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Hexagram 18 Gu

The meaning of the Gu hexagram lies in eliminating corruption and bringing order to chaos. In terms of its image, it uses "wind beneath the mountain" to suggest "going forth to handle affairs.

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Question Starters

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Upper trigram ☶艮 · 山 · 止
Lower trigram ☴巽 · 风 · 入

Classical Sources

Judgment

元亨。利涉大川,先甲三日,后甲三日。

Modern rendering

Work on What Has Been Spoiled: supreme success. It furthers one to cross the great water. Three days before the day jia, three days after the day jia.

Image

山下有风,蛊。君子以振民育德。

Overview

The meaning of the Gu hexagram lies in eliminating corruption and bringing order to chaos. In terms of its image, it uses "wind beneath the mountain" to suggest "going forth to handle affairs." Su Shi, in his Dongpo Yi Zhuan, gave a detailed analysis of why the Gu hexagram is called "Gu": "When a vessel goes unused for a long time and worms breed in it, this is called 'gu'; when a person indulges in pleasure for too long and illness arises, this is called 'gu'; when the world has been at peace and inactive for...

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Inverse#17
Nuclear#63
The local bundle includes 64 Jiao Shi Yi Lin changing-hexagram entries for this hexagram. When a cast changes, Yarrow shows the matching one.

Common Questions

What does Hexagram 18 Gu mean?

Hexagram 18, Gu (Work on the Decayed), should be read from the source note first: The meaning of the Gu hexagram lies in eliminating corruption and bringing order to chaos. In terms of its image, it uses "wind beneath the mountain" to suggest "going forth to handle affairs. Yarrow uses it for reflection, not fixed prediction.

How should I use Hexagram 18 for a decision?

Name one concrete decision, cast once, then read the Judgment, Image, and source note before the AI reflection. A good first question is: what should I protect, change, or wait on?

Can Yarrow show this hexagram offline?

Yes. Yarrow keeps the 64 hexagrams, trigrams, classical sources, Yilin notes, and journal on the device. Network is used only when you ask for the AI reading.

What should I ask after reading this page?

Use the ready decision starter, or choose work, relationship, or timing. The browser trial opens with a prepared question and shows the source note first.

Practice Guides

Changing linesRead active lines as a sequenceJudgment and ImageKeep their roles distinctReading journalRecord source, action, and outcome

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