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五行：属木
性别：属阳
方位：东方
气：长生在亥，沐浴在子，冠带在丑，临官在寅，帝旺在卯（以上为气之盛）；
衰于辰，病于己，死于午，墓于未，绝于早，胎于酉，养于（以上为气之衰）。
势：旺于春（最旺），相于冬（次旺）；
休于夏（衰），囚于四立前各十八天（次衰）；
死于秋（最衰），按四立为立春，立夏，立秋，立冬。
生：甲生丙丁已午；
壬癸亥子生甲。
克甲：克戊己辰戌丑未；
庚辛申酉克甲。
合：甲己相合。
化：日干为甲，逢己土，在辰戌丑未月则化土。
例：
生甲 癸巳甲生病
甲克、合甲己未甲克墓
阳木囚于立秋前十八天甲午甲生死
甲克戊辰甲克衰
五行：属木
性别：属阴
方位：东方
气：长生在午，沐浴在巳，冠带在辰，临官在卯，帝旺在寅（以上为气之盛）；
衰于丑，病于子，死于亥，墓在戌，绝于酉，胎于申，养于未（以上为气之衰）。
势：旺于春（最旺），相于冬（次旺）；
休于夏（衰），囚于四立前各十八天（次衰），死于秋（最衰）。
生：乙生丙丁巳午；
壬癸亥子生乙。
克：乙克戊己辰戌丑未；
庚辛申酉克乙。
合：乙庚相合
化：日干为乙，逢庚金，在巳酉丑申月则化金。
例：
生乙癸酉克乙绝
克乙、合乙庚申克乙胎
阴木死于秋乙己乙生沐浴
合乙、合乙庚辰乙克冠带
五行：属火
性别：属阳
方位：南方
气：长生在寅，沐浴在卯，冠带在辰，临官在巳，帝旺在午（以上为气之盛）；
衰于未，病于申，死于酉，墓于戌，绝于亥，胎于子，养于丑（以上为气之衰）。
势：旺于夏（最旺），相于春（次旺）；
休于四立前各十八天（衰）囚于秋（次衰），死于冬（最衰）。
生：丙生戊己辰戌丑未；
甲乙寅卯生丙。
克：丙克庚辛申酉；
壬癸亥子克丙。
合：丙辛相合
化；日干为丙，逢辛金，在亥申子辰月则化水。
例：
克丙壬申丙春病
丙克、合丙辛亥克丙绝
阳火死于冬丙子克丙胎
克丙壬辰丙生冠带
五行：属火
性别：属阴
方位：南方
气：长生在酉，沐浴在申，冠带在未，临官在午，帝旺在巳（以上为气之盛）；
衰于辰，病于卯，死于寅，墓于丑，绝于子，胎于亥，养于戌（以下为气之衰）。
势：旺于夏（最旺），相于春（次旺）；
休于四立前各十八天（衰），囚于秋（次衰），死于冬（最衰）。
生：丁生戊己辰戌丑未；
甲乙寅卯生丁。
克：丁克庚辛申酉；
壬癸亥子克丁。
合：丁壬相合
化：日干为丁，逢壬水在亥卯未寅月则化木。
例：
同丁丁卯生丁病
克丁、合丁壬寅生丁死
阴火相于春丁亥克丁胎
生丁甲辰丁生衰
五行：属土
性别：属阳
方位：中央
气：长生在寅沐浴在卯，冠带在辰，临官在巳，帝旺在午（以上为气之盛）；
衰于未，病于申，死于酉，墓于戌，绝于亥，胎于子，养于丑（以上为气之衰）。
势：旺于四立前各十八天（最旺），相于夏（次旺），休于秋（衰），囚于冬（次衰），死于春（最衰）。
生：戊生庚辛申酉；
丙丁巳午生戊。
克：戊克壬癸亥子；
甲乙寅卯克戊。
合：戊癸相合
化：日干为戊，逢癸水，在寅午戌巳月则化火。
例：
生戊丙寅克戊长生
戊克、合戊癸巳生戊临官
阳土相于夏戊午生戊帝旺
生戊丙辰同戊冠带
五行：属土
性别：属阴
方位：中央
气：长生在酉，沐浴在申，冠带在未，临官在午，帝旺在巳（以上为气之盛）；
衰于辰，病于卯，死于寅，墓于丑，绝于子，胎于亥，养于戌（以上为气之衰）。
势：旺于四立前各十八天（最旺），相于夏（次旺），休于秋（衰），囚于冬（次衰），死于春（最衰）。
生：己生庚辛申酉；
丙丁巳午生己。
克：己克壬亥子；
甲乙寅卯克己。
合：甲己相合。
化：日干为巳，逢甲木，在辰戌丑未月，则化为纯土。
例：
己克丁午生己临官
己生辛未同己冠带
阴土旺于立秋前十八天己巳生己旺
同己戊辰同己衰
五行：属金
性别：属阳
