BaZi Knowledge Guide

The Five Elements existed as a philosophical framework long before Zi Ping BaZi.

The Hong Fan chapter of the Shang Shu records:

“一曰水,二曰火,三曰木,四曰金,五曰土。”

“First Water, second Fire, third Wood, fourth Metal, fifth Earth.”

It also describes their qualities through the ideas of flowing downward, rising upward, bending and straightening, changing form, and cultivation.

In BaZi, Yin-Yang and the Five Elements are combined with the Heavenly Stems and Earthly Branches.

San Ming Tong Hui summarizes this principle as:

“阴阳五行,交相为用,不过生克制化而已。”

“Yin-Yang and the Five Elements work through one another, ultimately through generation, control, regulation, and transformation.”

The text then explains how relationships such as “what generates me,” “what I generate,” “what controls me,” and “what I control” develop into later BaZi concepts.

A simple way to understand the structure is: Birth time → Four Pillars → Heavenly Stems and Earthly Branches → Yin-Yang and Five Element relationships → BaZi interpretation A BaZi reading therefore looks at how the eight characters work together rather than assigning a fixed meaning to each one.

Di Tian Sui puts this concisely:

“配合干支仔细详,断人祸福与灾祥。”

“Examine the Stems and Branches carefully in combination when judging fortune and misfortune.”

This is why one Jia Wood, one Zi branch, one Direct Officer, or one symbolic star cannot describe an entire chart by itself.

Start with Wood, Fire, Earth, Metal, and Water, and learn how the Five Elements generate and control one another.

Then learn Yin and Yang.

The same element can appear in two polarities: Jia is Yang Wood while Yi is Yin Wood; Bing is Yang Fire while Ding is Yin Fire.

San Ming Tong Hui divides the Ten Heavenly Stems into five Yang Stems and five Yin Stems and discusses their elemental nature and seasonal strength.

At this stage, the goal is not to decide whether Wood or Metal is “good” or “bad.” The goal is to understand how generation, control, and polarity create relationships.

These rules later become the basis for the Ten Gods, combinations, transformations, and other chart relationships.

Next, learn the Ten Heavenly Stems and Twelve Earthly Branches.

Know the element and polarity of each one, then learn the Hidden Stems contained within the Earthly Branches.

Di Tian Sui explains the system through Heaven, Earth, and Human components, associating the visible Stem with Heaven, the Branch with Earth, and the Stems hidden inside the Branch with the Human component.

San Ming Tong Hui also notes:

“地支之用,不比天干。”

“The way the Earthly Branches function is not the same as the Heavenly Stems.”

A Branch therefore should not be understood only by its surface element.

Its Hidden Stems, position, season, and relationships with other branches also matter.

Once you know the Stems and Branches, learn to identify the Year, Month, Day, and Hour Pillars.

The Heavenly Stem of the Day Pillar is called the Day Master.

Yuan Hai Zi Ping states:

“凡看命排下八字,以日干为主。”

“When examining a BaZi chart, take the Day Stem as the central reference.”

So if the Day Stem is Jia, the Day Master is Jia Wood.

If it is Ding, the Day Master is Ding Fire.

The rest of the chart is then interpreted in relation to the Day Master.

This is also where the Ten Gods begin to make sense.

What generates the Day Master, what it generates, what controls it, what it controls, and what belongs to the same element group form the basic Ten God categories.

Learn the Day Master first, then the Ten Gods.

The same Day Master can behave very differently depending on the season in which it appears.

Classical BaZi therefore places great importance on the Month Branch and seasonal strength.

Di Tian Sui Chan Wei states:

“月令乃提纲之府,譬之宅也。”

“The Month Command is the key framework, like the house in which the chart resides.”

A Jia Wood Day Master born during a strong Wood season does not begin from the same conditions as Jia Wood born during a strong Metal season.

This is why BaZi strength cannot be judged simply by counting how many Wood, Fire, Earth, Metal, or Water characters appear.

Season, roots, support, and the rest of the chart all matter.

The Ten Gods are: Friend, Rob Wealth, Eating God, Hurting Officer, Direct Wealth, Indirect Wealth, Direct Officer, Seven Killings, Direct Resource, and Indirect Resource.

They are not ten independent “stars.” They are relationship categories derived from two rules: Five Element relationship + Yin-Yang polarity For example, for a Jia Wood Day Master, Geng Metal controls Wood and has the same Yang polarity, so it becomes Seven Killings.

Xin Metal also controls Wood but has the opposite polarity, so it becomes Direct Officer.

Once the underlying rules are clear, the Ten Gods can be derived rather than memorized mechanically.

After learning individual Stems, Branches, and Ten Gods, study how the eight characters interact.

Important relationships include generation, control, combinations, clashes, punishments, harms, breaks, Three Harmonies, and Three Meetings.

Di Tian Sui summarizes the principle with:

“配合干支仔细详。”

“Examine the Stems and Branches carefully in combination.”

At this stage, your questions should start changing.

