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Chapter 11 of 15
星学大成
The so-called Hexagram Energy (Gua Qi) is a system that incorporates all sixty Sexagenary Cycle combinations into the Eight Trigrams system. The specific correspondences are as follows: for individuals born in Jia (甲) or Ren (壬) years, their Hexagram Energy falls on the Qian Trigram (乾); for those born in Yi (乙) or Gui (癸) years, it falls on the Kun Trigram (坤); for those born in one of the Six Geng (六庚) years (Geng-zi, Geng-yin, Geng-chen, Geng-wu, Geng-shen, Geng-xu), it falls on the Zhen Trigram (震); for those born in one of the Six Xin (六辛) years (Xin-chou, Xin-mao, Xin-si, Xin-wei, Xin-you, Xin-hai), it falls on the Xun Trigram (巽); for those born in one of the Six Bing (六丙) years (Bing-zi, Bing-yin, Bing-chen, Bing-wu, Bing-shen, Bing-xu), it falls on the Gen Trigram (艮); for those born in one of the Six Ding (六丁) years (Ding-chou, Ding-mao, Ding-si, Ding-wei, Ding-you, Ding-hai), it falls on the Dui Trigram (兑); for those born in one of the Six Wu (六戊) years (Wu-zi, Wu-yin, Wu-chen, Wu-wu, Wu-shen, Wu-xu), it falls on the Kan Trigram (坎); and for those born in one of the Six Ji (六己) years (Ji-chou, Ji-mao, Ji-si, Ji-wei, Ji-you, Ji-hai), it falls on the Li Trigram (离).
Whenever the Body Palace (Shen Gong), Life Palace (Ming Gong), Career Palace (Guan Lu Gong), or Virtue Palace (Fu De Gong) in a chart falls upon the Hexagram Energy position, the individual is invariably marked by nobility and abundance. Hexagram Energy is the most critical element in the Yelü astrological system. Even when referencing other numerological systems such as the Fan Family River-Luo Chart (Fan-shi He-Luo Tu) or the Mid-Heaven Grand Calibration (Zhong Tian Da Ding), all of them employ this as the primary nobility determinant (Zheng Lu). How could one possibly afford to overlook it?
Hexagram Energy is fundamentally a Heavenly Stem-to-Trigram embedding system, mapping the Ten Heavenly Stems onto the Eight Trigrams according to specific rules, thereby transforming the Heavenly Stem and Earthly Branch information of a birth year into a trigram-based energy field. This system endows astrological palace positions with the attributes of Yijing (I Ching) trigrams. When key palaces—such as the Life Palace or Body Palace—happen to fall precisely on the direction corresponding to the Hexagram Energy, a resonant configuration emerges among Heavenly Stem, trigram symbol, and palace position. The core logic is: a person's birth time carries a specific universal energy frequency (the Heavenly Stem), which corresponds to the natural forces represented by the Eight Trigrams. When key nodes in the chart coincide with this corresponding direction, it signifies a state of "receiving the mandate of heaven" (de tian shi).
From a contemporary perspective, the Hexagram Energy system is essentially a symbolic mapping model. The Ten Heavenly Stems are distributed across the Eight Trigrams, forming a closed correspondence network. This stem-trigram correspondence was by no means arbitrarily established; rather, it embodies the ancients' long-term observational synthesis of the relationship between celestial cyclical patterns and the energy of terrestrial directions. The Qian Trigram corresponds to Jia and Ren, both belonging to Yang Metal and Yang Water respectively in the Five Elements—Qian represents Heaven and firmness; the Kun Trigram corresponds to Yi and Gui, both belonging to Yin Wood and Yin Water—Kun represents Earth and receptivity. This assignment embodies the principle of "like energy seeks like; like categories follow like".
In contemporary application, the core insight revealed by Hexagram Energy is that each person is born with an inherent "energy direction." Identifying and skillfully utilizing this direction aids in making favorable life decisions and avoiding misfortune.
| Application Dimension | Practical Points |
|---|---|
| 🔍 Self-Orientation | Confirm your birth year Stem, locate the corresponding Hexagram Energy direction, and understand your natural temperament tendencies and potential advantage areas |
| 🏠 Environmental Layout | The Hexagram Energy direction can serve as a personal auspicious direction reference—e.g., those with Qian Hexagram Energy should value the northwest; those with Li Hexagram Energy should emphasize due south |
| 📅 Timing Actions | Undertake major decisions during years or months corresponding to your Hexagram Energy, such as business openings, relocations, or contract signings—this can be regarded as "heavenly timing as support" |
The Hexagram Energy system reflects the ancient Chinese cosmological view of the unity of Heaven and humanity (tian ren tong gou): the Heavenly Stems carry the energetic codes flowing through time, while the Eight Trigrams serve as energetic coordinates in the spatial dimension. When a person's temporal code precisely corresponds to a spatial coordinate, an auspicious pattern of "occupying the right position" and "receiving the right timing" emerges. This mode of thought reminds us that the meaning of life lies not only in individual proactive effort but also in recognizing and aligning with the cosmic order that precedes individual existence.
The Seven Governors (Sun, Moon, and Five Planets) are divided into Yin and Yang categories, each with specific principles of application; after evaluation and determination, they are matched to the Three-Fold House Rulers. For individuals born during the daytime, the Three-Fold House Rulers are taken exclusively from the palace where the Sun resides; for those born at night, they must be taken from the palace where the Moon resides.
