ZEROBASEONE · Bias match
Korean Saju reads compatibility from two birth charts — not sun signs. Enter your birthday and see your match type with Matthew in 10 seconds. Free.
Matthew is The Sunlit Blade — a Yang Fire Day Master (the core element of their Four Pillars). That's the chart we'll read yours against.
| Pillar | Stem | Branch |
|---|---|---|
| Year | 壬 Im · Yang Water | 午 O · Horse · Fire |
| Month | 乙 Eul · Yin Wood | 巳 Sa · Snake · Fire |
| Day | 丙 Byeong · Yang Fire | 申 Sin · Monkey · Metal |
| Hour | Unknown (birth time not public) | |
| Wood | Fire | Earth | Metal | Water |
|---|---|---|---|---|
| 1 | 3 | 0 | 1 | 1 |
Birthday: Korean Wikipedia gives this date (checked October 20, 2026). Pillars: Palja's manseryeok engine, year and month switching at the exact solar term.
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Matthew was born on May 28, 2002. Matthew's birth time is not public, so Matthew's Saju chart has three pillars (year, month and day) instead of four.
Matthew's pillars are 壬午 (Im-O) year, 乙巳 (Eul-Sa) month and 丙申 (Byeong-Sin) day. The Day Master is Yang Fire (丙 Byeong), and the six characters hold 3 Fire, 1 Wood, 1 Metal, 1 Water and 0 Earth.
Saju (사주, "Four Pillars") maps your birth date and time to five elements. Compatibility compares two people's day pillars — the part that rules relationships — to score chemistry, stability, growth and friction. Matthew's chart is fixed; yours is calculated live in your browser (your birthday never leaves your device).