方位：西方
气：长在在巳，沐浴在午，冠带在未，临官在申，帝旺在酉（以上为气之盛）；
衰于戌，病于亥，死于子，墓于丑，绝于寅，胎于卯，养于辰（以上为气之衰）。
势：旺于秋（最旺），相于四立前各十八天（次旺），休于冬（衰），囚于春（次衰），死于夏（最衰）。
生：庚生壬癸亥子，
戊己辰戌丑未生庚。
克：庚克甲乙寅卯；
丙丁巳午克庚。
合：乙庚相合
化：日干为庚，逢乙木，若在巳酉丑申月，则花为纯金。
例：
庚克乙巳克庚生
合庚、庚克乙酉同庚旺
阳金旺于秋庚申同庚临官
同庚庚辰生庚养
五行：属金
性别：属阴
方位：西方
气：长生在子，沐浴在亥，冠带在戌，临官在酉，帝旺在申（以上为气之盛）；
衰于未，病于午，死于巳，墓于辰，绝于卯，胎于寅，养于丑（以上为气之衰）。
势：旺于秋（最旺），相于四位前各十八天（次旺），休于冬（衰），囚于春（次衰），死于夏（最衰）。
生：辛生壬癸亥子；戊己辰戌丑未生辛。
克：辛克甲乙寅卯；丙丁巳午克辛。
合：丙辛相合。
化：日干为辛，逢丙火，在申子辰亥月则化水。
例：
辛克甲申同辛旺
克辛、合辛丙子辛生生
阴金休于冬辛亥辛生沐浴
辛生壬辰生辛墓
五行：属水
性别：属阳
方位：北方
气：长生在申，沐浴在酉，冠带在戌，临官在亥。帝旺在子（以上为气之盛）；
衰于丑，病于寅，死于卯，墓于辰，绝于巳，胎于午，养于未（以上为气之衰）。
势：旺于冬（最旺），相于秋（次旺）休于春（衰），囚于夏（次衰），死于四立前各十八日（最衰）。
生：壬生甲乙寅卯；庚辛申酉生壬。
克：壬克丙丁巳午；戊己辰戌丑未克壬。
合：丁壬相合。
化：日干为壬，逢丁火，在亥卯未寅月则化为木。
例：
壬生甲寅壬生病
壬克、合壬丁卯壬生死
阳水休于春壬午壬克胎
壬生甲辰克壬墓
五行：属水
性别：属阴
方位：北方
气：长生在卯，沐浴在寅，冠带在丑，临官在子，帝旺在亥（以上为气之盛）；
衰于戌，病于酉，死于申，墓于未，绝于午，胎于巳，养于辰（以上为气之盛）。
势：旺于冬（最旺），相于秋（次旺），休于春（衰），囚于夏（次衰），死于四立前各十八天（最衰）。
生：癸生甲乙寅卯；庚辛申酉生癸。
克：癸生丙丁巳午；戊己辰戌丑未克癸。
合：戊癸相合
化：日干为癸，逢戊土，在寅午戌巳月则化火。
例：
同癸癸巳癸克胎
克癸、合癸戊午癸克绝
阴水囚于夏癸巳癸克胎
癸克丙辰克癸养
Overall Interpretation
Jia Wood is Yang Wood, symbolizing towering trees 🌳, and is associated with the East. Its energy state follows the Twelve Growth Stages: it begins to grow in Hai month, is cleansed like bathing in Zi month, becomes formal like wearing a crown in Chou month, reaches an official state in Yin month, and peaks (Emperor’s Prosperity) in Mao month—these are phases of strong energy. From Chen month, it starts to decline: sick in Si month, dead in Wu month, entombed in Wei month, extinct in Shen month, conceiving in You month, and nourishing in Xu month—these are phases of weak energy.
