Hexagram 49 Ge (Revolution) — Trigram Structure & Line Overview
Trigram Structure Upper: Lake (Dui ☱) · Lower: Fire (Li ☲)
Sequence & Paired Hexagram ← #48 Jing · #50 Ding → · Pair: #50 Ding

Classical Image Maxim: "Fire in the lake; renew systems in harmony with changing seasons." — Already cast Hexagram 49 Ge with one or more changing lines (Lines 1 to 6)? Look up your exact moving-line combination in the Hexagram 49 Ge Lookup Tool, browse all 64 I Ching hexagrams, or map a career decision:

Hexagram 49: Ge (Revolution)
King Wen #49 Lake ☱ Over Fire & Clarity ☲
Upper Trigram (Outer)
Dui / Lake ☱
Open Exchange · Joyous Relief
Lower Trigram (Inner)
Li / Fire & Clarity ☲
Luminous Insight · Clinging Warmth
Line 6 · Top Yin
The Leopard's Spotted Coat
Line 5 · 5th Yang ★
The Tiger's Clear Stripes
Line 4 · 4th Yang
Changing the Mandate in Trust
Line 3 · 3rd Yang
Talk Returning Three Times
Line 2 · 2nd Yin
Changing on the Ripened Day
Line 1 · 1st Yang
Wrapped in Yellow Oxhide
The Great Image: "Fire in the lake; renew systems in harmony with changing seasons."

Hexagram 49 Meaning & Interpretation

In the received King Wen sequence of the Book of Changes (Zhouyi), Hexagram 49 — Ge (Revolution) is the 49th six-line figure, formed by placing the upper trigram Lake (Dui ☱) above the lower trigram Fire (Li ☲). It forms a structural pair with Hexagram 50 (Ding, The Cauldron), contrasting their complementary stages of change across the sixty-four hexagrams.

The classical Judgment (gua ci) and the Great Image (da xiang) read the interaction between outer Lake (Dui ☱) and inner Fire (Li ☲) as an integrated pattern of timing and conduct. The Great Image states: "Fire in the lake; renew systems in harmony with changing seasons." In classical commentary, the Judgment names the macro climate sitting before you, while the Image describes how a discerning person (junzi) aligns daily posture with that climate before examining any individual moving lines.


Hexagram 49 Unchanging (No Changing Lines)

When all six positions come out settled — only 7s and 8s, with no moving 6 or 9 — the figure is a static hexagram (jing gua). Following Zhu Xi's rule in the Zhouyi Benyi, there is no relating figure and no moving line statement; the reading rests on the Judgment (gua ci) and the Great Image (da xiang) of Hexagram 49. Because Ge has no seventh all-moving statement, an unchanging cast describes a major structural transition whose legitimacy depends entirely on timing and earned trust.

Structurally, Ge places Lake (Dui, ☱) above Fire (Li, ☲): water in the lake and fire below contend with each other — water tries to quench fire while fire boils water away — until a new equilibrium is forged. The Chinese character Ge originally depicts raw animal hide cured and stripped of hair as the seasons change ("molting"). Yet the Judgment states a strict condition: "On your own day (ji ri), you are believed." Change announced before the need is unmistakable invites resistance; change carried out when the season has clearly arrived dissolves regret.

The Great Image connects structural renewal to natural timekeeping: "Fire in the lake; renew systems in harmony with changing seasons."

  • Has the "appointed day" truly arrived, or are you acting out of restlessness? Real transformation earns trust only when the old arrangement has clearly run its course.
  • Have you deliberated carefully before tearing down the old structure? Shedding an outgrown skin requires clarity about what will replace it.
  • Are your motives transparent to everyone affected? Regret vanishes in Ge only when renewal serves shared reality rather than personal whim.

Hexagram 49 in Love & Relationships

In questions of love and relationships, Hexagram 49 signals a turning of the season — shedding an outgrown relationship pattern, redefining the terms of a commitment, or leaving behind an old chapter that no longer fits who both partners have become. Paired in the King Wen sequence with Hexagram 50 (Ding, The Cauldron), where Ge clears away the old hide, Ding cooks and stabilizes the new life. When cast unchanging, Ge counsels patience until the need for change is crystal clear ("on the appointed day"), ensuring that any transformation is grounded in honesty rather than impulsive drama.

