On Harmony (合)
Overall Paraphrased Meaning
Confucius said: Qian represents yang, Kun represents yin. 🌱 The interaction and fusion of yin and yang energies form the foundation of the Five Elements. All things receive life from heaven and form from earth; they gain energy from yang qi and take shape in yin qi. Nothing exists in isolation, so everything has its complementary counterpart.
In general: The Heavenly Stems (天干) belong to yang and symbolize heaven, while the Earthly Branches (地支) belong to yin and symbolize earth. Looking closer: The Heavenly Stems themselves are also divided into yin and yang—Jia (甲) is yang, Yi (乙) is yin; Bing (丙) is yang, Ding (丁) is yin; Wu (戊) is yang, Ji (己) is yin; Geng (庚) is yang, Xin (辛) is yin; Ren (壬) is yang, Gui (癸) is yin. Similarly, the Earthly Branches are divided into yin and yang—Zi (子) is yang, Chou (丑) is yin; Yin (寅) is yang, Mao (卯) is yin; Chen (辰) is yang, Si (巳) is yin; Wu (午) is yang, Wei (未) is yin; Shen (申) is yang, You (酉) is yin; Xu (戌) is yang, Hai (亥) is yin. They each symbolize heaven and earth and naturally pair with each other, much like the relationship between husband and wife.
The rules of Heavenly Stems pairing (天干相合) are as follows:
- Ji is the wife of Jia, so Jia pairs with Ji;
- Xin is the wife of Bing, so Bing pairs with Xin;
- Gui is the wife of Wu, so Gui pairs with Wu;
- Yi is the wife of Geng, so Yi pairs with Geng;
- Ding is the wife of Ren, so Ren pairs with Ding.
Ji's Theory of Yin and Yang explains:
🌳 Wood (Jia) fears the restraint of Metal (Geng), so it marries its sister Yi to Geng. Geng belongs to autumn metal, which harmonizes with wood energy, which is why shepherd's purse and wheat grow in autumn—this is the "meaning of the wife coming."
🔥 Fire (Bing) fears the restraint of Water (Ren), so it marries its sister Ding to Ren. Ren receives the heat of fire, which is why coltsfoot flowers bloom in winter.
⚔️ Metal (Geng) fears the restraint of Fire (Bing), so it marries its sister Xin to Bing. Bing receives metal energy, which is why in early summer, delicate grasses and wheat wither. After the summer solstice, there are three periods of intense heat (三伏天) because metal fears fire.
⛰️ Earth (Wu) fears the restraint of Wood (Jia), so it marries its sister Ji to Jia. Earth itself has both yin and yang attributes; by marrying yin softness to yang wood, it can transform and generate all things.
🌊 Water (Ren) fears the restraint of Earth (Wu), so it marries its sister Gui to Wu.
In this way, the Five Elements achieve a balance of mutual generation and harmony.
Earthly Branches pairing (地支相合) is determined based on the positions where the sun and moon meet in their orbits:
- First month (Zhengyue): Sun and moon meet at Zouzi (Hai palace), Big Dipper handle points to Yin, so Yin pairs with Hai.
- Second month: Meet at Jianglou (Xu palace), handle points to Mao, so Mao pairs with Xu.
- Third month: Meet at Daliang (You palace), handle points to Chen, so Chen pairs with You.
- Fourth month: Meet at Shichen (Shen palace), handle points to Si, so Si pairs with Shen.
- Fifth month: Meet at Chunshou (Wei palace), handle points to Wu, so Wu pairs with Wei.
- Sixth month: Meet at Chunhuo (Wu palace), handle points to Wei, so Wei pairs with Wu.
- Seventh month: Meet at Chunwei (Si palace), handle points to Shen, so Shen pairs with Si.
- Eighth month: Meet at Shouxing (Chen palace), handle points to You, so You pairs with Chen.
- Ninth month: Meet at Dahuo (Mao palace), handle points to Xu, so Xu pairs with Mao.
- Tenth month: Meet at Ximu (Yin palace), handle points to Hai, so Hai pairs with Yin.
- Eleventh month: Meet at Xingji (Chou palace), handle points to Zi, so Zi pairs with Chou.
- Twelfth month: Meet at Xuanxiao (Zi palace), handle points to Chou, so Chou pairs with Zi.
These star positions have their own meanings:
- Xuanxiao: Xuan means black, Xiao means exhaustion, symbolizing extreme yin energy where nothing has yet been born.
- Xingji: Ji means to govern, symbolizing the law of beginnings and endings of all things.
- Ximu: Indicates the initial sprouting of things, where water and wood differentiate.
- Dahuo: Corresponds to eastern wood; the Heart star is in Mao, fire emerges from the heart of wood.
- Shouxing: All things receive their destiny and begin to develop.
- Chunwei: The southern Vermilion Bird constellation, with the Zhen star as its tail.
- Chunhuo: Yang energy is abundant, with the Mars star at the center.
- Chunshou: Southern constellation, shaped like a bird, with the Well star as its crown and the Willow star as its mouth.
- Shichen: Yin energy is heavy, descending into things.
