Meaning of the Jeong-Yu (丁酉) Ilju — Personality, Structure, and the 34th Pillar of the Sexagenary Cycle

The Jeong-Yu (丁酉) Ilju is the 34th pillar of the sexagenary cycle. It consists of the Heavenly Stem Jeong (丁), a yin fire representing a candle illuminating the darkness, sitting atop the Earthly Branch Yu (酉), the precise and meticulous rooster. It is the image of a lamp in a jewelry store after dark—light reflecting off gemstones to create a brilliant, shimmering effect.

At a Glance

Category	Content
Hanja	丁酉
Composition	Heavenly Stem Jeong (Yin Fire) + Earthly Branch Yu (Rooster, Metal)
Nabeum Five Elements	Sanha-hwa (山下火, Fire under the mountain)
Ilji 12 Stages of Life	Jangsaeng (長生, Long Life/Birth)
Ilji Ten Gods (Main Qi)	Pyeonjae (偏財, Indirect Wealth)
Corresponding Years	1957 · 2017
Key Keywords	Aesthetics, Sophistication, Wealth

Personality and Temperament

The Jeong-Yu Ilju is a sophisticated aesthete with an exceptional sense of beauty. They possess a natural talent for refining and decorating, and they have a bright affinity for wealth.

• Strengths: Outstanding aesthetic sense, sophistication, and a natural aptitude for managing wealth.
• Points of Caution: One must ensure that their inner substance matches their outward appearance. Vanity can cause the oil in the lamp to burn out too quickly.

Structural Analysis — Saju Interpretation

The Jeong (丁) Day Master sits upon the Yu (酉) Earthly Branch. Based on the main qi of the daily branch, the Ten God is Pyeonjae (偏財), and the 12 Stages of Life is Jangsaeng (長生). Pyeonjae is the star of fluid wealth—the instinct for circulating money and seizing opportunities is embedded in the daily branch. As it sits in the position of Jangsaeng, this structure is often accompanied by new beginnings, learning, and the support of noble benefactors.

In terms of Nabeum Five Elements, it belongs to Sanha-hwa (山下火); this classification was frequently used in traditional Saju studies to group pillars sharing the same Nabeum.

Learn More

• Curious about your own Ilju?: Saju Calculator (oiyo.net)
• View all Heavenly Stems, Earthly Branches, Ten Gods, and 12 Stages of Life: Saju Dictionary
• View all 60 pillars of the sexagenary cycle: Sexagenary Cycle Ilju Dictionary

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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.