in the sexagenary cycle. With the intense energy of the Yang-in (羊刃), they lead with fervor and take responsibility with equal intensity.

  • Strengths: Overwhelming passion and presence, refreshing and decisive leadership.
  • Points of Caution: If you burn everything, you will eventually burn yourself. The brighter the noon sun, the more necessary it is to create shade.

Structural Analysis — Saju Interpretation

The Byeong (丙) Day Master sits upon the O (午) Earthly Branch. Based on the main qi of the Ilji, the Ten God is Geopjae (劫財), and the Twelve Stages of Life is Jewang (帝旺). Geopjae is the star of competition and ambition—it thrives in rivalry, but also brings fluctuations in wealth. As it sits in the position of the Emperor (Jewang), it is a strong and prosperous structure where energy reaches its zenith.

In terms of Nabeum Five Elements, it belongs to Cheonhasu (天河水, Heavenly River Water), a classification often used in traditional Saju studies to group pillars sharing the same Nabeum.

Learn More


The Ilju is the central axis of a Saju chart, but it represents only two of the eight characters. Its manifestation varies significantly based 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.