Greatly Auspicious Hexagram Kun Palace (Earth) · Fourth-Generation Hexagram

Hexagram 34: Great Power (Da Zhuang)

Da Zhuang (Lei Tian Da Zhuang) · Thunder Above Heaven (Sky)

Hexagram Name
Great Power · Da Zhuang (Lei Tian Da Zhuang)
Trigram Pair
Upper Zhen (Thunder) · Lower Qian (Heaven)
Eight-Palace Seat
Kun Palace (Earth) · World Line 4 / Response 1
Related Trio
Nuclear #43 · Opposite #20 · Inverse #33
In the King Wen sequence of the I Ching (Book of Changes), Hexagram 34: Great Power (Da Zhuang (Lei Tian Da Zhuang)) places the Outer Trigram Zhen (Thunder) (Thunder, Wood) above the Inner Trigram Qian (Heaven) (Heaven (Sky), Metal). Within the Jing Fang Eight-Palace system of Six Lines divination (Liu Yao), this hexagram belongs to the Kun Palace (Earth) as its Fourth-Generation Hexagram, anchoring the World Line (Shi Yao) on Line 4 and the Response Line (Ying Yao) on Line 1 · Six Clashes (Liu Chong). Thunder above and Heaven below, thunder rolling high in the sky, a great power. This is the image of vigour and strength. But that strength must be used in the right place and in accord with what is right.

📜 Classical Texts: The Judgment & The Great Image

The Judgment (Gua Ci / Tuan Ci)
Great Power (Da Zhuang (Lei Tian Da Zhuang))
It is favourable to persevere.
The Great Image (Da Xiang Zhuan)
Thunder Above Heaven (Sky)
Thunder in the heavens; the noble one treads no path that is not in keeping with the rites.

🧭 Trigram Architecture & Four-Hexagram Transformation Graph

At UK MASTER ACADEMY, no hexagram is read in isolation. Classical Chu Yi analysis situates Great Power within its Upper-Lower trigram dynamic alongside three structural counterparts: the Nuclear Hexagram (hidden internal progression), the Opposite Hexagram (complete Yin-Yang polarity inversion), and the Inverse Hexagram (180-degree perspective reversal):

Structural Dimension Hexagram 34 Specification Metaphysical Role & Cross-System Link
Outer (Upper) Trigram ☳ Zhen (Thunder) · Thunder (Wood) Governs the external environment, counterparts, public outcome, and later stage. Attribute: arousing movement, awakening, decisive action. Post-Heaven direction: East.
Inner (Lower) Trigram ☰ Qian (Heaven) · Heaven (Sky) (Metal) Governs inner motivation, domestic foundation, and initial stage. Attribute: creative strength, leadership, initiative. Post-Heaven direction: Northwest.
Eight-Palace Lineage Kun Palace (Earth) · Fourth-Generation Hexagram World Line at Line 4, Response Line at Line 1. Six Clashes Hexagram (Liu Chong): all three inner-outer branch pairs clash directly, indicating rapid developments, sudden shifts, dispersion of stagnation, or difficulty sustaining long-term partnerships unless anchored by strong seasonal support.
Nuclear Hexagram (Hu Gua) Hexagram 43: Breakthrough (Guai) Formed from Lines 2-3-4 (lower) and Lines 3-4-5 (upper); reveals the latent middle phase and unspoken subtext driving the outcome.
Opposite Hexagram (Cuo Gua) Hexagram 20: Contemplation (Guan) Inverts all six Yin and Yang lines; exposes the shadow polarity and complementary law when conditions reach their extreme.
Inverse Hexagram (Zong Gua) Hexagram 33: Retreat (Dun) Turns the six-line stack upside down; shows how the exact same situation looks from the other party's vantage point.
Medical I Ching & Organ Axis Upper: Liver & Gallbladder System (Wood) · Lower: Lung & Large Intestine System (Metal) Anatomical resonance: feet, liver, gallbladder, sinews, nervous reflexes and head, lungs, large intestine, skeletal frame. Explore deeper diagnostics in our Body & Five Elements Atlas.

