Eight Mansions Feng Shui: How to Calculate East Four Life and West Four Life for Lucky Home Layout
A: Eight Mansions Feng Shui (八宅风水, ba zhai feng shui) is one of the most important schools within Yang Dwelling Feng Shui (阳宅风水). Built upon the foundation of the Bagua (八卦, Eight Trigrams), it classi
Q: What is Eight Mansions Feng Shui? What Are Its Core Principles?
A: Eight Mansions Feng Shui (八宅风水, ba zhai feng shui) is one of the most important schools within Yang Dwelling Feng Shui (阳宅风水). Built upon the foundation of the Bagua (八卦, Eight Trigrams), it classifies both homes and residents into eight types. By analyzing the compatibility between your home's Gua and your personal Life Gua (命卦), it determines the auspicious and inauspicious energies of your living space.
The Core Principle of Eight Mansions Feng Shui
The central principle is Life-Mansion Compatibility (命宅相配, ming zhai xiang pei) — your home's "Mansion Gua" must match the resident's "Life Gua."
Cultural Context: In Chinese metaphysics, the Bagua divides all of reality into eight fundamental patterns of energy. Eight Mansions Feng Shui applies this to architecture by mapping each Gua to a cardinal or inter-cardinal direction. The result is a practical system that anyone can use to assess whether their home "vibrates" in harmony with who they are.
1. The Eight Mansion Types
Eight Mansions Feng Shui divides homes into eight categories, each corresponding to a Trigram and its associated direction:
| Mansion | Gua | Direction |
|---|---|---|
| Qian Mansion | 乾 (Qian / Heaven) | Northwest |
| Kun Mansion | 坤 (Kun / Earth) | Southwest |
| Zhen Mansion | 震 (Zhen / Thunder) | East |
| Xun Mansion | 巽 (Xun / Wind) | Southeast |
| Kan Mansion | 坎 (Kan / Water) | North |
| Li Mansion | 离 (Li / Fire) | South |
| Gen Mansion | 艮 (Gen / Mountain) | Northeast |
| Dui Mansion | 兑 (Dui / Lake) | West |
2. The Four Auspicious and Four Inauspicious Positions
Every Mansion Gua has four lucky directions and four unlucky ones:
Four Auspicious Directions (四吉位):
- Vital Qi (生气): The most auspicious — governs wealth, career, and health
- Heavenly Doctor (天医): Second most auspicious — governs health and wealth
- Longevity (延年): Moderately auspicious — governs marriage, longevity, and family harmony
- Stability (伏位): Mildly auspicious — governs stability and peace
Four Inauspicious Directions (四凶位):
- Fatality (绝命): The most inauspicious — associated with health crises and accidents
- Five Ghosts (五鬼): Second most inauspicious — associated with fire, accidents, and betrayal
- Mishap (祸害): Moderately inauspicious — associated with disputes and lawsuits
- Six Sha (六煞): Mildly inauspicious — associated with wealth loss and romantic troubles
Quick Tips:
- When choosing a new home, identify its Mansion Gua first, then evaluate whether the auspicious directions fall in the rooms you use most (bedroom, office, entrance)
- If your bedroom must sit in an inauspicious direction, you can soften the negative influence with proper Five Elements decor
Q: What Are East Four Life and West Four Life? How Do I Calculate My Life Gua?
A: East Four Life (东四命, dong si ming) and West Four Life (西四命, xi si ming) are Eight Mansions' classification of people. Based on your birth year, every person is assigned a Life Gua that determines which home orientations support their energy.
The East–West Division
- East Four Life: Kan, Li, Zhen, Xun (Four Trigrams)
- West Four Life: Qian, Kun, Gen, Dui (Four Trigrams)
People with an East Four Life thrive in East Four Mansions (sitting east facing west, sitting south facing north, sitting north facing south, or sitting southeast facing northwest). People with a West Four Life thrive in West Four Mansions (sitting west facing east, sitting northwest facing southeast, sitting southwest facing northeast, or sitting northeast facing southwest).
