Civil-date reference · 2021-04-09
April 9, 2021 BaZi Chart
Friday, April 9, 2021 maps to a reference three-pillar record of 辛丑 · 壬辰 · 丁亥. The hour pillar remains unresolved until birth time and place are supplied.
Answer first: the reference Day Master for 2021-04-09 is Ding · Yin Fire, and the day pillar is Yin Fire Pig (丁亥). This is a date record, not a complete personal reading.
Deterministic record
2021-04-09 at a glance
| Gregorian date | Friday, April 9, 2021 |
|---|---|
| Lunar date | 农历辛丑年二月廿八 · lunar month 二月, day 廿八 |
| Reference pillars | 辛丑 · 壬辰 · 丁亥 (year · month · day) |
| Day Master | Ding · Yin Fire · heavenly stem 丁 |
| Solar-term position | Day 6 of Clear and Bright (清明), beginning 2021-04-04 |
| Next solar term | Grain Rain (谷雨) · 2021-04-20 · 11 days away |
| Western constellation | Aries (白羊) |
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.
Yin Metal Ox · Xin Chou
The visible stem is Xin · Yin Metal; the branch is Chou · Ox · Earth. Its Na Yin is 壁上土, and the branch contains hidden stems 己 · 癸 · 辛. Open the full Jiazi record →
Yang Water Dragon · Ren Chen
The visible stem is Ren · Yang Water; the branch is Chen · Dragon · Earth. Its Na Yin is 长流水, and the branch contains hidden stems 戊 · 乙 · 癸. Open the full Jiazi record →
Yin Fire Pig · Ding Hai
The visible stem is Ding · Yin Fire; the branch is Hai · Pig · Water. Its Na Yin is 屋上土, and the branch contains hidden stems 壬 · 甲. 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 April 2021
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 2021-04-09
What is the BaZi day pillar for Friday, April 9, 2021?
In this civil-date reference, the day pillar is 丁亥 (Yin Fire Pig), cycle position 24 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.
What is the Day Master for Friday, April 9, 2021?
The reference Day Master is 丁, Ding · Yin Fire. 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 2021-04-09 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 2021-04-09?
2021-04-09 is day 6 of Clear and Bright (清明) in this date reference. The next solar term is Grain Rain (谷雨) on 2021-04-20.