Civil-date reference · 1918-09-20
September 20, 1918 BaZi Chart
Friday, September 20, 1918 maps to a reference three-pillar record of 戊午 · 辛酉 · 庚午. The hour pillar remains unresolved until birth time and place are supplied.
Answer first: the reference Day Master for 1918-09-20 is Geng · Yang Metal, and the day pillar is Yang Metal Horse (庚午). This is a date record, not a complete personal reading.
Deterministic record
1918-09-20 at a glance
| Gregorian date | Friday, September 20, 1918 |
|---|---|
| Lunar date | 农历戊午年八月十六 · lunar month 八月, day 十六 |
| Reference pillars | 戊午 · 辛酉 · 庚午 (year · month · day) |
| Day Master | Geng · Yang Metal · heavenly stem 庚 |
| Solar-term position | Day 13 of White Dew (白露), beginning 1918-09-08 |
| Next solar term | Autumn Equinox (秋分) · 1918-09-24 · 4 days away |
| Western constellation | Virgo (处女) |
Three coordinates, three jobs
What the reference pillars contain
Each stem-branch pair is a deterministic calendar coordinate. Its role changes by pillar position, so the three rows stay separate rather than collapsing into one personality label.
Yang Earth Horse · Wu Wu
The visible stem is Wu · Yang Earth; the branch is Wu · Horse · Fire. Its Na Yin is 天上火, and the branch contains hidden stems 丁 · 己. Open the full Jiazi record →
Yin Metal Rooster · Xin You
The visible stem is Xin · Yin Metal; the branch is You · Rooster · Metal. Its Na Yin is 石榴木, and the branch contains hidden stem 辛. Open the full Jiazi record →
Yang Metal Horse · Geng Wu
The visible stem is Geng · Yang Metal; the branch is Wu · Horse · Fire. Its Na Yin is 路旁土, and the branch contains hidden stems 丁 · 己. Open the full Jiazi record →
Calculation boundary
What this date does not settle
The atlas uses a standard civil-date reference so dates can be compared consistently. A real birth happened at a place and an instant, not inside a URL slug.
- Hour pillar: requires birth time after historical timezone and true-solar-time correction.
- Day boundary: a late-night clock time can cross the adopted Zi-hour or solar-day boundary after correction.
- Solar-term boundary: an actual birth instant near a term transition can change the resolved year or month pillar.
- Interpretation: one date or one Jiazi pair does not determine career, relationships, wealth, health, or events.
Every date in September 1918
Resolve the fourth pillar
Calculate the actual birth chart
Add birth time and birthplace. Pillarwise then resolves historical timezone, longitude correction, equation of time, day-boundary risk, and the hour pillar before it generates a chart.
Questions about 1918-09-20
What is the BaZi day pillar for Friday, September 20, 1918?
In this civil-date reference, the day pillar is 庚午 (Yang Metal Horse), cycle position 7 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.
What is the Day Master for Friday, September 20, 1918?
The reference Day Master is 庚, Geng · Yang Metal. The Day Master is the heavenly stem of the resolved day pillar; it is not a complete personality result.
Can I calculate a complete BaZi chart from 1918-09-20 alone?
No. A complete Four Pillars chart requires birth time and birthplace. Historical timezone, longitude correction, equation of time, and hour or day boundaries can materially change the resolved chart.
Which solar term contains 1918-09-20?
1918-09-20 is day 13 of White Dew (白露) in this date reference. The next solar term is Autumn Equinox (秋分) on 1918-09-24.