Like astrology, but built from the exact moment you were born
Saju is a centuries-old Korean reading system that works a lot like Western astrology — except instead of just your sun sign, it uses your full birth date and time to build a much more detailed chart. Try a free one-line reading below.
Try the free demoTwo ways to read your life
Zodiac sign vs. saju chart
Western astrology gives you one sign based on your birth month. Saju uses four pairs of values — year, month, day, and hour — for a chart that's unique to your exact birth moment.
Western zodiac
A sky-based system
The same sign for everyone born that month — a wide, general read.
Birth month1 of 12 signsSun-based
Saju (사주)
A time-based Korean system
Combines the year, month, day, and hour you were born — a much more specific starting point.
Year
Month
Day
Hour
Meaning through combining all four
Exact birth time4 pillarsOne-of-a-kind combination
| Category | Western zodiac | Saju (사주) |
|---|---|---|
◧Core unit | 1 sign From your birth month | 4 pillars Year, month, day, hour |
◔Input needed | Birth date, time & location | Birth date & time No location needed |
◫Structure | Orbital system Planets & positions in signs | Combination system How the four pillars interact |
◎Often used for | Personality & traits | Timing & life flow |
Get a free one-line reading
No sign-up needed. Enter your birth date and see a taste of what Saju Letter sends every morning.