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Chapter 1 of 11
奇门遁甲专业知识
Preface to Qi Men Dun Jia: A Tutorial
Qi Men Dun Jia is a profoundly influential divination category derived from the system of Yì learning (the study of the I Ching). Its emergence dates to roughly the period following the Han and Wei dynasties, gradually taking shape through the deduction and refinement of diviners across successive generations.
Qi Men Dun Jia employs the Later Heaven Bagua, the Luoshu (Luo River Writing), and the Twenty-Four Solar Terms as its warp and weft, interweaving time, space, and numerical principles to construct a multi-dimensional, multi-layered foundational structure and framework. 🌐 This framework is by no means flat or one-dimensional; rather, it is three-dimensional and multi-tiered. When conducting a divination, the specific point in time (year, month, day, hour) is placed within this framework, and judgment is made centering on a particular point—examining the laws of flux and transformation of all things in specific time periods and specific directions in the cosmos, as well as the auspicious or inauspicious environments that arise from them, thereby providing individuals with guidance on direction and timing for their actions and choices. ⚡
Why is this divination category called "Qi Men Dun Jia"? What is the meaning of "Qi Men Dun Jia"? It is composed of three concepts: "Qi" (Odd/Strange), "Men" (Gate), and "Dun Jia" (Concealed Jia):
The "Six Instruments" are Wu, Ji, Geng, Xin, Ren, and Gui. The principle of concealment is: Jiazi aligns with the sixth Wu, Jiaxu aligns with the sixth Ji, Jiashen aligns with the sixth Geng, Jiawu aligns with the sixth Xin, Jiachen aligns with the sixth Ren, and Jiayin aligns with the sixth Gui. Additionally, this is coordinated with the Nine Stars: Pen, Ren, Chong, Fu, Ying, Rui, Zhu, Xin, and Qin. ⭐
The divination of Qi Men Dun Jia is primarily divided into three plates—the Heaven Plate, the Door Plate (Human Plate), and the Earth Plate—symbolizing the Three Powers of Heaven, Earth, and Humanity. The Nine Palaces on the Heaven Plate distribute the Nine Stars; the Eight Palaces on the Middle Plate (with the Central Palace consigned to Palace Two) distribute the Eight Gates; and the Eight Palaces on the Earth Plate represent the eight directions, remaining stationary. Meanwhile, on both the Heaven Plate and the Earth Plate, each palace is assigned specific Wonders (Yi, Bing, Ding) and Instruments (the Six Instruments: Wu, Ji, Geng, Xin, Ren, Gui). In this way, based on specific dates and hours, the layout is arranged using the Six Instruments, Three Wonders, Eight Gates, and Nine Stars to divine the relationships, characteristics, and trends of affairs, and to select auspicious times and directions—this constitutes a unique category within Chinese mystical culture: Qi Men Dun Jia. 🔮
This preface reveals the three core philosophies of Qi Men Dun Jia:
The Trinitarian Integration of Heavenly Timing, Earthly Advantage, and Human Harmony: Qi Men Dun Jia employs a three-tier structure—the Heaven Plate (Nine Stars), Earth Plate (Eight Directions), and Human Plate (Eight Gates)—to simulate the operation of the cosmos. The essence of divination lies in locating the convergence point of heavenly timing, earthly advantage, and human harmony. The fundamental purpose of overlapping the three plates is to find the optimal position for the individual between celestial movements and geographical orientation at a specific moment.
The Concealment Philosophy of "Dun Jia": Jia, as the foremost of the Ten Heavenly Stems, is most revered, yet it does not manifest directly; instead, it conceals itself within the Six Instruments. This embodies a profound Eastern wisdom—the most precious is not displayed outwardly. As the Tao Te Ching states, "Great sound is inaudible; great form is formless"—the highest values often operate through indirect and hidden means. 🫥
A Cosmology of Time-Space Unity: Qi Men Dun Jia unifies the Twenty-Four Solar Terms (time) and the Nine Palaces/Eight Directions (space) within a single framework, reflecting the ancient cognizance that "within time there is space, and within space there is time." This is not merely a divination technique but a worldview—any event's occurrence is the product of the intersection of a specific time and a specific space.
Examining the fundamental structure of Qi Men Dun Jia from a contemporary perspective reveals deep conceptual resonance with several modern disciplines:
Systems Theory Thinking: Qi Men Dun Jia incorporates celestial bodies (Nine Stars), directions (Earth Plate), and human affairs (Eight Gates) into a single system for comprehensive judgment, highly consistent with modern system dynamics and multi-factor decision analysis in their mode of thinking. Modern decision theory likewise emphasizes that any decision must simultaneously consider the external environment (Heaven), one's own conditions (Humanity), and one's position (Earth).
Space-Time Encoding: By employing the permutations of Heavenly Stems and Earthly Branches, Nine Stars, and Eight Gates, Qi Men Dun Jia symbolically encodes time and space—a striking parallel to how modern computers encode information in binary and describe space-time using coordinate systems. Essentially, it constitutes an ancient information encoding system, using a cycle of 60 double-hours (5 days) to rearrange and decode spatio-temporal information.
Recognition of Cyclical Rhythms: The system of plate-layout based on the Twenty-Four Solar Terms reflects the ancients' meticulous observation of natural rhythms. 🌱 This aligns with the findings of modern circadian rhythm theory and chronobiology—the behavior of humans and all things is indeed influenced by the cyclical patterns of celestial movement and seasonal change.
The conceptual framework of Qi Men Dun Jia can be translated into the following practical applications in modern life:
| Ancient Application | Modern Transformation |
|---|---|
| Selecting auspicious times and directions for travel | Timing decisions: choosing the moment in key negotiations, contract signings, or interviews when one's own state and the environment are most harmoniously aligned |
| Judging the auspicious or inauspicious environment of affairs | Environmental assessment: comprehensively weighing the compatibility of temporal nodes, geographical locations, and interpersonal dynamics |
| Heaven Plate's Nine Stars for judging heavenly timing | Macro-trend analysis: evaluating the favorability or unfavorability of the overarching environment and trends |
| Human Plate's Eight Gates for judging human affairs | Interpersonal analysis: assessing the states and movements of partners, collaborators, and competitors |
| Earth Plate's Eight Directions for judging earthly advantage | Position strategy: selecting the optimal entry point in market competition |
Operational recommendation: Use Qi Men Dun Jia with the methodology of "hypothesis—action—review." First set a hypothetical goal, then choose a course of action based on plate analysis, afterward review and verify the accuracy of the judgment, and gradually accumulate an individual experiential database. 📊
The philosophical implication of "Dun Jia" merits deeper exploration. Jia Wood symbolizes the vitality and beginning of all things, yet chooses to conceal itself—this aligns with the thread of "inner sageliness, outer kingliness" in Chinese culture: true power lies not in outward display but in inner support. Qi Men Dun Jia's very name, centered on "Dun" (concealment), hints at a profound truth: the most critical elements are often not manifest on the surface, but hidden behind the visible structure.
Within the three-plate structure, the Earth Plate "remains stationary," while the Heaven Plate and Human Plate circulate with time. This structural design of "stillness within movement, and movement within stillness" reflects the ancients' dialectical understanding of change and constancy: direction (space) is a relatively stable container, while time (celestial phenomena and human affairs) is flowing energy—and the intersection of the two produces the alternation of fortune and misfortune. This resonates across a millennium with the concept in modern physics of "space-time as the background framework of events." 🌌