Jia Wood is most prosperous in spring 🔥, followed by winter; it declines in summer, is trapped in the 18 days before the transition of seasons (18 days before the start of spring, summer, autumn, and winter), and is weakest in autumn.
Generative and controlling relationships: Jia Wood generates Bing and Ding Fire (Si and Wu) and is generated by Ren and Gui Water (Hai and Zi); Jia Wood controls Wu and Ji Earth (Chen, Xu, Chou, and Wei) and is controlled by Geng and Xin Metal (Shen and You).
Special relationships: Jia and He combine. When the day stem is Jia Wood and it encounters Ji Earth in Chen, Xu, Chou, or Wei months, it transforms into Earth.
Case Analysis:
Gui Si: Gui Water generates Jia Wood, but Jia Wood is in a sick state in Si month.
Jia Ji Wei: Jia Wood controls Ji Earth, and Jia Wood is entombed in Wei month.
Jia Wu: Jia Wood is in a dead state in Wu month.
Jia Wu Chen: Jia Wood controls Wu Earth, and Jia Wood declines in Chen month.
Jia Wood represents growth, breakthrough, and leadership. Its energy waxes and wanes with the seasons, requiring Water for nourishment and avoiding excessive control by Metal.
In modern society, Jia Wood individuals are suited for careers requiring growth and development, such as management and education. Those born in spring have the greatest potential, while those born in autumn need to focus on adjustment and rest.
Understanding the characteristics of Jia Wood aids in career choices and life planning. When Jia Wood is strong, it is advisable to be proactive; when weak, it is better to maintain stability.
The cycle of growth and decline of Jia Wood reflects natural laws, reminding us to respect rhythms and act appropriately at the right time.
Overall Interpretation
Yi Wood is Yin Wood, like vines and flowers 🌿, and is associated with the East. Energy state: grows in Wu month, bathes in Si month, wears a crown in Chen month, becomes an official in Mao month, and peaks (Emperor’s Prosperity) in Yin month (prosperous); declines in Chou month, sick in Zi month, dead in Hai month, entombed in Xu month, extinct in You month, conceiving in Shen month, and nourishing in Wei month (weak).
Yi Wood is most prosperous in spring, followed by winter; it declines in summer, is trapped in the 18 days before the transition of seasons, and is dead in autumn.
Generative and controlling relationships: generates Bing and Ding Fire (Si and Wu), and is generated by Ren and Gui Water (Hai and Zi); controls Wu and Ji Earth (Chen, Xu, Chou, and Wei), and is controlled by Geng and Xin Metal (Shen and You).
Special: Yi and Geng combine. When the day stem is Yi Wood and it encounters Geng Metal in Si, You, Chou, or Shen months, it transforms into Metal.
Case Analysis:
Gui You: Gui Water generates Yi Wood, but You Metal controls Yi Wood (extinct state).
Yi Geng Shen: Yi and Geng combine, and Shen Metal controls Yi Wood (conceiving state).
Yi Si: Yi Wood is in a dead state in autumn, but Si Fire generates Yi Wood (bathing state).
Yi Geng Chen: Yi and Geng combine, and Yi Wood controls Earth (crown-wearing state).
Yi Wood is flexible and adaptable, requiring support and collaboration. Excessive control by Metal damages its vitality.
Yi Wood individuals are suited for flexible work such as art and consulting, and should collaborate with strong partners to realize their value.
Yi Wood day masters should seek partners and avoid making major decisions in autumn.
Overall Interpretation
Bing Fire is Yang Fire, like the sun 🔥, and is associated with the South. Energy state: grows in Yin month, bathes in Mao month, wears a crown in Chen month, becomes an official in Si month, and peaks (Emperor’s Prosperity) in Wu month (prosperous); declines in Wei month, sick in Shen month, dead in You month, entombed in Xu month, extinct in Hai month, conceiving in Zi month, and nourishing in Chou month (weak).
Bing Fire is most prosperous in summer, followed by spring; it declines in the 18 days before the transition of seasons, is trapped in autumn, and is dead in winter.
Generative and controlling relationships: generates Wu and Ji Earth (Chen, Xu, Chou, and Wei), and is generated by Jia and Yi Wood (Yin and Mao); controls Geng and Xin Metal (Shen and You), and is controlled by Ren and Gui Water (Hai and Zi).
