FAQ
What Is BaZi?
BaZi, also known as Four Pillars destiny analysis, is a traditional Chinese system of interpretation. It uses a person’s birth year, month, day, and hour as the basis for four pillars. Each pillar contains one Heavenly Stem and one Earthly Branch, forming eight characters in total.
BaZi is not simply fortune-telling. Through Five Element interactions, Yin-Yang balance, Ten Gods relationships, and changes in luck cycles, it is used to observe personality tendencies, innate talents, relationships, career and wealth patterns, and the rises and falls of different life stages. Its core idea is to understand the relationship between a person, time, and the rhythms of nature.
A Brief History
As early as the pre-Qin period, ancient Chinese thinkers had already developed the Heavenly Stems and Earthly Branches system for recording years, months, days, and hours. They also used Yin-Yang and the Five Elements to explain changes in nature and patterns in society. The Book of Changes, with its emphasis on Yin-Yang transformation, laid an important theoretical foundation for later destiny studies.
By the Han dynasty, Yin-Yang and Five Element theory had become widely influential, and people began connecting birth time with personality and fate. During the Wei, Jin, and Northern and Southern dynasties, destiny techniques developed further, though they were still mostly based on broader methods such as year-based readings and Na Yin.
After the Tang dynasty, the system gradually matured, and methods appeared that analyzed a chart through the combined birth year, month, day, and hour. Li Xuzhong is often regarded by later generations as an important early figure in destiny studies. His method of reading from the year, month, and day pillars had a lasting influence.
The person who truly established the modern BaZi framework was the Song dynasty scholar Xu Ziping. Building on earlier methods, he formalized a system centered on the four pillars of year, month, day, and hour. He also emphasized the Day Stem as the center of the chart, analyzing life through elemental strength, generation and control, transformation, and Ten Gods relationships. This system later became known as the Ziping method, the mainstream form of BaZi used today.
During the Yuan, Ming, and Qing dynasties, BaZi theory continued to expand into a more complete system involving structures, useful gods, luck cycles, Shen Sha, and other layers. It spread widely among both the public and scholarly circles. Many major classics, including Yuan Hai Zi Ping, San Ming Tong Hui, and Di Tian Sui, also emerged during this period.
Today, BaZi is not only a traditional destiny art, but also an expression of ancient Chinese ideas about time, nature, and human life. It reflects the belief in correspondence between Heaven and humanity: that changes in a person’s life are connected with the order of time, Yin-Yang, and the Five Elements.
The Four Pillars
The Four Pillars are the core structure of BaZi. They refer to the four time units of a person’s birth: year, month, day, and hour. Each pillar contains one Heavenly Stem and one Earthly Branch, making eight characters in total. This is where the name BaZi, or Eight Characters, comes from.
Year Pillar
Often represents ancestry and childhood.
Month Pillar
Often represents parents and youth.
Day Pillar
The Heavenly Stem of the Day Pillar represents the person themself, while its Earthly Branch often relates to spouse and middle age.
Hour Pillar
Often represents children and later life.
The Five Elements
The Five Elements are a foundational theory in ancient Chinese philosophy used to explain natural change and the relationships among all things. They are Wood, Fire, Earth, Metal, and Water. Ancient thinkers believed that everything can be understood through Five Element qualities, and that dynamic balance is maintained through the cycles of generation and control. The theoretical foundation of traditional Chinese medicine is also rooted in Yin-Yang and the Five Elements.
Generating and Controlling Relationships
Different Heavenly Stems and Earthly Branches correspond to different Five Elements. By observing the strength, generation, control, and flow of these elements, BaZi is used to infer personality, health, career, relationships, and changes in fortune. Its core aim is harmony between Yin and Yang and balance among the Five Elements.
One element nourishes the next: Wood → Fire → Earth → Metal → Water → Wood.
This cycle shows how energy is produced, supported, and carried forward from one phase into the next.
One element regulates another: Wood controls Earth, Earth controls Water, Water controls Fire, Fire controls Metal, and Metal controls Wood.
This cycle shows how the elements check, regulate, and prevent one another from becoming excessive.
