Why Saju Compatibility Beats Western Astrology
Western astrology checks sun signs. Saju (사주) checks four pillars — Year + Month + Day + Hour. That gives eight characters total.
When two people compare saju, they compare 64 character interactions. Not 12 signs against 12 signs.
That depth = why Korean families have used saju for marriage matching for 1,000 years.
How It Works
You enter your birth: year, month, day, hour. Your partner does the same.
The algorithm computes:
- Day Master compatibility (일간 합) — Are your inner selves naturally drawn?
- Five Elements balance (오행 조화) — Wood-Fire-Earth-Metal-Water harmony
- Three Harmonies (삼합) — Year animal alignment
- Six Combinations (육합) — Hidden chemistry
Each gives a score 0-100. Total = your love compatibility.
What the Score Means
- 85+ → Soulmate territory (천생연분)
- 70-84 → Strong match
- 55-69 → Average — works with effort
- 40-54 → Needs awareness of differences
- <40 → Challenging — deep understanding required
Try It Free
sajuapp.app — type both birthdays, get instant compatibility analysis.
9 languages (English / Korean / Japanese / Chinese / Spanish / Portuguese / Indonesian / Vietnamese / Hindi).
No signup. No email. Just answers.
Bonus: K-drama Archetype Match
After saju, see which K-drama character trope matches you:
- Chaebol heir (재벌 상속) — Fire + Authority strong
- Mysterious doctor (미스터리 닥터) — Water + Wisdom strong
- Warm best friend (따뜻한 친구) — Earth + Loyalty strong
- Live stage idol (라이브 무대 아이돌) — Wood + Expression strong
Real Korean characters — not real people. Saju archetype mapping.
Why Free?
Korean astrology should be accessible. Sajuapp.app reads your chart instantly in your language. Premium 12-page PDF is optional ($7.99).
But the compatibility test? Always free.
Built by KunStudio in Korea. 9 languages.
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