- Daliang: Means strong; after the White Dew, all things become firm.
- Jianglou: Jiang means to descend, Lou means to bend; yin energy rises and invades, causing things to wither and bend.
- Zouzi: Yin is abundant, yang is hidden; all things are sorrowful.
In the pairing of yin and yang, fortune and misfortune are always relative—there is no absolute misfortune nor sole fortune. Extreme fortune turns to misfortune, and extreme misfortune turns to fortune. Therefore, the principle of "separation" (离) is inherently contained within "harmony" (合).
In the system of matching Heavenly Stems and Earthly Branches with days, there exist "Five Harmonies" (五合) and "Five Separations" (五离):
Five Harmonies (as recorded in the Hetu):
- Jiayin (甲寅) and Yimao (乙卯) → Heaven and Earth Harmony
- Bingyin (丙寅) and Dingmao (丁卯) → Sun and Moon Harmony
- Wuyin (戊寅) and Jimao (己卯) → People Harmony
- Gengyin (庚寅) and Xinmao (辛卯) → Metal and Stone Harmony
- Renyin (壬寅) and Guimao (癸卯) → River Harmony
Five Separations:
- Jiashen (甲申) and Yiyou (乙酉) → Heaven and Earth Separation
- Bingshen (丙申) and Dingyou (丁酉) → Sun and Moon Separation
- Wushen (戊申) and Jiyou (己酉) → People Separation
- Gengshen (庚申) and Xinyou (辛酉) → Metal and Stone Separation
- Renshen (壬申) and Guiyou (癸酉) → River Separation
Yin and Mao are places where yang energy rises and nurtures growth; the sun and moon often rise here, representing the eastern lesser yang, where all things gather joyfully—hence harmony.
Shen and You are where yin energy converges, representing restraint and harvest; the sun and moon set here, representing the western lesser yin and decline, where all things wither and scatter—hence separation.
Jia and Yi are the first of the Stems, symbolizing heaven and earth;
Bing and Ding represent the peak of sunlight, analogous to the sun and moon;
Wu and Ji are central, nurturing all things, comparable to people;
Geng and Xin are inherently like metal and stone;
Ren and Gui have attributes similar to rivers.
In all matters, encountering harmony is auspicious, suitable for advancement, cooperation, and initiation; encountering separation is inauspicious, suitable for restraint, termination, and avoidance. This principle is widely applied in selecting dates, timing, and divination.
🧠 In-Depth Understanding
Core Concepts 💡
The dynamic balance of yin-yang and the Five Elements' harmony and separation permeates all things in heaven and earth. "Harmony" is not mere addition but the achievement of balance through the complementarity of different energies; "separation" is not complete rupture but the transformation and reorganization of energy phases.
Modern Interpretation 🌟
- Systems Thinking: The ancients used the pairing of Stems and Branches to construct a symbolic system explaining the operation of the world, similar to today's "relational models" or "energy field theories."
- Dynamic Balance: There is no eternal fortune or misfortune, akin to the modern management concept of "crisis as opportunity" or the ecological principle of "dynamic equilibrium."
- Symbolic Application: The principles of harmony and separation can extend to interpersonal relationships, team collaboration, and project cycle management, identifying when to "harmonize" (cooperate, advance) and when to "separate" (cut losses, adjust).
Practical Value ⚡
- Decision-Making Reference: Important initiatives can be started on "harmony days," such as signing contracts, partnerships, or openings; endings or adjustments can be made on "separation days," such as terminating contracts or exiting projects.
- Personal Development: Understanding the harmony and separation relationships in one's Bazi (八字) can optimize career choices, partners, and timing of important actions.
- Environmental Harmony: In home layout, directions, colors, and materials can be used to simulate a "harmonious" energy field, promoting balance.
Philosophical Reflection 🤔
The Dao of harmony and separation is essentially a "philosophy of change":
- It rejects absolute, fixed judgments.
- It emphasizes dynamic wisdom in timing, position, and relational networks.
- It shares lineage with the I Ching's "adapting to the times" and Daoist "interdependence of yin and yang."
📚 Related Knowledge
Related Concepts:
- Heavenly Stems and Earthly Branches, Yin-Yang and Five Elements, Star Positions and Divisions, Lunar Mansions and Monthly Commands
- Conflicts, Clashes, Breaks, and Harms (other interactive relationships complementary to harmony and separation)
- Nayin Five Elements, Shensha System (detailed applications of harmony and separation)
Further Reading:
- Relevant chapters of Wuxing Dayi (五行大义): On Life and Death, On Conflicts and Breaks
- Sanming Tonghui (三命通会), Volume 2: "On Heavenly Stems Harmony," Volume 3: "On Earthly Branches Harmony"
- Harmony and Transformation chapters of Yuanhai Ziping (渊海子平)
Modern Research:
- Conditions and prioritization of Stem-Branch harmony in fate prediction
- Statistical validation of harmony and separation relationships (e.g., event tendencies on specific Stem-Branch days)
- Analogous applications of harmony and separation principles in psychological counseling and team management
