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Interpretive systems
Wen Wang Gua, the Six Lines method
The method most professional Chinese diviners actually use, and the one Western readers almost never meet. It attaches an Earthly Branch and a Five Phase agent to every line, marks one line as you and another as the matter, and computes the answer from how those elements feed or attack each other. The Judgment and line texts are barely consulted.
- 6
- lines analysed
- 5
- phases
- 2,000
- years in use
The components
A Six Lines reading is an assembly of layers laid onto the cast hexagram. Each supplies information the bare figure does not carry, and the analysis is the interaction between them.
🔗
Na Jia, attaching the stems
China
1st century BCE
Jing Fang's system for assigning the Heavenly Stems and Earthly Branches to the six lines according to which trigrams the hexagram is made of. Everything downstream depends on getting this allocation right.
🐁
The Earthly Branches
China
Han onward
Twelve branches, each carrying a Five Phase agent, a compass direction, a month, a double hour and an animal. Once a line holds a branch it has properties that can be compared with every other line.
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The Five Phases
China
Han onward
Wood, Fire, Earth, Metal and Water, related by cycles of generation and control. Whether the line standing for you is generated or overcome by the lines around it is the core of the judgement.
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The eight palaces
China
1st century BCE
All sixty-four hexagrams sorted into eight families headed by the doubled trigrams. A hexagram's palace determines its governing phase and fixes which of its lines are the world and response lines.
🧍
The world line
China
Han onward
One line in every hexagram stands for the querent, fixed by the figure's position within its palace. Its phase, its strength in the current season and what supports or attacks it carry most of the answer.
🧑🤝🧑
The response line
China
Han onward
The line three places from the world line, standing for the other party or the matter enquired about. The relationship between the two lines is read as the relationship in the question.
👨👩👧
The Six Relations
China
Han onward
Each line is labelled parent, sibling, offspring, wealth or officer according to how its phase relates to the palace phase. Which relation you read depends on the question: wealth for money, officer for career or illness, parent for documents.
🎯
Choosing the useful god
China
Han onward
The single line that represents the subject of the question, selected by relation. Picking the wrong one produces a confident and entirely irrelevant reading, which is the method's characteristic failure.
🍂
Seasonal strength
China
Han onward
A line's phase is strong or weak depending on the month of the cast, and the day's branch modifies it again. The same hexagram cast in spring and autumn can yield opposite verdicts.
🫥
Flying and hidden lines
China
Han onward
When a needed relation is missing from the figure, it is drawn from the palace head and read as hidden beneath the visible line. A device for answering questions the cast figure does not obviously address.
🐉
The Six Spirits
China
later tradition
Green Dragon, Vermilion Bird, Hooked Chen, Winding Snake, White Tiger and Black Tortoise, assigned to the lines by the day's stem. A tone layer, colouring the reading rather than deciding it.
🕳️
Void and emptiness
China
Han onward
Two branches in each ten-day cycle are counted void, and a line holding one is treated as absent or not yet real. A common explanation for a matter that looks promising and does not materialise.
Origins, texts and context
Where the apparatus came from, the manuals that transmit it, and how it sits against the reading Western editions present.
Jing Fang
77–37 BCE
Han China
Created Na Jia and the eight palaces, the apparatus this entire method rests on. He used hexagram calendrics to send warnings to the throne, made enemies, and was executed at forty-one. See the Xiangshu school page for the wider context.
The name
traditional
China
The method is named for King Wen of Zhou, to whom tradition credits the hexagram sequence. The attribution is honorific: nothing in the technique is older than the Han.
The Fire Pearl Forest
attributed to the Han, likely later
China
The Huoshu Linzhan is the foundational manual of the Six Lines tradition, attributed to Jing Fang's circle but probably compiled considerably later. Still cited by working diviners.
Bushi Zhengzong
17th century
Qing China
Wang Weide's Orthodox Divination is the standard Qing manual and the text most contemporary practitioners learn from. It systematises the rules into teachable form.
Zengshan Buyi
Qing dynasty
China
A widely used compendium of Six Lines practice, expanded and revised across editions. Together with the Bushi Zhengzong it forms the working canon of the method.
The professional diviners
continuous
China, Taiwan, Hong Kong, the diaspora
The overwhelming majority of paid Chinese divination uses this method rather than the philosophical reading. A visitor expecting talk of the superior person will hear about branches, phases and seasonal strength instead.