Cultural Context: The "East Four" and "West Four" groupings reflect the ancient Chinese cosmological view that human energy resonates more strongly with certain directions than others. When your Life Gua matches your home's sitting direction, the Qi in your space supports your personal energy field.
How to Calculate Your Life Gua
Use the following formulas with the last two digits of your birth year:
Formula for Males: (100 − last two digits of birth year) ÷ 9 = remainder
Formula for Females: (last two digits of birth year − 4) ÷ 9 = remainder
Remainder-to-Gua Mapping:
| Remainder | Life Gua | Group |
|---|---|---|
| 1 | Kan (坎) | East Four Life |
| 2 | Kun (坤) | West Four Life |
| 3 | Zhen (震) | East Four Life |
| 4 | Xun (巽) | East Four Life |
| 5 (Male) | Kun (坤) | West Four Life |
| 5 (Female) | Gen (艮) | West Four Life |
| 6 | Qian (乾) | West Four Life |
| 7 | Dui (兑) | West Four Life |
| 8 | Gen (艮) | West Four Life |
| 9 | Li (离) | East Four Life |
| 0 | Same as 9 (Li) | East Four Life |
Worked Examples
Example 1: Male, born 1985 (100 − 85) ÷ 9 = 15 ÷ 9 = 1 remainder 6 Remainder 6 → Qian Gua → West Four Life
Example 2: Female, born 1990 (90 − 4) ÷ 9 = 86 ÷ 9 = 9 remainder 5 Remainder 5, female → Gen Gua → West Four Life
Example 3: Male, born 2000 (100 − 00) ÷ 9 = 100 ÷ 9 = 11 remainder 1 Remainder 1 → Kan Gua → East Four Life
Q: How Are East Four Life and West Four Life Applied in Practical Feng Shui Layout?
A: Once you know your Life Gua, you can apply it across five key areas of home design.
1. Choosing Your Home's Orientation
- East Four Life residents should look for East Four Mansions (sitting east facing west, sitting south facing north, sitting north facing south, sitting southeast facing northwest)
- West Four Life residents should look for West Four Mansions (sitting west facing east, sitting northwest facing southeast, sitting southwest facing northeast, sitting northeast facing southwest)
2. Determining the Best Bedroom Direction
For East Four Life residents, place your bedroom in one of these directions:
| Your Life Gua | Best Bedroom Directions |
|---|---|
| Kan | North, South, East, Southeast |
| Li | South, North, East, Southeast |
| Zhen | East, Southeast, North, South |
| Xun | Southeast, East, North, South |
For West Four Life residents, place your bedroom in one of these directions:
| Your Life Gua | Best Bedroom Directions |
|---|---|
| Qian | Northwest, Southwest, Northeast, West |
| Kun | Southwest, Northwest, West, Northeast |
| Gen | Northeast, West, Southwest, Northwest |
| Dui | West, Northeast, Northwest, Southwest |
Quick Tip: Your bedroom's "sitting direction" matters more than its facing direction. Determine which wall the headboard rests against — that wall's compass direction is your sleeping Gua position.
3. Determining Your Front Door Direction
Your front door is the "Qi Mouth" (气口) of your home — the primary channel through which energy enters. Its direction should align with your Life Gua for maximum harmony and prosperity.
