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Chapter 25 of 50
基础知识
We have previously discussed the Five Combinations of Heavenly Stems, the Six Combinations of Earthly Branches, and the Triple Combinations of Earthly Branches. This article focuses on a relatively obscure yet extremely practical concept—the Hidden Combinations of Earthly Branches.
What we call overt combinations include the Five Combinations of Heavenly Stems, the Six Combinations of Earthly Branches, and the Triple Combinations. Their essence lies in open, proper, and rule-abiding cooperative relationships between stems and branches. The Five Combinations of Heavenly Stems embody the principle of mutual complementation between yin and yang, conforming to the laws of heaven and earth and social ethics; the Triple and Six Combinations resemble alliances between friends—shared interests, mutual exchange, and even the formation of teams. Hidden combinations, however, are entirely different—they reveal a special circumstance beyond normal stem-branch relationships: private, concealed, and unpublicized covert connections, carrying a connotation of "secret dealings."
Between secretly combining branches, there is no obvious or special connection on the surface, yet upon closer examination, a different world unfolds. Although hidden combinations do not affect the determination of a chart's formation (格局), they are extremely valuable at the level of image interpretation (取象).
There are five groups of hidden combinations between earthly branches: Zi-Si hidden combination, Yin-Wu hidden combination, Si-You hidden combination, Mao-Shen hidden combination, and Hai-Wu hidden combination.
Why do hidden combinations of earthly branches occur? The Guang Lu (广录) states: "Between Yin and Wu, there arises the qi of Jia-Yi earth; between Zi and Si, there arises the qi of Wu-Gui fire; between Si and You, there arises the qi of Bing-Xin water; between Mao and Shen, there arises the qi of Yi-Geng metal; between Hai and Wu, there arises the qi of Ding-Ren water—all rest upon their prosperity positions (禄)." This passage succinctly reveals the origin of hidden combinations—they stem from the Five Combinations of Heavenly Stems. Hidden combinations are not direct combinations between earthly branches themselves, but rather combinations occurring between the hidden heavenly stems within those branches—a latent manifestation of heavenly stem combination relationships at the earthly branch level. Specifically:
It is worth noting that Yin-Wu and Si-You are simultaneously half-combinations and hidden combinations. So in practical chart interpretation, which type of combination takes precedence? The answer is: there is no distinction of primary and secondary. Half-combinations have their imagery, and hidden combinations have theirs—they operate in parallel without conflict. Taking Yin-Wu as an example: within the framework of the triple combination, Yin leanstoward Wu fire as the central element; Wu is the "leader," Yin is the "team member," and Yin serves Wu. When discussing themes of partnership, leadership, or teamwork, this imagery can be applied. But how does one interpret Yin-Wu at the hidden combination level? Why does Yin secretly combine with Wu? Because the Jia wood hidden within Yin seeks to obtain the Ji earth hidden within Wu—Ji earth is the direct wealth (正财) of Jia wood, which can be understood as the "monetary compensation" Wu offers to Yin. From Wu's perspective, the Ji earth hidden within Wu seeks to obtain the Jia wood hidden within Yin as its direct officer (正官)—the direct officer represents career and position, meaning Wu uses "wealth" (Ji earth) to attract Jia wood within Yin to serve it. This is the deepest underlying motivation. The Si-You hidden combination can be deduced by the same logic.
Now discussing the Zi-Si hidden combination: The Gui water within Zi secretly combines with the Wu earth within Si. Zi secretly combines with Si, aiming to acquire everything hidden within Si—Bing fire is Gui water's wealth, Wu earth is Gui water's direct officer, and Geng metal is Gui water's direct seal. Wealth, officer, and seal are all desired at once, revealing Zi's extremely strong desires. Moreover, Zi water inherently overcomes Si fire, creating a complex relationship of combining while also clashing. From another angle, Si is like a "nouveau riche"—possessing money (wealth), a career (officer), and property (seal)—thereby attracting the Gui water within Zi to serve it. Gui water is also Wu earth's indirect wealth, which can represent a wife or girlfriend. It is perfectly natural for a man to attract the opposite sex with wealth, status, and property.