Special: Bing and Xin combine. When the day stem is Bing Fire and it encounters Xin Metal in Hai, Shen, Zi, or Chen months, it transforms into Water.
Case Analysis:
Ren Shen: Ren Water controls Bing Fire, and Bing Fire is in a sick state in Shen month.
Bing Xin Hai: Bing and Xin combine, and Hai Water controls Bing Fire (extinct state).
Bing Zi: Bing Fire is in a conceiving state in Zi month (dead in winter).
Ren Chen: Ren Water controls Bing Fire, but Bing Fire is in a crown-wearing state in Chen month.
Bing Fire represents passion, brightness, and energy. It requires Wood for support and avoids excessive control by Water.
Bing Fire individuals are suited for leadership and creative work requiring passion. Those born in winter need to conserve energy.
Overall Interpretation
Ding Fire is Yin Fire, like a candle 🕯️, and is associated with the South. Energy state: grows in You month, bathes in Shen month, wears a crown in Wei month, becomes an official in Wu month, and peaks (Emperor’s Prosperity) in Si month (prosperous); declines in Chen month, sick in Mao month, dead in Yin month, entombed in Chou month, extinct in Zi month, conceiving in Hai month, and nourishing in Xu month (weak).
Ding Fire is most prosperous in summer, followed by spring; it declines in the 18 days before the transition of seasons, is trapped in autumn, and is dead in winter.
Generative and controlling relationships: generates Wu and Ji Earth (Chen, Xu, Chou, and Wei), and is generated by Jia and Yi Wood (Yin and Mao); controls Geng and Xin Metal (Shen and You), and is controlled by Ren and Gui Water (Hai and Zi).
Special: Ding and Ren combine. When the day stem is Ding Fire and it encounters Ren Water in Hai, Mao, Wei, or Yin months, it transforms into Wood.
Case Analysis:
Ding Mao: Ding Fire is in a sick state in Mao month, but Mao Wood generates Ding Fire.
Ding Ren Yin: Ding and Ren combine, and Yin Wood generates Ding Fire (dead state).
Ding Hai: Ding Fire is in a conceiving state in Hai month (resting in winter).
Jia Chen: Jia Wood generates Ding Fire, and Ding Fire is in a declining state in Chen month.
Ding Fire requires continuous fuel, representing endurance and focus. Excessive Water extinguishes it, while abundant Wood strengthens it.
Ding Fire individuals are suited for research and technical work requiring focus and should maintain a stable energy source.
Overall Interpretation
Wu Earth is Yang Earth, like a high mountain ⛰️, and is associated with the Center. Energy state: grows in Yin month, bathes in Mao month, wears a crown in Chen month, becomes an official in Si month, and peaks (Emperor’s Prosperity) in Wu month (prosperous); declines in Wei month, sick in Shen month, dead in You month, entombed in Xu month, extinct in Hai month, conceiving in Zi month, and nourishing in Chou month (weak).
Wu Earth is most prosperous in the 18 days before the transition of seasons, followed by summer; it declines in autumn, is trapped in winter, and is dead in spring.
Generative and controlling relationships: generates Geng and Xin Metal (Shen and You), and is generated by Bing and Ding Fire (Si and Wu); controls Ren and Gui Water (Hai and Zi), and is controlled by Jia and Yi Wood (Yin and Mao).
Special: Wu and Gui combine. When the day stem is Wu Earth and it encounters Gui Water in Yin, Wu, Xu, or Si months, it transforms into Fire.
Case Analysis:
Bing Yin: Bing Fire generates Wu Earth, but Yin Wood controls Wu Earth (growth state).
Wu Gui Si: Wu and Gui combine, and Si Fire generates Wu Earth (official state).
Wu Wu: Wu Earth is in Emperor’s Prosperity in Wu month (prosperous in summer).
Bing Chen: Bing Fire generates Wu Earth, and Wu Earth is in a crown-wearing state in Chen month.
Wu Earth represents stability, support, and trust. It requires Fire for support and avoids excessive control by Wood.
Wu Earth individuals are suited for stable work such as management and engineering. Those born in spring need to beware of risks related to change.
