Traditional Four Pillars Calculation
Solar term-based month pillar, apparent solar time correction, and midnight-hour handling are all calculated with precision.
Authentic saju, read for you by Byeoli
What kind of person am I?Saju knows it surprisingly well
Just your birth date and time, and you can see
your nature, flow, and timing at a glance, including details you never knew
- KASI solar-term based
- True solar time correction
- 120 day-pillar types
See it free first, no sign-up needed. Your birth date is enough.
Free, no sign-up · Just your birth date · True solar time applied
Based on solar terms published by the Korea Astronomy and Space Science Institute (KASI) · one lens for self-discovery · usage stats are beta estimates
Quick Saju Reading
One minute is all it takes
Your birth date alone is enough to explore your Saju chart.
Free, no sign-up · Your details are used only for the calculation and are never stored on our servers.
▎Start now
Four experiences
with Kongming Saju
This service offers one perspective for self-exploration · For medical, legal, or financial decisions, please consult a professional
What makes this different?
Your Eight Characters at a Glance
Chinese characters with Korean phonetics, day master emphasis, and Five Elements color visualization.
Saju Is a Tool
We do not declare your fate. Use it as one perspective for understanding yourself.
Frequently Asked Questions
- I don't know my exact birth time.
- Even with just the hour, your Day Pillar will be accurate. You can select 'Unknown' for the Hour Pillar.
- Are the results absolute?
- No. Saju is not a tool for declaring fate. It is a perspective that helps you understand yourself. For medical, legal, financial, or personal safety decisions, please consult a qualified professional.
- Can users under 14 sign up?
- At this time, registration and use are only available to those aged 14 and older.
▎Kongming Saju Content
Explore More
Tarot Cards
Shuffle and draw a card from the Byeoli Original, Real-Life, or Ethereal deck.
Hwatu Fortune
Shuffle the 12-month Hwatu flower cards and draw one for today's fortune.
Daily Talisman
One talisman a day, matched to the day's energy. Collect them into your own gallery.
Celebrity Saju
Explore the saju flow of public figures based on their public birth years, for educational purposes
New Year Fortune
Gauge this year's tendencies through the flow of the annual and grand luck cycles
Saju Basics
Walk through the principles of the Heavenly Stems, Earthly Branches, Five Elements, and Ten Gods step by step
Anniversaries
Check auspicious dates for birthdays, 100-day and first-birthday milestones, and wedding anniversaries by the traditional almanac
Chat with Byeoli
Ask Byeoli — who knows your chart — anything, free and anytime.
▎HOW IT WORKS
Right now, everything is free
Instead of walling off paid tiers, we opened it up so you can experience it fully first.
RIGHT NOW · FREE
Free is plenty
You can start right away, no sign-up needed.
All the core features are free to explore.
- Natal chart — your 8 pillar characters, with Five Elements & Yin-Yang balance
- Today's flow — solar terms & daily energy, refreshed every day
- Quick compatibility — a reading of two people's Heavenly Stem pairing
- 60 Gapja gallery — browse every Day Master type
- Byeoli's guide — plain-language explanations of Saju terms
OPENING SOON
In preparationFor the long run, together
The readings, depth and all, are completely free.
We're preparing ways to keep and share them for the long run.
- Saju PDF — keep, print & gift for a lifetime
- Family & friends' Saju — register and give as a gift
- 2027 New Year overview — annual calendar & cross analysis
- Watermark-free cards — high-resolution to keep & share
- Byeoli unlimited — unlimited chats & readings
※ Kongming Saju offers one perspective for self-reflection · for medical, legal, financial, or life-safety decisions, please consult a professional
FINAL · One minute is all it takes
Ready to read your saju now?
With just your birth date and time, Byeoli delivers an authentic Myeongni reading in under a minute, based on the solar terms published by KASI.
Based on KASI-published solar terms · Free, no signup
