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Hexagram 49 · Revolution

· Gé

Hexagram 49, Revolution (革, Gé), is one of the sixty-four hexagrams of the I Ching (Book of Changes). It is formed by Fire below and Lake above. Its judgment reads, in the Chinese original: “巳日乃孚,元亨利贞,悔亡。”. In the classical tradition this hexagram is associated with revolution — molting, and timely change. This page collects its structure, judgment, Image and six line texts for cultural study.

Structure

Lower trigram: Fire () — clarity, radiance and dependence
Upper trigram: Lake () — joy and open exchange
Symbol: ䷰ · Name: (Gé) · Number: 49 of 64

Judgment (Chinese original)

巳日乃孚,元亨利贞,悔亡。

The Image (Chinese original)

泽中有火,革。君子以治历明时。

The Six Lines (Chinese original)

  1. Bottom line (yang) (初九)
    巩用黄牛之革。
    The Image says: “巩用黄牛”,不可以有为也。
  2. 六二 (六二)
    巳日乃革之,征吉,无咎。
    The Image says: “巳日”“革之”,行有嘉也。
  3. 九三 (九三)
    征凶,贞厉;革言三就,有孚。
    The Image says: “革言三就”,又何之矣!
  4. 九四 (九四)
    悔亡,有孚改命,吉。
    The Image says: “改命”之“吉”,信志也。
  5. 九五 (九五)
    大人虎变,未占有孚。
    The Image says: “大人虎变”,其文炳也。
  6. Top line (yin) (上六)
    君子豹变,小人革面;征凶,居贞吉。
    The Image says: “君子豹变”,其文蔚也;“小人革面”,顺以从君也。

FAQ

What is I Ching Hexagram 49?
Hexagram 49 is Revolution (革, Gé), one of the sixty-four hexagrams of the I Ching. It is formed by Fire below and Lake above, and belongs to the classical Chinese textual tradition.
What is the judgment of Revolution?
The judgment of Revolution reads, in the Chinese original: “巳日乃孚,元亨利贞,悔亡。”. Its Great Image reads: “泽中有火,革。君子以治历明时。”. Translations vary by edition; the judgment and the Image are the core texts for understanding the hexagram.
What does Revolution symbolize?
In the classical tradition, Revolution is associated with revolution — molting, and timely change. It is studied as cultural symbolism — a lens for reflection — not as a prediction of fortune or future events.
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This page is a cultural introduction to the I Ching (Book of Changes) and related traditions of classical Chinese culture. It is provided for learning and appreciation only: it does not predict fortune or future outcomes, and it is not medical, legal, financial or any other professional advice.
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