Overall Interpretation
Ji Earth is Yin Earth, like farmland 🌱, and is associated with the Center. Energy state: grows in You month, bathes in Shen month, wears a crown in Wei month, becomes an official in Wu month, and peaks (Emperor’s Prosperity) in Si month (prosperous); declines in Chen month, sick in Mao month, dead in Yin month, entombed in Chou month, extinct in Zi month, conceiving in Hai month, and nourishing in Xu month (weak).
Ji Earth is most prosperous in the 18 days before the transition of seasons, followed by summer; it declines in autumn, is trapped in winter, and is dead in spring.
Generative and controlling relationships: generates Geng and Xin Metal (Shen and You), and is generated by Bing and Ding Fire (Si and Wu); controls Ren and Gui Water (Hai and Zi), and is controlled by Jia and Yi Wood (Yin and Mao).
Special: Jia and Ji combine. When the day stem is Ji Earth and it encounters Jia Wood in Chen, Xu, Chou, or Wei months, it transforms into Earth.
Case Analysis:
Ding Wu: Ding Fire generates Ji Earth, and Ji Earth is in an official state in Wu month.
Xin Wei: Xin Metal is generated by Ji Earth, and Ji Earth is in a crown-wearing state in Wei month.
Ji Si: Ji Earth is in Emperor’s Prosperity in Si month (prosperous before the start of autumn).
Wu Chen: Wu Earth is similar to Ji Earth, and Ji Earth is in a declining state in Chen month.
Ji Earth represents nourishment,包容, and transformation. It requires Fire for warmth and avoids excessive control by Wood.
Ji Earth individuals are suited for nurturing work such as agriculture and services, focusing on practicality and details.
Overall Interpretation
Geng Metal is Yang Metal, like a sword ⚔️, and is associated with the West. Energy state: grows in Si month, bathes in Wu month, wears a crown in Wei month, becomes an official in Shen month, and peaks (Emperor’s Prosperity) in You month (prosperous); declines in Xu month, sick in Hai month, dead in Zi month, entombed in Chou month, extinct in Yin month, conceiving in Mao month, and nourishing in Chen month (weak).
Geng Metal is most prosperous in autumn, followed by the 18 days before the transition of seasons; it declines in winter, is trapped in spring, and is dead in summer.
Generative and controlling relationships: generates Ren and Gui Water (Hai and Zi), and is generated by Wu and Ji Earth (Chen, Xu, Chou, and Wei); controls Jia and Yi Wood (Yin and Mao), and is controlled by Bing and Ding Fire (Si and Wu).
Special: Yi and Geng combine. When the day stem is Geng Metal and it encounters Yi Wood in Si, You, Chou, or Shen months, it transforms into Metal.
Case Analysis:
Yi Si: Yi Wood is controlled by Geng Metal, but Si Fire controls Geng Metal (growth state).
Yi You: Yi and Geng combine, and Geng Metal is in Emperor’s Prosperity in You month.
Geng Shen: Geng Metal is in an official state in Shen month (prosperous in autumn).
Geng Chen: Geng Metal is in a nourishing state in Chen month, and Earth generates Metal.
Geng Metal represents sharpness, decisiveness, and change. It requires Earth for support and avoids excessive control by Fire.
Geng Metal individuals are suited for decisive work such as law and military. Those born in summer need to beware of impulsiveness.
Overall Interpretation
Xin Metal is Yin Metal, like jewelry 💎, and is associated with the West. Energy state: grows in Zi month, bathes in Hai month, wears a crown in Xu month, becomes an official in You month, and peaks (Emperor’s Prosperity) in Shen month (prosperous); declines in Wei month, sick in Wu month, dead in Si month, entombed in Chen month, extinct in Mao month, conceiving in Yin month, and nourishing in Chou month (weak).
Xin Metal is most prosperous in autumn, followed by the 18 days before the transition of seasons; it declines in winter, is trapped in spring, and is dead in summer.
Generative and controlling relationships: generates Ren and Gui Water (Hai and Zi), and is generated by Wu and Ji Earth (Chen, Xu, Chou, and Wei); controls Jia and Yi Wood (Yin and Mao), and is controlled by Bing and Ding Fire (Si and Wu).
Special: Bing and Xin combine. When the day stem is Xin Metal and it encounters Bing Fire in Shen, Zi, Chen, or Hai months, it transforms into Water.