📐 Na Jia Six-Line Matrix (Wen Wang Gua / Six Lines System)

In Six Lines Divination (Wen Wang Gua), each line of Hexagram 34 Great Power is assigned a Heavenly Stem, Earthly Branch, Five-Element phase, and one of the Five Six-Relatives calibrated against the Kun Palace (Earth) element. Whenever a Six-Relative is absent from the primary six lines, its Hidden God (Fu Shen) is drawn from the pure Palace Head hexagram:

Line Position (Top to Bottom) Na Jia Stem & Branch Six Relative & Hidden God Single-Line Transformed Hexagram
Line 6 (Six at the Top) Geng Xu (Dog) · Earth Siblings (Xiong Di) Transforms into Hexagram 14: Great Possession
Line 5 (Six in the Fifth Place) Geng Shen (Monkey) · Metal Offspring (Zi Sun) Transforms into Hexagram 43: Breakthrough
Line 4 (Nine in the Fourth Place)World Geng Wu (Horse) · Fire Parents (Fu Mu) Transforms into Hexagram 11: Peace
Line 3 (Nine in the Third Place) Jia Chen (Dragon) · Earth Siblings (Xiong Di) Transforms into Hexagram 54: The Marrying Maiden
Line 2 (Nine in the Second Place) Jia Yin (Tiger) · Wood Officer and Ghost (Guan Gui) Transforms into Hexagram 55: Abundance
Line 1 (Nine at the Beginning)Response Jia Zi (Rat) · Water Wife and Wealth (Qi Cai) Transforms into Hexagram 32: Duration

📊 Line-by-Line Commentary: All 6 Moving Lines & Transformations

Counted from the bottom upward (Initial, Second, Third, Fourth, Fifth, and Top), the six lines trace the complete arc of an affair from inception to culmination. When casting with our Three-Coin I Ching Tool or Plum Blossom Divination Calculator, focus on the moving line(s) alongside the resulting Transformed Hexagram:

Line 1 · Nine at the Beginning Yang Line · Wife and Wealth (Qi Cai) · Water · Response Line Changes to Hexagram 32: Heng
Line Text: Strength in the toes; to advance brings misfortune, however sincere the heart.\n
Lesser Image: Strength in the toes, and that sincerity too comes to its limit.\n

Master Ưng Khiêm's Commentary: You have strength and you have fire, but it is strength in the lowest part only, in feet that want to run before they are steady. I have seen this trap catch the young, and those who have just tasted a little success: they think they have force enough to charge ahead, when in truth the foundation is not firm, and the further they go the easier they fall. Sincerity is there, but sincerity alone cannot vouch for a hasty act.\n

When Line 1 Moves in Divination: Wealth: do not rush into a large investment while capital and experience are still thin. Work: it is not yet time to charge out after big projects, so strengthen the foundation first. Love: do not hurry into marriage or any large commitment while the affection is still young. Health: mind the legs, for injury comes easily when you exert yourself beyond your measure. Decisions: postpone, and do not let enthusiasm crowd out caution.\n
Strategic Counsel: Strength in the feet is not yet real strength; make the root firm before you think of going far.
Line 2 · Nine in the Second Place Yang Line · Officer and Ghost (Guan Gui) · Wood Changes to Hexagram 55: Feng
Line Text: To hold to the upright way brings good fortune.\n
Lesser Image: Nine in the Second Place holds to perseverance and has good fortune, because it stands in the central position.\n

Master Ưng Khiêm's Commentary: The line text is brief but the meaning runs deep. Here you have real strength, no longer the greenness of the first line, yet what is precious is that you keep yourself within measure and do not abuse that strength. I see here the image of one who is rising, who has inner force, yet is wise enough not to display it and not to overbear others; walk the straight road and everything will go smoothly.\n