The Day Master
The Day Master, also called the Day Yuan, is the Heavenly Stem of the Day Pillar. It represents the person themself and serves as the reference point for observing how the other Five Elements support, drain, control, or harmonize with it.
Shen Sha
Shen Sha is an auxiliary judgment system in traditional Chinese destiny studies. Ancient practitioners identified many symbolic “auspicious stars” and “inauspicious sha” from specific combinations among Heavenly Stems and Earthly Branches. These are collectively called Shen Sha.
Shen Sha is usually not a core basis for reading a chart on its own. It is better used as a supporting clue, alongside Day Master strength, Five Element favorability, Ten Gods, pillar positions, luck cycles, and annual timing. Some fortune-tellers overemphasize Shen Sha or treat them as special symbols that override the chart, which can easily distort a reading. The commonly used Shen Sha with clearer Five Element logic are mainly the ones below.
天乙贵人
Rule: Checked from the Day Stem against chart Earthly Branches: 甲/戊/庚 see 丑/未, 乙/己 see 子/申, 丙/丁 see 亥/酉, 壬/癸 see 卯/巳, 辛 sees 寅/午.
Meaning: Transforms misfortune toward fortune; suggests noble help and hidden support.
天德贵人
Rule: Checked from the Month Branch against a target Heavenly Stem or Earthly Branch, such as 寅丁, 卯申, 辰壬, 巳辛, and so on.
Meaning: Transforms misfortune toward fortune; suggests noble help and hidden support.
月德贵人
Rule: Checked from the Month Branch against Heavenly Stems: 寅/午/戌 see 丙, 申/子/辰 see 壬, 亥/卯/未 see 甲, 巳/酉/丑 see 庚.
Meaning: Transforms misfortune toward fortune; suggests noble help and hidden support.
文昌贵人
Rule: Checked from the Day Stem against Earthly Branches: 甲巳, 乙午, 丙/戊 see 申, 丁/己 see 酉, 庚亥, 辛子, 壬寅, 癸卯.
Meaning: Natural intelligence, learning ability, and academic potential.
驿马
Rule: Checked from the Day Branch triad: 申/子/辰 see 寅, 寅/午/戌 see 申, 巳/酉/丑 see 亥, 亥/卯/未 see 巳.
Meaning: If favorable, it can indicate movement, migration, or change that pushes life forward. If unfavorable, it may suggest much running around with limited gain.
太极贵人
Rule: Checked from the Day Stem: 甲/乙 see 子/午, 丙/丁 see 卯/酉, 戊/己 see 辰/戌/丑/未, 庚/辛 see 寅/亥, 壬/癸 see 巳/申.
Meaning: Transforms misfortune toward fortune; suggests noble help and hidden support.
华盖
Rule: Checked from the Day Branch triad: 申/子/辰 see 辰, 寅/午/戌 see 戌, 巳/酉/丑 see 丑, 亥/卯/未 see 未.
Meaning: High understanding, a root of wisdom, and often an interest in spiritual or religious exploration.
桃花
Rule: Checked from the Day Branch triad: 申/子/辰 see 酉, 寅/午/戌 see 卯, 巳/酉/丑 see 午, 亥/卯/未 see 子.
Meaning: Likability, charm, and affinity with the opposite sex.
将星
Rule: Checked from the Day Branch triad: 申/子/辰 see 子, 寅/午/戌 see 午, 巳/酉/丑 see 酉, 亥/卯/未 see 卯.
Meaning: Leadership and management ability.
灾煞
Rule: Checked from the Day Branch triad: 申/子/辰 see 午, 寅/午/戌 see 子, 巳/酉/丑 see 卯, 亥/卯/未 see 酉.
Meaning: Prone to disturbance, shocks, or sudden troubles.
天赦
Rule: Checked only on the Day Pillar by season: spring 戊寅, summer 甲午, autumn 戊申, winter 甲子.
Meaning: May receive special grace or relief, but it should not be treated as permission to act without restraint.