The Hai-Wu hidden combination case: The core involves the Ren water hidden within Hai combining with the Ding fire hidden within Wu, but there is another layer—the Jia wood hidden within Hai also combines with the Ji earth hidden within Wu. Therefore, the Hai-Wu hidden combination relationship is relatively complex, requiring careful discernment when interpreting imagery. The two parties have relatively equal standing, each taking what they need, and each seeks a greater number of things from the other.
The logic of the Mao-Shen hidden combination is comparatively straightforward, so it will not be elaborated upon here.
There is one more hidden combination not listed above, namely the Yin-Chou hidden combination. This group is extremely important and highly distinctive. The Jia, Wu, and Bing hidden within Yin combine pairwise with the Ji, Gui, and Xin hidden within Chou, creating an exceptionally tight bond. Yin and Chou both belong to the northeast direction in terms of positioning (Gen trigram) and are adjacent, hence their opportunities for "secret communication" far exceed those of other hidden combination pairs. Yin is wood, and Chou is the metal treasury; when Yin secretly combines with Chou, it must enter the metal treasury, a process that is relatively laborious and exerting.
The above covers the origins of hidden combinations among earthly branches and their basic interpretive framework. It must be strongly emphasized: hidden combinations do not affect formation judgment; they only function at the level of image interpretation. Skillful application of this concept in practical chart analysis can make the reading more affluent and multi-dimensional.
The concept of hidden combinations essentially describes those informal, undisclosed, and private exchanges of interest and emotional connections in human relationships. In a contemporary context, the imagery of hidden combinations can be mapped as follows:
| Hidden Combination | Core Mechanism | Modern Analogy |
|---|---|---|
| Yin-Wu | Jia wood (subordinate) seeks Ji earth (salary); Ji earth seeks an officer (platform) | The implicit employment understanding between employee and boss, mutually dependent needs |
| Zi-Si | Gui water covets Bing (wealth), Wu (officer), Geng (seal) | An individual drawn to a platform on all fronts, pursuing both profit and prestige |
| Si-You | Bing fire combines with Xin metal | Covert integration between technical capability and capital |
| Mao-Shen | Yi wood combines with Geng metal | Resource integration of softness with hidden strength—seemingly gentle yet actually in control |
| Hai-Wu | Ren water combines with Ding fire; Jia wood combines with Ji earth | Complex relationships woven with multiple overlapping interests, each taking what they need |
| Yin-Chou | Three pairs of hidden stems all combine, exceptionally tight | Deep collaboration with highly intertwined interests that is difficult to separate |
The existence of hidden combinations fundamentally illustrates the multi-layered nature of yin-yang interaction. The "combinations" visible on the surface resemble the publicly displayed social order, while the hidden "combinations" suggest a fundamental philosophical proposition: behind every overt structure, there are always hidden forces in operation. 🌱
From the perspective of classical Chinese metaphysics, hidden combinations embody the taiji principle of "yin within yang, yang within yin." Earthly branches are already relatively yin in nature (compared to heavenly stems), and the combinations between their hidden stems are even more concealed, forming a subtle connection of "yin within yin." This suggests that our judgment of things should not remain solely at the level of explicit information but should also pay attention to the hidden driving forces behind them.
Moreover, the characteristic that hidden combinations "do not affect formation" also reveals a judicious methodology: structure determines the nature; imagery determines the details. Formation is like a person's social identity and fundamental framework, while hidden combinations are like their private behavioral patterns and hidden motives—they belong to different dimensions, cannot be conflated, yet both are indispensable.
| Concept | Relationship with Hidden Combinations |
|---|---|
| Five Combinations of Heavenly Stems | The root cause of hidden combinations; hidden combinations are the Five Combinations occurring at the hidden-stem level |
| Six Combinations of Earthly Branches | A type of overt combination, serving as the counterpart to hidden combinations |
| Triple/Half Combinations of Earthly Branches | Yin-Wu and Si-You are both half-combinations and hidden combinations; interpretive contexts must be distinguished |
| Hidden Stems of Earthly Branches | The material basis of hidden combinations; their content determines the specific meaning of a hidden combination |
| Prosperity Positions (禄) | Hidden combinations are closely related to "prosperity"—both branches in a hidden combination correspond to the prosperity positions of their respective hidden stems |
| Formation (格局) | Hidden combinations do not affect formation; they are only used for image interpretation |
| Ten Gods (十神) | The Ten God relationships between the hidden stems involved in a hidden combination are the core basis for interpretation |