When Line 2 Moves in Divination: Wealth: keep to honest ways of doing business; do not gamble, but do not be over timid either. Work: your strength is sufficient, so hold steady, do your duty well, and you will succeed. Love: keep to sincerity and propriety and the affection will last. Health: your health is fairly good, and you need only keep to moderation. Decisions: decide according to what is right, without hesitation.\n
Strategic Counsel: To have strength and still hold to integrity is a blessing, not a restriction; walk on with a steady heart.
Line 3 · Nine in the Third Place Yang Line · Siblings (Xiong Di) · Earth Changes to Hexagram 54: Gui Mei
Line Text: The small-minded rely on strength and act recklessly; the noble one behaves as though he had no such strength; even holding firm is dangerous. A ram butts a hedge and its horns are caught.\n
Lesser Image: The small-minded rely on strength; the noble one behaves as though he had none.\n

Master Ưng Khiêm's Commentary: This line is a very plain warning against the abuse of strength. To have force, authority, or money and then parade it, charging blindly like a ram at a hedge, ends only in being stuck, unable to go forward or back. I see that the noble one differs from the small-minded here: he has strength and still knows restraint, not because he is weak but because he understands that firmness and yielding must both be kept within measure.\n

When Line 3 Moves in Divination: Wealth: do not let a strong purse tempt you into reckless investment, for you may be caught with no way out. Work: do not use your power to press others down, for you will only make things hard for yourself. Love: do not use harsh words or impose your will on the one you love, for that breaks a bond. Health: beware injuries to the head and to the horns, and heavy collisions. Decisions: hold yourself back, and do not act out of a fierce impulse.\n
Strategic Counsel: The more strength you hold, the more you must know restraint; to charge blindly like a ram is only to get yourself caught.
Line 4 · Nine in the Fourth Place Yang Line · Parents (Fu Mu) · Fire · World Line Changes to Hexagram 11: Tai
Line Text: Perseverance brings good fortune and remorse vanishes. The hedge opens wide and nothing is caught; the strength is that of the axle of a great cart.\n
Lesser Image: The hedge opens and nothing is caught, so one should go forward.\n

Master Ưng Khiêm's Commentary: If the third line was the scene of blind charging and being caught, by this fourth line the road is clear, the hedge has opened, and strength meets no further obstruction. You have passed the stage of collisions and learned to apply your force in the right place; now to advance is reasonable, and there is nothing left to regret. I see here the line of one who has grown up through trial and can now bring out the whole of his inner force.\n

When Line 4 Moves in Divination: Wealth: the path of business has opened up, and you may widen its scale. Work: the blockage has passed, so go forward boldly, for opportunity is opening. Love: the obstacle has been removed, and you may move toward a lasting bond. Health: you have recovered and may return to vigorous exercise. Decisions: go ahead, for the moment is ripe.\n
Strategic Counsel: The hedge is open and the road is clear; this is the moment to use your strength and move forward, so hesitate no longer.
Line 5 · Six in the Fifth Place Yin Line · Offspring (Zi Sun) · Metal Changes to Hexagram 43: Guai
Line Text: The goat is lost on easy, level ground; there is nothing to regret.\n
Lesser Image: The goat is lost on easy ground because the position is not fitting.\n

Master Ưng Khiêm's Commentary: Standing in a high place yet being a soft yin line amid a hexagram full of hard yang, you need not use force to meet them head on; you need only yield a small part gracefully, like losing a goat on level ground where the loss is not worth grieving, and a great collision is avoided. I see here the wise lesson of a leader: sometimes you give up a small advantage to keep the whole situation calm, and there is nothing to regret in it.\n

When Line 5 Moves in Divination: Wealth: to accept a small loss in order to keep the larger matter calm is wisdom, not a thing to regret. Work: give way a step, or a minor title, to keep harmony in the group. Love: set aside a little pride to keep peace in the house. Health: accept a small adjustment in your routine to avoid a large harm. Decisions: yield in the right place, and do not stubbornly hold on to everything.\n
Strategic Counsel: A small loss on easy ground is nothing to grieve over; only by letting go at the right time do you keep the greater thing.
Line 6 · Six at the Top Yin Line · Siblings (Xiong Di) · Earth Changes to Hexagram 14: Da You
Line Text: A ram butts a hedge; it can neither retreat nor go forward; nothing is favourable; endure the hardship and in the end there is good fortune.\n
Lesser Image: Being able neither to retreat nor to advance comes from a want of careful thought; enduring hardship brings good fortune because the fault does not last forever.\n

