BaZi Chart for December 31, 1990
The Four Pillars (BaZi) chart for a solar birth date of December 31, 1990. The Day Master is 庚 (金 Metal). The Year, Month and Day pillars below are computed deterministically by the engine from the solar terms. Birth time is unknown, so the Hour pillar is omitted — add a birth time for the full chart and reading.
Day Master
庚 Metal
Lunar Date
庚午 · 11/15
Chinese Zodiac
马 Horse
Sun Sign
摩羯座 Capricorn
The Four Pillars
| Year | Month | DayDM | Hour | |
|---|---|---|---|---|
| Stem · Branch | 庚午 | 戊子 | 庚午 | — Birth hour unknown — not computed Add a birth time |
| Ten God | 比肩 | 偏印 | 比肩 | — |
| Hidden Stems | 丁正官己正印 | 癸伤官 | 丁正官己正印 | — |
| Life Stage | 沐浴 | 死 | 沐浴 | — |
| Self-sitting | 沐浴 | 胎 | 沐浴 | — |
| Nayin | 路旁土 | 霹雳火 | 路旁土 | — |
| Void | — | — | — | — |
Calendar & Solar Terms
Converted by the engine from the calendar and the solar-term boundaries.
- Solar Terms
- 24 days after 大雪 · 6 days to 小寒大雪 Dec 7, 17:14 · 小寒 Jan 6, 04:28
- Void Branches
- 戌, 亥
- Tai Yuan (胎元)
- 己卯（城头土）
- Tai Xi (胎息)
- 乙未（砂中金）
- This Year
- In 2026 (丙午), the year stem is 七杀 relative to the 庚 Day Master.
Stem & Branch Interactions
Interactions among the Year, Month and Day pillars only — the Hour pillar is not included.
Shen Sha
Looked up from the Year, Month and Day pillars; hour-dependent and gender-dependent stars are not listed.
What a birth time unlocks
Want the full chart (Hour pillar, luck cycles, useful god & pattern) with a personalized reading? Add your birth time.
Hour Pillar
The fourth pillar needs the birth hour.
Strength
The Day Master's strength is graded on the full four pillars.
Pattern
Pattern selection can change with the hour pillar.
Useful God
Useful, favorable, and unfavorable gods are selected once all four pillars are fixed.
Luck Cycles
Luck-cycle layout and the starting age need birth time and gender.
Ming Gong (命宫)
Derived from the month and hour branches — needs the birth hour.