Enter your birth date and time to instantly calculate your Saju — the Korean Four Pillars of Destiny. See your Eight Characters, Five Elements, and Day Master in seconds.
Saju (사주), or the Four Pillars of Destiny, reads your birth year, month, day, and hour as eight characters built from the Heavenly Stems and Earthly Branches. Their balance of the Five Elements — Wood, Fire, Earth, Metal, and Water — reveals your personality, fortune, and relationships. Unlike a Western horoscope (birth month only) or the zodiac (birth year only), Saju reads all four pillars, so two people of the same zodiac sign get completely different charts. This calculator is exact: the chart comes from a perpetual calendar, not guesswork.
Saju is East Asian astrology that reads your birth year, month, day, and hour as eight characters (Heavenly Stems and Earthly Branches), revealing personality, fortune, wealth, and relationships through the flow of the Five Elements (Wood, Fire, Earth, Metal, Water).
Yes. Enter your birth date and time to see your Eight Characters and a core reading for free. Deeper interpretation is available after signing up.
The Four Pillars calculation (pillars, Five Elements, Ten Gods, special stars) is deterministic and exact from a perpetual calendar. The AI only turns that accurate data into a natural reading — it never fabricates the chart.
Both work. If you enter a lunar date, the server converts it to solar for an accurate chart. Knowing your birth time adds the Hour Pillar for greater precision.
A horoscope uses only your birth month and the zodiac only your birth year. Saju reads all four pillars — year, month, day, and hour — so two people of the same sign can get completely different results.
Yes. Compatibility is read from the relationship between two people’s Day Masters and elements (generating, controlling, stem combinations, clashes). Just enter both birth dates.