One should know: the Moon, Mars, and Venus are Yin celestial bodies, while the Sun, Jupiter, and Saturn are classified as Yang for the purpose of seeking correspondence. Night-born individuals are suited to receive Yin rulers; day-born individuals are suited to receive Yang rulers; when day and night are not contradicted, profound blessings are brought.
If a Yin ruler is encountered by a day-born individual, or a Yang ruler by a night-born individual, it is difficult to guarantee that the person will avoid misfortune throughout their lifetime. The Western Method (Xiyu star astrology) places great emphasis on this matter—the most critical point being that the Three-Fold House Rulers occupy a position of exaltation (well-placed and potent). When each ruler is situated appropriately and operates with vigor, nobility and wealth are inevitably destined. If, moreover, the Seven Luminaries (Sun, Moon, and Five Planets) shine upon the Body Palace and Life Palace, the individual will surely rise to extraordinary prominence, becoming an auspicious omen in the mortal world.
Summary of the Rules: Day-born individuals take the Sun as the primary reference; night-born individuals take the Moon as the primary reference. From each reference point's palace, the Three-Fold House Rulers are derived. The Sun, Jupiter, and Saturn govern Yang; the Moon, Mars, and Venus govern Yin. When day and night are not contradicted, blessings follow.
Jupiter and Venus have always been benefic stars, but if the palaces they occupy are not in the office of the Three-Fold House Rulers, they likewise cannot bring genuine glory. In the Three-Fold positions, encountering Mars or Saturn is most feared; if encountered, they become unmistakably ruthless malefic luminaries in name.
Night-born individuals shine with radiance only in Yin palaces (palaces governed by Yin stars); day-born individuals only begin to emerge into great brightness in Yang positions (positions governed by Yang stars). Regarding the Five Planets—Jupiter, Venus, Mars, Mercury, and Saturn—so long as they are not the Three-Fold House Rulers, their effects on fortune and misfortune are entirely different.
The core of the Three-Fold House Ruler method lies in the matching principle of day/night and Yin/Yang. Its operational logic unfolds in three layers:
First Layer: Establishing the Foundation. Day-born individuals use the Sun as the foundation; night-born individuals use the Moon—because the Sun rules the day and the Moon rules the night, each following its own category. The Three-Fold House Rulers are sought using the Sun's or Moon's palace as the origin point.
Second Layer: Distinguishing Yin and Yang. The Sun, Jupiter, and Saturn are Yang stars; the Moon, Mars, and Venus are Yin stars. Mercury is flexibly classified based on its relationship with the Sun and Moon. The rule of Yin-Yang matching is: for day-born individuals, obtaining Yang stars is favorable; for night-born individuals, obtaining Yin stars is favorable. Favorable alignment brings blessings; contrary alignment brings misfortune.
Third Layer: Assessing Good and Evil. Jupiter and Venus are inherently benefic in nature, while Mars and Saturn are inherently malefic luminaries. However, if a benefic star does not attain the office of Three-Fold House Ruler, its virtuous nature has no avenue for expression; conversely, if a malefic luminary happens to serve as a Three-Fold House Ruler and conforms to the day/night Yin-Yang principles, it can likewise transform inauspiciousness into auspiciousness. The key lies in whether the star occupies the office of ruler and whether it accords with day/night and Yin/Yang suitability, rather than the star's nature alone.
The Three-Fold House Rulers system is essentially a conditional evaluation model for auspiciousness. It does not evaluate in isolation whether a star is benefic or malefic; rather, it dynamically assesses the star's fortune within the dual conditions of circadian rhythm and palace function. This echoes the situational theory in modern management: the same trait may produce entirely different outcomes under different circumstances.
The "good" and "evil" of the Five Planets are not absolute attributes but rather innate energy tendencies. Venus symbolizes the forces of contraction, aesthetics, and harmony; Jupiter symbolizes expansion, growth, and magnanimity; Mars symbolizes breakthrough, conflict, and fervor; Saturn symbolizes suppression, limitation, and heaviness. These forces are inherently neutral—all depends on whether they are properly positioned, properly timed, and properly utilized.
In concrete divination practice, the Three-Fold House Ruler theory provides a highly actionable path of judgment:
The Three-Fold House Rulers theory embodies a kind of situational ethics: good and evil are not a priori labels, but rather functional evaluations generated within specific relationships and conditions. Jupiter and Venus are benefic, yet "if the places they occupy are not the ruler's office, they bring no honor"; Mars and Saturn are malefic, yet if properly positioned and timely, they too can "radiate brilliance and light." This reveals the ancients' profound understanding of human nature and destiny—cosmic timing transcends stellar nature; positional advantage outweighs essential character.
| Category | Content |
|---|---|
| Related Concepts | Seven Governors and Four Remainders, Day/Night Yin-Yang, Life and Body Palaces, Three-Fold and Four-Corner positions, Essential Dignities and Exaltations, Western Method |
| Further Reading | Subsequent chapters of Xing Xue Da Cheng on specific judgments of the Seven Governors entering palaces; the detailed applications of Three-Fold Houses Rulers in Zhang Guo Xing Zong; day/night noble configuration judgments in Guo Lao Xing Zong |
| Modern Research | Contemporary astrology researchers have compared the Three-Fold House Rulers system with the Triplicity Rulers in Western astrology, discovering significant structural similarities in the "day/night factional rulership" design—this may point to a shared origin in ancient Eastern and Western astronomical observation traditions |