三奇贵人
Rule: Checked across Year-Month-Day and Month-Day-Hour Heavenly Stem sequences: 甲/戊/庚, 乙/丙/丁, or 壬/癸/辛, in forward or reverse order.
Meaning: Unusual talent; rare among people.
魁罡
Rule: Checked only by Day Pillar: 庚辰, 庚戌, 壬辰, or 戊戌.
Meaning: A firm, tough, and unyielding personality.
Void Branches
Void Branches, also called Xun Kong, are the two Earthly Branches missing from the 甲旬 to which a pillar belongs. In traditional interpretation, an Earthly Branch falling into void may be seen as less solid in strength, unstable in expression, prone to a sense of emptiness, or waiting for the right timing.
Rule
The Day Pillar determines its 甲旬, and the two Earthly Branches missing from that cycle are treated as void.
- 甲子 cycle: 甲子, 乙丑, 丙寅, 丁卯, 戊辰, 己巳, 庚午, 辛未, 壬申, 癸酉; voids 戌/亥
- 甲戌 cycle: 甲戌, 乙亥, 丙子, 丁丑, 戊寅, 己卯, 庚辰, 辛巳, 壬午, 癸未; voids 申/酉
- 甲申 cycle: 甲申, 乙酉, 丙戌, 丁亥, 戊子, 己丑, 庚寅, 辛卯, 壬辰, 癸巳; voids 午/未
- 甲午 cycle: 甲午, 乙未, 丙申, 丁酉, 戊戌, 己亥, 庚子, 辛丑, 壬寅, 癸卯; voids 辰/巳
- 甲辰 cycle: 甲辰, 乙巳, 丙午, 丁未, 戊申, 己酉, 庚戌, 辛亥, 壬子, 癸丑; voids 寅/卯
- 甲寅 cycle: 甲寅, 乙卯, 丙辰, 丁巳, 戊午, 己未, 庚申, 辛酉, 壬戌, 癸亥; voids 子/丑
Punishments, Clashes, Combinations, and Harms
Branch relations describe how Earthly Branches interact with one another. They do not read a single branch by itself, but the pull, movement, friction, or resistance formed when branches meet.
When these relations appear among the Year, Month, Day, and Hour branches, they may point to notable interaction between different areas of life. Their strength depends on position, element balance, Ten Gods, and timing cycles.
Clash
Pairs: 子午, 丑未, 寅申, 卯酉, 辰戌, 巳亥.
Meaning: Clashes symbolize opposition, conflict, and change, and can easily trigger disruption or turning points.
Combination
Pairs: Six combinations: 子丑, 寅亥, 卯戌, 辰酉, 巳申, 午未. Three harmony combinations: 申子辰 forms Water, 寅午戌 forms Fire, 巳酉丑 forms Metal, and 亥卯未 forms Wood.
Meaning: Combinations suggest attraction, bonding, cooperation, connection, or entanglement. Six combinations describe a pull between two Earthly Branches, while three harmony combinations form a stronger elemental pattern.
Punishment
Pairs: 寅巳申, 丑戌未, 子卯, plus self-punishments of 辰, 午, 酉, and 亥.
Meaning: Punishments symbolize constraint, pressure, and internal depletion, often pointing to entanglement or damage.
Harm
Pairs: 子未, 丑午, 寅巳, 卯辰, 申亥, 酉戌.
Meaning: Harms symbolize hidden injury, misunderstanding, and entanglement, often appearing calm on the surface while discord exists underneath.
Five Stem Combinations
Pairs: 甲己 combines into Earth, 乙庚 combines into Metal, 丙辛 combines into Water, 丁壬 combines into Wood, and 戊癸 combines into Fire.
Meaning: The Five Heavenly Stem combinations describe attraction, cooperation, and emotional affinity between Stems. The transformed element should still be judged through the chart’s favorable and unfavorable elements: if useful, it may bring support and smoother momentum; if unfavorable, it may create attachment, depletion, or pressure.
Key Thought
BaZi belongs to a traditional body of experience and cultural philosophy. Your personality, talents, and life rhythm may already be quietly hidden within these eight characters.