Master Ưng Khiêm's Commentary: This is the price of pressing strength to the very end of the road without knowing when to stop: now you can neither advance nor retreat, as in the third line, but heavier, because you stand at the top of the hexagram. Yet I remind you that however tight the corner, this difficulty will not last forever; endure it, patiently loosen it a little at a time, and in the end it turns out well. This is not a line of despair; it is a line that teaches patience.\n

When Line 6 Moves in Divination: Wealth: you are caught in a matter hard to untangle, so work at it patiently step by step and you will get free. Work: a temporary deadlock, so do not be hasty, for persistence will find the way out. Love: an awkward position in which both sides are weary, and it will take time and patience to loosen it. Health: an uncomfortable stretch that needs steady treatment, for there is no instant cure. Decisions: do not hunt for an immediate solution; accept small steps, for that is the only way out of the deadlock.\n
Strategic Counsel: This hardship too will pass; only endure it patiently, and do not let the tightness push you into something reckless.

🌟 Practical Divination Across Major Life Domains

Overall strategic trajectory of Hexagram 34 Great Power · UK MASTER ACADEMY

1. Overall Trajectory & Strategic Timing

Thunder above and Heaven below, thunder rolling high in the sky, a great power. This is the image of vigour and strength. But that strength must be used in the right place and in accord with what is right. Because Zhen (Thunder) (Wood) rides above Qian (Heaven) (Metal), the hexagram asks you to align inner preparation (creative strength, leadership, initiative) with outward execution (arousing movement, awakening, decisive action).

Core Decision Principle: Thunder in the heavens; the noble one treads no path that is not in keeping with the rites. At the ruler's fifth position, classical guidance emphasizes: yield in the right place, and do not stubbornly hold on to everything.

Career and wealth reading for Hexagram 34 Great Power · UK MASTER ACADEMY

2. Career, Leadership & Financial Strategy

Career & Governance: In the opening phase (Line 1), the counsel for work is clear: it is not yet time to charge out after big projects, so strengthen the foundation first. As the hexagram matures to its fifth position (Line 5), leadership reaches its decisive test: give way a step, or a minor title, to keep harmony in the group. Anchor your authority on the World Line (Line 4) while observing how counterparts respond at Line 1.

Wealth & Capital Allocation: Early financial posture requires discipline: do not rush into a large investment while capital and experience are still thin. When conditions ripen at the fifth line, capital movement shifts: to accept a small loss in order to keep the larger matter calm is wisdom, not a thing to regret. In Six Lines casting, examine the Wife and Wealth (Qi Cai) line within the Kun Palace table above to judge liquidity and timing.

Love, marriage, and family dynamics in Hexagram 34 Great Power · UK MASTER ACADEMY

3. Relationships, Marriage & Family Harmony

Relational harmony depends on the resonance between the Inner Trigram (Qian (Heaven), self/home) and Outer Trigram (Zhen (Thunder), partner/environment). In the developing inner stage (Line 2), relationship dynamics indicate: keep to sincerity and propriety and the affection will last. At maturity (Line 5), the bond reflects: set aside a little pride to keep peace in the house.

Remember to cross-check the Nuclear Hexagram (Hexagram 43: Breakthrough) when unspoken emotional expectations or family pressures sit beneath the surface.

Health and Five-Element constitutional balance in Hexagram 34 Great Power · UK MASTER ACADEMY

4. Health, Constitutional Qi & Medical I Ching

In classical Medical Yi (Yi Yi), Zhen (Thunder) corresponds to the feet, liver, gallbladder, sinews, nervous reflexes, whereas Qian (Heaven) governs the head, lungs, large intestine, skeletal frame. Early moving-line diagnostics note: mind the legs, for injury comes easily when you exert yourself beyond your measure. At the uppermost extreme (Line 6), guard against overextension: an uncomfortable stretch that needs steady treatment, for there is no instant cure.