4. Locating Your Wealth Position
In Eight Mansions Feng Shui, your personal wealth position is located in your Vital Qi direction:
| Life Gua | Wealth Position (Vital Qi Direction) |
|---|---|
| Kan | Southeast |
| Li | East |
| Zhen | South |
| Xun | North |
| Qian | West |
| Kun | Northeast |
| Gen | Southwest |
| Dui | Northwest |
5. Locating Your Wenchang Position (Study Luck)
Your Wenchang Position (文昌位) — the direction that supports academic success and career advancement — is located in your Longevity direction:
| Life Gua | Wenchang Position (Longevity Direction) |
|---|---|
| Kan | South |
| Li | North |
| Zhen | Southeast |
| Xun | East |
| Qian | Southwest |
| Kun | Northwest |
| Gen | West |
| Dui | Northeast |
How to Apply This in Your Home
- Calculate your Life Gua using the formulas above
- Determine your home's Mansion Gua by identifying which direction your front door faces (the "sitting" direction is opposite the door)
- Check compatibility — ideal homes have matching East/West groupings
- Activate your Wealth Position by placing a healthy plant, crystal, or small water feature in that corner of your living room or office
- Position your desk in your Wenchang direction for improved focus and career luck
Q: Is Eight Mansions Feng Shui Still Useful in Modern Homes? What Are Its Limitations?
A: Eight Mansions Feng Shui remains a valuable reference for modern home design, but it does have limitations you should be aware of.
The Value of Eight Mansions Feng Shui
1. Beginner-Friendly System
Eight Mansions is one of the most accessible schools of Feng Shui — beginners can grasp its core principles within hours and apply them immediately.
2. Highly Practical
The clear auspicious/inauspicious direction system translates directly into actionable home layout decisions.
3. Cultural Heritage
As a vital part of traditional Chinese culture, Eight Mansions helps us appreciate the architectural wisdom of our ancestors.
The Limitations of Eight Mansions Feng Shui
1. Oversimplified Classification
Eight Mansions reduces both people and homes to just eight categories — ignoring many other factors that influence energy flow.
2. No Time Dimension
The system focuses purely on space and does not account for time-based changes like Annual Luck (流年) or the Three Cycles and Nine Periods (三元九运).
3. Modern Building Complexity
Today's architecture — apartments, open-plan layouts, irregular floor plans — often doesn't fit the traditional building patterns Eight Mansions was designed for.
4. Multi-Resident Challenges
Modern households typically include multiple family members, each with potentially different Life Guas. Coordinating everyone's energy needs requires flexibility.
Cultural Context: No single Feng Shui school holds the complete truth. Most modern practitioners combine Eight Mansions with Xuan Kong Flying Stars (玄空飞星) for time-based analysis and Form School (形势派) methods for landform evaluation — using each tradition for what it does best.
Practical Recommendations
1. Use Multiple Systems Together
Treat Eight Mansions as one reference among many. Combine it with Xuan Kong Flying Stars (玄空飞星) and Form School (形势派) methods for a more complete picture.
2. Prioritize the Primary Resident
When family members have different Life Guas, prioritize the head of household or the primary breadwinner.
3. Stay Flexible
If your home's orientation doesn't perfectly match your Life Gua, use interior adjustments — furniture placement, colors, and Five Elements decor — to compensate.
4. Consider Practical Realities
Balance Eight Mansions recommendations with your family's actual needs, daily habits, and the physical constraints of your space.
Summary: Eight Mansions Feng Shui is an important and accessible school — ideal for beginners who want to understand their personal energy and home harmony. Knowing your Life Gua and your auspicious directions empowers smarter layout decisions. However, remember that Eight Mansions is just one layer of Feng Shui analysis. For best results, combine it with other schools and adapt the principles to your real-life situation rather than applying them rigidly.
Quick Tips:
- Use the Life Gua calculator above as a starting point, then verify with a qualified practitioner for complex decisions
- Your Wealth Position should be kept clean, well-lit, and free of clutter — it represents the energy flow toward abundance
- When renovating or rearranging, prioritize placing your bed, desk, and main entrance in auspicious directions first
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- [[../05-命理与运势/01-东四命与西四命.md|East Four Life and West Four Life — Life Gua Calculation and Directional Auspiciousness]]
- [[../07-风水故事/08-八宅风水实战案例三则.md|Three Real-World Eight Mansions Feng Shui Case Studies]]
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