Civil-date reference · 2011-12-20
December 20, 2011 BaZi Chart
Tuesday, December 20, 2011 maps to a reference three-pillar record of 辛卯 · 庚子 · 己酉. The hour pillar remains unresolved until birth time and place are supplied.
Answer first: the reference Day Master for 2011-12-20 is Ji · Yin Earth, and the day pillar is Yin Earth Rooster (己酉). This is a date record, not a complete personal reading.
Deterministic record
2011-12-20 at a glance
| Gregorian date | Tuesday, December 20, 2011 |
|---|---|
| Lunar date | 农历辛卯年十一月廿六 · lunar month 十一月, day 廿六 |
| Reference pillars | 辛卯 · 庚子 · 己酉 (year · month · day) |
| Day Master | Ji · Yin Earth · heavenly stem 己 |
| Solar-term position | Day 14 of Major Snow (大雪), beginning 2011-12-07 |
| Next solar term | Winter Solstice (冬至) · 2011-12-22 · 2 days away |
| Western constellation | Sagittarius (射手) |
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 Rabbit · Xin Mao
The visible stem is Xin · Yin Metal; the branch is Mao · Rabbit · Wood. Its Na Yin is 松柏木, and the branch contains hidden stem 乙. Open the full Jiazi record →
Yang Metal Rat · Geng Zi
The visible stem is Geng · Yang Metal; the branch is Zi · Rat · Water. Its Na Yin is 壁上土, and the branch contains hidden stem 癸. Open the full Jiazi record →
Yin Earth Rooster · Ji You
The visible stem is Ji · Yin Earth; the branch is You · Rooster · Metal. Its Na Yin is 大驿土, and the branch contains hidden stem 辛. 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 December 2011
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 2011-12-20
What is the BaZi day pillar for Tuesday, December 20, 2011?
In this civil-date reference, the day pillar is 己酉 (Yin Earth Rooster), cycle position 46 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.
What is the Day Master for Tuesday, December 20, 2011?
The reference Day Master is 己, Ji · Yin Earth. 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 2011-12-20 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 2011-12-20?
2011-12-20 is day 14 of Major Snow (大雪) in this date reference. The next solar term is Winter Solstice (冬至) on 2011-12-22.