Cross-reference your birth chart's Useful God in Four Pillars of Destiny (BaZi) and inspect meridian-organ resonances in our Body and Five Elements Atlas whenever chronic fatigue or seasonal flare-ups arise.

Five-Element timing and auspicious directions for Hexagram 34 Great Power · UK MASTER ACADEMY

5. Five-Element Resonance, Timing & Spatial Alignment

🌿
Palace Element
Earth (Kun Palace)
🧭
Key Directions
Outer: East · Inner: Northwest
📅
Peak Seasonal Qi
Seasonal Transitions (Chen, Xu, Chou, Wei months)
🎨
Harmonizing Palette
Ochre yellow, terracotta, warm sand

Number Resonance & Plum Blossom Numerology Application

When phone sequences, vehicle plates, or personal identifiers map onto Hexagram 34: Great Power under Pre-Heaven Bagua numerology, they carry the energetic signature of Zhen (Thunder) (Wood) over Qian (Heaven) (Metal). In authentic Eastern metaphysics, evaluate whether the Palace element (Earth) supports your personal Useful God (Yong Shen) in the Four Pillars of Destiny before judging suitability.

❓ Frequently Asked Questions About Hexagram 34: Great Power

Is Hexagram 34 Great Power (Da Zhuang) auspicious or inauspicious in the I Ching?
Hexagram 34 Great Power (Da Zhuang (Lei Tian Da Zhuang)) is classified as a Greatly Auspicious Hexagram. Its classical Judgment states: It is favourable to persevere. In authentic divination, however, good or ill fortune depends on the specific question asked, which of the six lines are moving, and how the Palace and Use-God elements interact with the month and day of casting.
What are the Upper Trigram, Lower Trigram, and Eight-Palace positions of Hexagram 34?
Hexagram 34 places Zhen (Thunder) (Thunder, Wood) above Qian (Heaven) (Heaven (Sky), Metal). In Jing Fang's Eight-Palace system, it belongs to the Kun Palace (Earth) as the Fourth-Generation Hexagram, with the World Line on Line 4 and the Response Line on Line 1.
What are the Nuclear, Opposite, and Inverse hexagrams of Hexagram 34 Great Power?
Its Nuclear Hexagram (Hu Gua, hidden middle development) is Hexagram 43 Breakthrough (Guai); its Opposite Hexagram (Cuo Gua, full polarity inversion) is Hexagram 20 Contemplation (Guan); and its Inverse Hexagram (Zong Gua, overturned perspective) is Hexagram 33 Retreat (Dun).
Which Transformed Hexagrams arise when each of the 6 lines of Hexagram 34 moves?
Single moving-line transformations for Hexagram 34 are: Line 1 changes into Hexagram 32 Duration (Heng); Line 2 changes into Hexagram 55 Abundance (Feng); Line 3 changes into Hexagram 54 The Marrying Maiden (Gui Mei); Line 4 changes into Hexagram 11 Peace (Tai); Line 5 changes into Hexagram 43 Breakthrough (Guai); Line 6 changes into Hexagram 14 Great Possession (Da You).
How can I cast Hexagram 34 using traditional Three-Coin, Six Lines, or Plum Blossom methods?
You can cast and analyze Hexagram 34 online free of charge using UK MASTER ACADEMY's I Ching Three-Coin Casting tool, the Wen Wang Gua Six Lines Na Jia Chart calculator, or the Plum Blossom Numerology (Mei Hua Yi Shu) calculator.
Authored & Verified by Master Ưng Khiêm (Trần Quốc Dũng) · UK MASTER ACADEMY

Part of the 64-Hexagram & 384-Line Classical I Ching Compendium by UK MASTER ACADEMY, synthesizing Zhouyi Zhengyi, Jing Fang's Eight-Palace Na Jia lineage, and Shao Yong's Plum Blossom Numerology.

Cast a Live Hexagram or Compute Your Full Na Jia Six-Line Chart

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