When individual lines move, the six positions trace the arc of relational renewal from early restraint to graceful adaptation:

  1. First position — Wrapped firmly in yellow ox hide: When the timing is not yet ripe and emotions are still raw, do not rush into an ultimatum or dramatic upheaval; hold steady and consolidate the basics first.
  2. Second position — On the appointed day, transform it; stepping forward brings no fault: Once you have waited, listened, and confirmed that the old pattern is truly exhausted, initiate the necessary change with calm, open resolve.
  3. Third position — Rushing ahead brings trouble; when talk of change has circled three times, trust is earned: Neither impulsive ultimatums nor endless hesitation works here; only after an issue has been discussed thoroughly and clearly ("three times") can both partners move forward in good faith.
  4. Fourth position — Remorse vanishes; trust is earned, and changing the arrangement succeeds: When your heart is fair and transparent, restructuring the relationship — or parting cleanly if the road has ended — brings relief rather than regret.
  5. Fifth position — The great person transforms like a tiger; even before asking, trust is visible: A bold, unmistakable renewal of conduct where the new posture is as clear as the stripes on a tiger, restoring confidence immediately.
  6. Top position — The noble person transforms like a leopard while the small face merely adapts; stay steady rather than pushing further: Once the major change is complete, refine the details gracefully like the spots of a leopard instead of demanding endless further upheaval.

Questions to sit with:
- Has this issue been talked through clearly ("three times"), or are you tempting a premature rupture at Line 1?
- What outgrown habit or expectation is ready to be shed like an old seasonal coat?
- Once the old pattern is cleared, what new vessel will you tend together in Hexagram 50 (Ding)?


Hexagram 49 in Career & Decisions

Hexagram 49 (Ge) embodies the physics of irreversible phase changes, foundational creative destruction, and revolutionary regime turnover. Fire rages inside the lake: water extinguishes fire; fire boils away water. The structural incompatibility of the two elements renders superficial compromise obsolete ("Water and fire extinguish each other"). Revolution is natural, necessary, and inevitable ("The revolutions of Tang and Wu were aligned with heaven and answered the needs of humanity").

In corporate turnarounds and disruptive innovation, Ge dictates three absolute laws:
1. **The Law of the Inoculation Bind **: Premature revolution triggers terminal counter-mobilization. When emergent technologies first surface, bind operational ambition with ironclad self-restraint ("Yellow ox hide"). Never launch the offensive until internal unit economics and defensive moats are perfected.
2. The "Three Consultations" Deliberation Matrix (Line 3): Radical reorganization imposed by executive fiat produces paralysis. Plans must survive three independent, adversarial reviews by engineering, legal, and operational leadership ("Discussed three times before trust is established").
3. The Phase Transition Ceasefire (Line 6): When executive leadership transforms into unassailable clarity (Line 5: Tiger) and middle management swiftly pivots (Line 6: Leopard), the revolution is finished. Continuing to purge departments or disrupt workflows ("Advancement brings difficulty") destroys newly won systemic gains.

The Six Lines of Hexagram 49

1. Line 1 (Initial Yang): Wrapped in the Hide of a Yellow Ox.

gong yong huang niu zhi ge — "wrapped tightly with the hide of a yellow ox."

At the very bottom of a figure devoted to deep change, the opening counsel is to bind oneself fast in tough, central-colored oxhide and refrain from moving. Because Line 1 has neither the vantage point nor the established trust needed to overturn an existing order, restraint here is what prevents premature upheaval.

This line asks: where is holding fast to existing bounds wiser than rushing into an unripe change?

2. Line 2 (Second Yin): Changing When the Day Has Come.

ji ri nai ge zhi, zheng ji, wu jiu — "when the day has come, then change it; setting forth brings a favorable outcome, no blame."

Centered in the lower trigram of clarity (Li) and paired directly with the fifth line above, Line 2 sees clearly what must be renewed, yet still waits until ji ri — after the day has fully arrived. Once preparation and timing have ripened together, stepping forward to make the change is both effective and blameless.

This line asks: has the day for this change truly ripened, or have you only just seen the need for it?

