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BaZi Case Library / Politics & Military/ Kublai Khan (忽必烈)
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Kublai Khan (忽必烈)

Kublai Khan (1215–1294) was the founder of the Yuan dynasty and a grandson of Genghis Khan. He ascended in 1260, proclaimed the Yuan dynasty in 1271, and unified China after the fall of the Southern Song in 1279. His later years were marked by costly campaigns and growing succession pressure.

Birth
1215-09-23 18:00 · Mongolian Steppe
Gender
Male
Time Source
Web search

Birth Time Verification

This chart is cast using the You hour, giving the four pillars Yi Hai, Yi You, Yi Mao, Yi You. The History of Yuan states that Kublai Khan was born in an Yi Hai year, eighth lunar month, on a Yi Mao day. The You hour comes from widely cited secondary sources. When checked against 1215-09-23 at 18:00, the day pillar resolves as Yi Mao and the hour as Yi You, matching the historical Yi Mao day record. The You hour is structurally important. A Yi Wood Day Master born in the You month already carries Seven Killings in the month branch; adding another You in the hour creates double Seven Killings that tightly flank and clash the day branch Mao. This is not a quiet, scholarly chart. The killing force is intense and needs transformation. The Hai water in the year branch serves as the Seal, converting killing pressure into authority, command, and institutional capacity. This explains how Kublai Khan combined military power with governance—using force when needed, but also establishing central administration, adopting Confucian officials, and formalizing state systems.
Confirmed Time
18:00
Hour
乙酉
Time Source
Web search

Core Analysis

Kublai Khan’s BaZi is Yi Hai, Yi You, Yi Mao, Yi You. The Yi Wood Day Master is born in the You month, with both month and hour as You metal—strong Seven Killings. The day branch Mao is tightly flanked and clashed, indicating heavy pressure, rivalry, military authority, and restructuring of power from the outset.

The key stabilizer is the year branch Hai water. Hai contains Ren water as the Seal, transforming Seven Killings into usable authority and governance capacity, forming a classic Killing–Seal generation structure. Without Hai, the double You would skew toward pure aggression; with it, killing force is redirected into command, administration, and institution-building. Multiple Yi stems on the heavenly layer resemble intense peer and clan competition among Mongol princes, while the Mao–You clash pushes these tensions into real struggles over power.

The Useful Elements are Water and Fire. Water transforms killing pressure and supports learning, advisors, and systems. Fire acts as output, restraining metal and turning military stress into policy and structure. When Earth and Metal become excessive, campaigns grow costly and physical strain increases. His later-life military setbacks and declining health are consistent with periods when wealth and killing forces became too heavy and clashes intensified.

Key BaZi Signals
Main Line
Yi Wood Day Master
Structure
Double You Seven Killings
Relations
Mao You Clash

Traits

01

Command Under Pressure

Double Seven Killings in the month and hour mean authority is inseparable from military pressure and enforced order.

02

Ability to Absorb Civil Governance

Hai water as the Seal converts killing force into learning, advisors, and workable institutions.

03

Rivalry for Power

Multiple Yi stems show strong peer and clan competition, often surfacing as succession conflict.

04

Late-Life Depletion

When wealth and killing forces concentrate, campaigns, health strain, and succession issues accumulate together.

Timeline

Each year shows the event, luck pillar, annual pillar, relations, and interpretation for direct comparison.

1251
37yrs Career

Entrusted with Administration South of the Steppe

In 1251, after Möngke became Great Khan, Kublai Khan was tasked with overseeing military and civil affairs in the Chinese regions south of the steppe, marking his real entry into Central Plains governance.

BaZi Note
The Ren Wu Luck Pillar brings out Ren water Proper Seal, directly transforming the chart’s double You Seven Killings. In 1251, Xin Hai adds visible metal killing force alongside repeated Hai water Seal. Seven Killings represent military and political pressure; the Seal represents officials, institutions, and methods. Authority and governance rise together, not just power, but the ability to manage and absorb Chinese administrative experience.
1253
39yrs Career

Campaign Against Dali

In 1253, Kublai Khan led the southern expedition against the Dali Kingdom, opening the southwest for later control.

