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COMPATIBILITY · MBTI + Saju
See how your flows align
We compare each person's Day Master (the Heavenly Stem of your birth day) and MBTI type to see where the two of you naturally align, and where you round each other out. It's not a verdict on your fate together — just a good conversation starter.
Based on solar terms published by the Korea Astronomy and Space Science Institute (KASI) · auto-corrected for true solar time
Curious how it looks with more people? Try group compatibility →
FAQ
- Is Saju compatibility really free?
- Yes. Just enter both birth dates — no sign-up or payment needed — and you'll see a compatibility score plus a reading of how your flows interact, completely free.
- How is the compatibility score calculated?
- It's based on the Five Elements relationship between each person's Day Master, plus how well your elements complement what the other person is missing. The score is a reference point for understanding the relationship, not a final verdict.
- Can I check MBTI compatibility too?
- Yes. Choose "Add MBTI too" to enter both MBTI types alongside your birth dates, and see your Saju compatibility and personality types side by side.
- If the score is low, does that mean we're not a good match?
- Not necessarily. The score is just one lens on how your two energies interact — it doesn't declare whether a relationship is good or bad, or predict what's ahead. Treat it as a starting point for a conversation, not a final answer.