3. Line 3 (Third Yang): Talk of Change Comes Round Three Times.

zheng xiong, zhen li; ge yan san jiu, you fu — "setting forth brings a setback, steadfastness is perilous; when talk of change has come round three times, there is trust."

Sitting at the top of the fire trigram with double yang hardness, this line is prone to forcing change too fast while clinging stubbornly to its own view. Only when the proposal for change has been weighed, discussed, and returned to three full times does shared conviction replace haste.

This line asks: have you let the people affected by this change talk it through three times before you act?

4. Line 4 (Fourth Yang): Changing the Mandate with Trust.

hui wang, you fu gai ming, ji — "regret vanishes; with trust, changing the mandate brings a favorable outcome."

Having crossed from the inner trigram of fire into the outer trigram of the lake, the deliberations of the lower lines now reach the threshold of real action. Because inward sincerity matches the outward need of the season, altering the old arrangement (gai ming) lifts past regrets and sets a sound course.

This line asks: does your outward change of course carry enough inward honesty that people can trust the new direction?

5. Line 5 (Fifth Yang): The Great Person Changes Like a Tiger.

da ren hu bian, wei zhan you fu — "the great person changes like a tiger; even before consulting the signs, there is trust."

When a tiger sheds its dull winter coat for its autumn stripes, every mark is bold, distinct, and unmistakable from afar. In the central fifth place of renewal, the transformation is so clear and self-evident in daily conduct that people trust it before any formal reading is even made.

This line asks: is the renewal you are leading visible in the plain lines of your actions, without needing explanation?

6. Line 6 (Top Yin): The Noble Person Changes Like a Leopard.

jun zi bao bian, xiao ren ge mian, zheng xiong, ju zhen ji — "the noble person changes like a leopard, the small person changes the face; marching further brings a setback, abiding in steadfastness brings a favorable outcome."

After the great structural renewal of Line 5 is complete, Line 6 fills in the finer, smaller spots like a leopard's coat, while ordinary people adapt their outward habits to the new season. At this stage, pushing for still more upheaval brings a setback; what is needed now is quiet steadiness so the new order can settle.

This line asks: once the major turn is complete, can you stop overturning things and tend to the fine details of settling in?

This figure carries no additional all-moving statement. When all six lines move, read the transformed figure.


Hexagram 49 FAQ

Q Why does a hexagram about Revolution begin by binding things in 'yellow oxhide' (Line 1)?

A: Line 1 reads gong yong huang niu zhi ge — "wrapped tightly with the hide of a yellow ox." In classical thought, ge literally means stripping and tanning raw animal hide, a work that should never be undertaken lightly. At the very first line, before the situation has matured or gathered public trust, the text binds the impulse to act in tough yellow leather so that raw restlessness is not mistaken for timely renewal.

Q What is the difference between the tiger in Line 5 and the leopard in Line 6 of Hexagram 49?

A: Line 5 speaks of da ren hu bian ("the great person changes like a tiger"), while Line 6 speaks of jun zi bao bian ("the noble person changes like a leopard"). A tiger's stripes are broad and set the primary pattern of the whole coat; a leopard's rosettes are smaller, denser refinements that follow once the main lines are already in place.

Q How does Hexagram 49 (Ge) relate to Hexagram 50 (Ding)?

A: Ge (49, Lake over Fire) and Ding (50, Fire over Wood) form one of the most celebrated pairs in the King Wen sequence. In Ge, water and fire contend in the same space to strip away what is worn out; inverted in Ding, wood feeds fire beneath a bronze cauldron to cook raw ingredients into shared nourishment. Ge clears the old; Ding seasons and sustains the new.


Did one or more lines move when you cast Hexagram 49 Ge?

In classical six-line analysis, reading all six line statements at once mixes opposite stages of the cycle. Isolate only the changing lines that scored 6 or 9 in your session using Zhu Xi's changing-line rules or 50-stalk yarrow probabilities:

Related Hexagrams & 6-Bit Transitions (Hexagram 49 Ge)

In the Book of Changes (Zhouyi) binary topology, this hexagram is connected to its Opposite (Bitwise NOT), Inverse (180° Rotation), and Nuclear (Inner Core Lines 2–5) archetypes:

How to read this hexagram in context →