Case Analysis:
Jia Shen: Xin Metal controls Jia Wood, and Xin Metal is in Emperor’s Prosperity in Shen month.
Bing Zi: Bing and Xin combine, and Zi Water is the growth state of Xin Metal.
Xin Hai: Xin Metal is in a bathing state in Hai month (resting in winter).
Ren Chen: Ren Water is generated by Xin Metal, and Xin Metal is in an entombed state in Chen month.
Xin Metal represents refinement, nobility, and sensitivity. It requires Earth for support and avoids excessive control by Fire.
Xin Metal individuals are suited for refined work such as art and finance, focusing on quality and details.
Overall Interpretation
Ren Water is Yang Water, like rivers 🌊, and is associated with the North. Energy state: grows in Shen month, bathes in You month, wears a crown in Xu month, becomes an official in Hai month, and peaks (Emperor’s Prosperity) in Zi month (prosperous); declines in Chou month, sick in Yin month, dead in Mao month, entombed in Chen month, extinct in Si month, conceiving in Wu month, and nourishing in Wei month (weak).
Ren Water is most prosperous in winter, followed by autumn; it declines in spring, is trapped in summer, and is dead in the 18 days before the transition of seasons.
Generative and controlling relationships: generates Jia and Yi Wood (Yin and Mao), and is generated by Geng and Xin Metal (Shen and You); controls Bing and Ding Fire (Si and Wu), and is controlled by Wu and Ji Earth (Chen, Xu, Chou, and Wei).
Special: Ding and Ren combine. When the day stem is Ren Water and it encounters Ding Fire in Hai, Mao, Wei, or Yin months, it transforms into Wood.
Case Analysis:
Jia Yin: Ren Water generates Jia Wood, but Ren Water is in a sick state in Yin month.
Ding Mao: Ding and Ren combine, and Ren Water is in a dead state in Mao month.
Ren Wu: Ren Water is in a conceiving state in Wu month (resting in spring).
Jia Chen: Ren Water generates Jia Wood, but Chen Earth controls Ren Water (entombed state).
Ren Water represents flow, wisdom, and adaptability. It requires Metal for support and avoids excessive control by Earth.
Ren Water individuals are suited for流动 work such as trade and transportation. Those born in spring need to pay attention to stability issues.
Overall Interpretation
Gui Water is Yin Water, like dew 💧, and is associated with the North. Energy state: grows in Mao month, bathes in Yin month, wears a crown in Chou month, becomes an official in Zi month, and peaks (Emperor’s Prosperity) in Hai month (prosperous); declines in Xu month, sick in You month, dead in Shen month, entombed in Wei month, extinct in Wu month, conceiving in Si month, and nourishing in Chen month (weak).
Gui Water is most prosperous in winter, followed by autumn; it declines in spring, is trapped in summer, and is dead in the 18 days before the transition of seasons.
Generative and controlling relationships: generates Jia and Yi Wood (Yin and Mao), and is generated by Geng and Xin Metal (Shen and You); controls Bing and Ding Fire (Si and Wu), and is controlled by Wu and Ji Earth (Chen, Xu, Chou, and Wei).
Special: Wu and Gui combine. When the day stem is Gui Water and it encounters Wu Earth in Yin, Wu, Xu, or Si months, it transforms into Fire.
Case Analysis:
Gui Si: Gui Water is in a conceiving state in Si month, but Si Fire consumes Gui Water.
Wu Wu: Wu and Gui combine, and Gui Water is in an extinct state in Wu month.
Gui Si: Gui Water is in a conceiving state in Si month (trapped in summer).
Bing Chen: Gui Water controls Bing Fire, but Chen Earth controls Gui Water (nourishing state).
Gui Water represents moisture, wisdom, and渗透. It requires Metal for support and avoids excessive control by Earth.
Gui Water individuals are suited for wisdom-based work such as research and consulting, focusing on depth and connotation.
The theory of the Ten Heavenly Stems reflects ancient China’s profound observation of natural laws, unifying time, space, and energy states into one system. Modern individuals can interpret it as a philosophy of energy management, helping us understand our traits, seize opportunities, and act appropriately at the right time.
Each Heavenly Stem has its unique energy characteristics and operational laws. Understanding these laws helps us better understand ourselves, plan our lives, and make wiser decisions in career choices, interpersonal relationships, health management, and other aspects.