Pillarwise

Civil-date reference · 2009-12-26

December 26, 2009 BaZi Chart

Saturday, December 26, 2009 maps to a reference three-pillar record of 己丑 · 丙子 · 乙巳. The hour pillar remains unresolved until birth time and place are supplied.

乙巳day pillar · #42 of 60

Answer first: the reference Day Master for 2009-12-26 is Yi · Yin Wood, and the day pillar is Yin Wood Snake (乙巳). This is a date record, not a complete personal reading.

Year pillar己丑Yin Earth OxMonth pillar丙子Yang Fire RatDay pillar乙巳Yin Wood Snake

Deterministic record

2009-12-26 at a glance

Gregorian dateSaturday, December 26, 2009
Lunar date农历己丑年十一月十一 · lunar month 十一月, day 十一
Reference pillars己丑 · 丙子 · 乙巳 (year · month · day)
Day MasterYi · Yin Wood · heavenly stem
Solar-term positionDay 5 of Winter Solstice (冬至), beginning 2009-12-22
Next solar termMinor Cold (小寒) · 2010-01-05 · 10 days away
Western constellationCapricorn (摩羯)

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.

己丑Year pillar

Yin Earth Ox · Ji Chou

The visible stem is Ji · Yin Earth; the branch is Chou · Ox · Earth. Its Na Yin is 霹雳火, and the branch contains hidden stems 己 · 癸 · 辛. Open the full Jiazi record →

丙子Month pillar

Yang Fire Rat · Bing Zi

The visible stem is Bing · Yang Fire; the branch is Zi · Rat · Water. Its Na Yin is 涧下水, and the branch contains hidden stem . Open the full Jiazi record →

乙巳Day pillar

Yin Wood Snake · Yi Si

The visible stem is Yi · Yin Wood; the branch is Si · Snake · Fire. Its Na Yin is 覆灯火, and the branch contains hidden stems 丙 · 庚 · 戊. 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.

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.

Enter time and place

Questions about 2009-12-26

What is the BaZi day pillar for Saturday, December 26, 2009?

In this civil-date reference, the day pillar is 乙巳 (Yin Wood Snake), cycle position 42 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.

What is the Day Master for Saturday, December 26, 2009?

The reference Day Master is 乙, Yi · Yin Wood. 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 2009-12-26 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 2009-12-26?

2009-12-26 is day 5 of Winter Solstice (冬至) in this date reference. The next solar term is Minor Cold (小寒) on 2010-01-05.