BaZi Note
The Xin Si Luck Pillar emphasizes Seven Killings, with Si fire activating the chart’s You metal. In 1253, Gui Chou completes a Si–You–Chou metal combination, concentrating killing force. Metal governs warfare and conquest; Gui water Indirect Seal preserves strategy and logistics. This year shows heavy military action, but not blind aggression—there is containment, planning, and consolidation.
1260
46yrs Career

Proclaimed Great Khan, Succession Struggle with Ariq Böke

In 1260, Kublai Khan was proclaimed Great Khan at Kaiping, triggering a direct succession conflict with Ariq Böke.

BaZi Note
The Xin Si Luck Pillar already strengthens Seven Killings. In 1260, Geng Shen adds Proper Officer metal, with Shen joining the chart’s You to intensify authority pressure. Multiple Yi companion stems indicate peer rivals; once officer and killing stars surge, open contention is unavoidable. The natal Mao–You clash over power is fully activated, bringing proclamation and civil war together.
1271
57yrs Career

Proclamation of the Yuan Dynasty

In 1271, Kublai Khan adopted the dynastic name Yuan, drawing from the Book of Changes phrase ‘Great is the Qian Origin.’

BaZi Note
The Geng Chen Luck Pillar brings Proper Officer energy, with Chen combining with You to draw killing force into formal authority. In 1271, Xin Wei adds Seven Killings with wealth earth, which supports territory, resources, and dynastic form. This is not just a name change—steppe khan authority is recast as a Chinese imperial system. Militarized power moves into institutional structure.
1279
65yrs Career

Fall of the Southern Song and National Unification

In 1279, the Southern Song collapsed, completing Yuan unification of China.

BaZi Note
The Ji Mao Luck Pillar meets a Ji Mao year, fully overlapping. Mao wood directly clashes the chart’s double You metal. Mao is the Day Master’s root; You is Seven Killings. The stronger the clash, the larger the military and territorial shift. Double Ji earth Indirect Wealth represents land and concrete control. The Song’s fall occurs when the natal Mao–You conflict reaches its peak, fixing the final power map.
1294
80yrs Personal

Death in Dadu

In 1294, Kublai Khan died in Dadu, ending more than three decades of rule.

BaZi Note
In the Ding Chou Luck Pillar, Ding fire Output could vent killing force, but Chou combines with the natal double You, re-concentrating metal. In 1294, Jia Wu brings companion wood and fire output, while Wu breaks You. The day branch Mao has long been under clash; in advanced age, repeated metal combinations and breaks destabilize the root. Traditional longevity assessment considers advanced age, re-gathered Seven Killings, long-term day-branch clash, and year–month branch damage as a high-risk convergence rather than a sudden anomaly.

FAQ

What is the core structure of Kublai Khan’s BaZi? +
A Yi Wood Day Master born in the You month, with double You Seven Killings and Hai water transforming them. The core is a Killing–Seal generation structure, where military pressure converts into governance capacity.
Why was Kublai Khan able to use Chinese officials and institutions? +
Hai water as the Seal represents learning, officials, and systems. It transforms the chart’s strong killing force, allowing conquest to evolve into structured rule using Central Plains administrative methods.
Where does the succession struggle show in the chart? +
Multiple Yi companion stems indicate rivalry among peers and princes, while the day branch Mao being clashed by month and hour You shows intense power conflict. When metal authority surged in 1260, succession conflict became unavoidable.
Why is 1279 such a decisive year? +
The Ji Mao Luck Pillar meets a Ji Mao year, pushing the Mao–You clash to its extreme. Strong clashes correspond to major wars and territorial resolution, which aligns with the final defeat of the Southern Song.
What BaZi signals are associated with his death in 1294? +
In the Ding Chou Luck Pillar with a Jia Wu year, metal killing force recombines while breaks and clashes intensify. At advanced age, long-term day-branch damage plus renewed Seven Killings concentration is traditionally read as a strong longevity risk signal.

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