Cast with coins
Tang onward
China
Six Lines practice uses three coins as a matter of course. Since the analysis rests on branches and phases rather than the fine distribution of moving lines, the yarrow debate is largely beside the point here.
The text set aside
Han onward
China
The Judgment, the Image and the line texts play almost no part. This startles readers who assume the I Ching is its text, and it is the sharpest divide in how the book is actually used.
Against Plum Blossom
Song onward
China
Plum Blossom reads trigram imagery and needs no coins; Six Lines computes relations among labelled lines. The two are the main indigenous alternatives, and many diviners know both.
What it takes to learn
contemporary
worldwide
Memorising the Na Jia allocations, the palace assignments, the phase cycles and the seasonal tables is months of work before a first reading. It is the most technically demanding method in common use.
Reaching English
1990s onward
the West
Translations and manuals have appeared over the last three decades, but the method remains far less known in English than the Wilhelm reading, largely because it requires the whole Han apparatus.
Calculation software
contemporary
worldwide
Programs now lay out the branches, relations, spirits and voids automatically, removing the bookkeeping and leaving the diviner the judgement. Widely used by professionals.
A different book
Someone who knows the Book of Changes from Wilhelm or Legge and then watches a working diviner in Taipei will recognise the hexagrams and almost nothing else. There will be no discussion of the Judgment, no reading of the line texts, and no reference to the conduct of the superior person. Instead the diviner will write the figure down, annotate each line with a character or two, mark two lines specially, glance at the date, and start talking about which line is being attacked.
This is Wen Wang Gua, also called Liu Yao or the Six Lines method, and it is the mainstream professional practice across the Chinese-speaking world. It is roughly two thousand years old and it uses the classic text hardly at all.
What gets added to the hexagram
The cast figure is only the frame. Onto it the diviner lays several layers.
First the Earthly Branches, allocated to the six lines by Jing Fang's Na Jia system according to the trigrams involved. A branch brings a Five Phase agent with it, so every line is now Wood, Fire, Earth, Metal or Water.
Second the palace. Every hexagram belongs to one of eight families headed by a doubled trigram, and the palace supplies a governing phase and fixes which line is the world line, standing for the querent, and which is the response line, standing for the other party or the matter itself.
Third the Six Relations. Comparing each line's phase with the palace phase labels it parent, sibling, offspring, wealth or officer. These are technical terms, not family members: wealth means money and, in some questions, a wife; officer means career, authority and also illness.
Then the date. The month and day of the cast each carry a branch, and these determine whether a given line is seasonally strong or weak. Finally the optional layers: the Six Spirits for tone, and the void branches marking lines treated as not yet real.
How the answer is computed
The diviner first selects the useful god, the single line representing the subject of the question, chosen by relation. A question about money looks to the wealth line, about a job or an illness to the officer line, about a contract or a house to the parent line.
Then the analysis is relational. Is that line seasonally strong? Is it generated by another line or controlled by one? Is it moving, and if so does it change into something that helps or harms? Is it void? What is the world line doing, and how does it stand toward the useful god?
The verdict follows from those interactions. It is genuinely a computation, which is why the method can produce specific and falsifiable answers about timing and outcome in a way the philosophical reading does not attempt.
Why it is barely known in English
Partly accident, partly difficulty. The Western reception of the Changes ran through missionary translators and then through Richard Wilhelm, who learned the text from a scholar in the Confucian commentarial tradition. What crossed into European languages was the meaning-principle reading of the classic as philosophy.
Six Lines never made that crossing in the same way, because it is not a way of reading a text at all. It is a technical system requiring the Na Jia allocations, the eight palaces, the phase cycles and the seasonal tables to be memorised before a first reading can be attempted. Manuals in English have appeared over the past thirty years, and the method remains a minority interest outside Chinese-speaking practice.
What it is good for, and what it is not
The method is built for concrete questions with checkable outcomes. Will this deal close, when will the money arrive, is this illness serious, will they take the job. It handles timing well, since the branches carry months and days.
It is not built for the questions the philosophical reading answers best. Ask Six Lines what this situation means or how you should conduct yourself and the apparatus has little to say, because it was never designed to say it. Diviners who work both ways treat them as different instruments rather than rival interpretations.
The Xiangshu school page covers the Han context this apparatus came out of, including Jing Fang's career and the calendrical systems the same generation produced.
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