Instead of asking only “What does Jia Wood mean?” or “What does Direct Officer mean?”, begin asking: What season is Jia Wood in?

Does it have roots?

What supports it?

What controls it?

Is it involved in a combination or clash?

How do these relationships affect the chart as a whole?

That shift is what turns isolated BaZi terms into actual chart analysis.

Once you understand the individual rules, stop treating every Ten God, symbolic star, or clash as an isolated prediction.

The same Direct Officer can function differently in different charts.

The same Zi-Wu Clash can also have different implications depending on its position, strength, and surrounding relationships.

Yuan Hai Zi Ping warns:

“学者不可拘执,而不知通变也。”

“A student should not cling rigidly to fixed rules and fail to understand variation.”

Learning BaZi at this stage becomes less about memorizing more terms and more about combining the rules you already know.

Only after understanding the natal chart should you move on to Da Yun, or 10-year luck cycles, and Liu Nian, or annual cycles.

San Ming Tong Hui describes the sequence clearly:

“先以三元、四柱、五行......以定根基,然后考究运气。”

“First establish the foundation through the Four Pillars and Five Elements, then examine the movement of luck.”

A luck cycle does not operate independently of the natal chart.

New Stems and Branches interact with the original chart through generation, control, combinations, clashes, and Ten God relationships.

In short: Learn the rules first, then the chart.

Understand the natal chart first, then study timing.

Classical BaZi texts often connect temperament with the overall condition of the Five Elements.

San Ming Tong Hui states:

“贵贱观乎八字,性情应乎五行。”

“Status is observed through the BaZi; temperament corresponds to the Five Elements.”

Di Tian Sui similarly discusses personality through the balance, clarity, and interaction of the Five Elements.

The important point is that traditional BaZi does not reduce personality to a single Day Master such as Jia Wood or Bing Fire.

The full chart, including strength, Ten Gods, and elemental relationships, is considered together.

Classical texts devote considerable attention to official rank, achievement, and social position.

The traditional idea of “Officer” originally referred more directly to official status and rank than to the modern idea of a career.

Di Tian Sui says:

“何知其人贵,官星有理会。”

“How can one recognize status? The Officer must have a coherent place in the chart.”

The point is not simply whether an Officer star appears, but how it interacts with the Day Master, Wealth, Resource, and the rest of the chart.

In modern BaZi practice, these ideas are often extended to career patterns, work style, promotion, professional opportunities, and changes in direction.

Wealth is another major subject in classical BaZi.

Di Tian Sui says:

“何知其人富,财气通门户。”

“How can one recognize wealth? Wealth Qi must flow through the chart.”

This does not mean that more Wealth stars automatically indicate more money.

The condition of the Wealth element, the strength of the Day Master, the season, and other relationships must be considered together.

Modern BaZi readings often use these ideas to discuss earning patterns, financial opportunities, and changes in wealth across different luck cycles.

Marriage has long been an important topic in Zi Ping BaZi.

Yuan Hai Zi Ping states:

“日干为己身,日支为妻妾。”

“The Day Stem represents the self; the Day Branch represents the spouse.”

This is one historical basis for treating the Day Branch as the Spouse Palace.

Classical marriage rules reflect the gender roles and marriage customs of their time, so they should not be applied mechanically to modern relationships.

Modern interpretations usually look at the Day Branch, spouse-related Ten Gods, combinations and clashes, and timing through luck cycles, rather than relying on a single symbolic star such as Peach Blossom.

Traditional BaZi also analyzes what classical texts call the Six Relations, including parents, siblings, spouse, and children.

Yuan Hai Zi Ping associates different pillars with different parts of family life:

“取年为根,为上祖财产。”

“Take the Year as the root, relating to ancestry and inherited foundation.”

“取月为苗,为父母。”

“Take the Month as the sprout, relating to the parents.”

“时为花实,为子息。”

“The Hour is the flower and fruit, relating to children.”

Different classical traditions do not always assign family members to the same Ten Gods in exactly the same way.

For that reason, family relationships are usually read through a combination of pillar position, Ten Gods, strength, and chart interactions.

BaZi also adds time to the natal chart through Da Yun and Liu Nian.

San Ming Tong Hui gives the principle:

“先论根基,后言运气。”

“First examine the foundation, then discuss luck.”

The natal chart forms the foundation.

Later Stems and Branches from 10-year and annual cycles interact with it through generation, control, combinations, clashes, and other relationships.

A useful way to think about BaZi timing is: Natal chart → 10-year luck cycle → Annual cycle Two people can therefore experience the same calendar year differently because the same annual Stem and Branch interact with different natal charts.

Traditional BaZi books also contain sections on illness and lifespan.

Di Tian Sui, for example, begins its discussion of illness with:

“五行和者,一世无灾。”

“When the Five Elements are harmonious, illness and misfortune are reduced.”

Classical authors also linked particular elements with organs and physical conditions.

These ideas belong to traditional metaphysical theory and are not a medical diagnostic system.

BaZi should not be used in place of medical examination, diagnosis, or treatment.