I Ching vs. Liu Yao: What's the Difference and Which Reading Should You Choose?

Liu Yao is not a rival to the I Ching. It is one way of practicing divination within the wider tradition of the Changes. The useful comparison is between a reading centered on hexagram and line texts, and a Na Jia six-line reading that also examines assigned relationships, Five Phases and the calendar.

Both can address a real question about love, work or an uncertain outcome. The difference is how the reading builds its judgment—not a division between “spiritual questions” and “practical questions,” and not a guarantee that one is more accurate.

Here is how to recognize the methods, understand the chart, and choose between GOOD TIMING's existing I Ching and Liu Yao experiences.

What does “I Ching” actually refer to?

I Ching, also written Yijing, means the Book of Changes. Its received tradition includes 64 six-line figures, their statements and a rich history of commentary. A text-centered consultation interprets the hexagram, relevant line statements and images in relation to the question.

There is no single universal “I Ching reading method.” The Columbia University Press edition interpreted through Wang Bi is one example of a particular commentary tradition, not a template for every form of divination.

“Liu Yao” literally means six lines. In present-day divination usage, it commonly refers to the technical Na Jia approach, also associated with names such as Wen Wang Gua. Calling all six-line readings Na Jia would be misleading: the same hexagram can be interpreted without a Na Jia chart.

I Ching and Liu Yao at a glance

These are emphases, not rigid boundaries. Text readers can predict events; Liu Yao readers can consider meaning and human relationships.

The shared foundation: primary hexagram, changing lines and transformed hexagram

A hexagram consists of six yin or yang lines, counted from the bottom upward. The original figure is the primary hexagram, or ben gua (本卦). Changing lines, or dong yao (動爻), reverse polarity to produce the transformed hexagram, or bian gua (變卦).

In the familiar three-coin convention:

• 6: changing yin, becoming yang.
• 7: stable yang.
• 8: stable yin.
• 9: changing yang, becoming yin.

These values and the bottom-up construction appear in the Columbia-hosted introductory I Ching text. With no changing lines, there is no separate transformed figure.

The calculation is straightforward; the interpretation is not simply “first hexagram = now, second = inevitable future.” Hilary Barrett's guide to hexagrams and changing lines describes the second figure as a relating context, among other possibilities. Readers differ over how to weigh several changing lines. Check the method being used before combining rules from different books.

What Na Jia adds to a six-line reading

Na Jia assigns stems and branches according to the trigrams and line positions; it is not a set of labels invented after the answer. The traditional Na Jia arrangement verse records this structured assignment.

Five Phases and Six Relationships

Wood, Fire, Earth, Metal and Water are the Five Phases (wu xing, 五行), often translated as Five Elements. Their generating and controlling relationships organize the chart.

The line's phase is compared with the hexagram palace's phase to determine a relationship category. The traditional Six Relationships rule gives five named categories relative to the reference:

These are technical correspondences, not a claim that five family members are involved. A “Ghost” line does not automatically indicate a spirit; a “Wealth” line does not automatically promise money.

Shi, Ying and Yong Shen

Shi (世) often anchors the querent's side; Ying (應) often represents the other side, environment or relevant counterpart. Their roles depend on what is being asked. Yong Shen (用神) is the principal representational focus selected for the matter.

Classical discussions of role selection and Shi/Ying show why this is more nuanced than “Shi is always me and Ying is always my partner.”

A judgment then considers whether the relevant line is supported, constrained, moving or transformed, together with month/day conditions. One favorable label cannot settle the whole chart.

How would the same question be approached?

Consider this fictional question: “Will this job application lead to an offer before the end of November?”

A text-centered reader would connect the actual hexagram and changing-line passages to the application: perhaps a stage of approach, delay or transition, depending on what was cast. The answer should come from those passages—not from the general fact that job hunting takes patience.

A Liu Yao reader would identify the job-related focus, examine the querent's position and relevant documents or counterpart, then assess movement and support within that chart. A salary question might shift the main emphasis toward resources; an offer question does not become a salary reading merely because a Wealth line appears.

Or ask: “How will communication with my partner develop over the next month?” Both approaches can address this. The text-centered reading develops its judgment through images and line relationships; Liu Yao investigates the question's relevant roles and their interactions.

These are illustrations of the reasoning process, not invented casts or sample predictions. Without actual lines and, for Na Jia, the relevant date, there is no particular chart to judge.

Which GOOD TIMING reading should you choose?

GOOD TIMING has two related experiences, not a switch between every historical school.

• I Ching Reading: a simpler question-and-cast flow. A three-coin engine calculates the primary figure, changing lines and transformed figure before AI interpretation. Choose it when you want a direct entry into a question-led hexagram reading.
• Liu Yao Reading: a more explicit six-line workflow, with interactive coin casting, automatic casting or entry of your own six values. Its interpretation receives the calculated Na Jia structure, Six Relationships, Shi/Ying and month/day context.

The two share calculation foundations but provide different evidence depth. The I Ching experience is not advertised as a complete scholarly edition of the classic, and Liu Yao does not implement every historical technique. In the current implementation, hidden/flying spirits and several advanced transformation rules are outside the supplied evidence.

Choose by the reading you want to explore, not by an unsupported claim of guaranteed accuracy.

Before you cast

Write down the matter and the outcome you actually want to know. “Will this application progress by the end of November?” is different from “Would I enjoy working there?” Both are valid; they call for different judgments.

Record the original question, six line values and any changing positions. For Na Jia, preserve the casting date and timezone as well. If you later add background, keep the same cast when continuing that reading rather than silently replacing it.

If you enjoy comparing symbolic systems, our Lenormand combinations guide explores a different approach to building meaning from relationships between symbols.