Pillarwise

Civil-date reference · 2009-01-04

January 4, 2009 BaZi Chart

Sunday, January 4, 2009 maps to a reference three-pillar record of 戊子 · 甲子 · 己酉. The hour pillar remains unresolved until birth time and place are supplied.

己酉day pillar · #46 of 60

Answer first: the reference Day Master for 2009-01-04 is Ji · Yin Earth, and the day pillar is Yin Earth Rooster (己酉). This is a date record, not a complete personal reading.

Year pillar戊子Yang Earth RatMonth pillar甲子Yang Wood RatDay pillar己酉Yin Earth Rooster

Deterministic record

2009-01-04 at a glance

Gregorian dateSunday, January 4, 2009
Lunar date农历戊子年十二月初九 · lunar month 十二月, day 初九
Reference pillars戊子 · 甲子 · 己酉 (year · month · day)
Day MasterJi · Yin Earth · heavenly stem
Solar-term positionDay 15 of Winter Solstice (冬至), beginning 2008-12-21
Next solar termMinor Cold (小寒) · 2009-01-05 · 1 day 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.

戊子Year pillar

Yang Earth Rat · Wu Zi

The visible stem is Wu · Yang Earth; the branch is Zi · Rat · Water. Its Na Yin is 霹雳火, and the branch contains hidden stem . Open the full Jiazi record →

甲子Month pillar

Yang Wood Rat · Jia Zi

The visible stem is Jia · Yang Wood; the branch is Zi · Rat · Water. Its Na Yin is 海中金, and the branch contains hidden stem . Open the full Jiazi record →

己酉Day pillar

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 . 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 2009-01-04

What is the BaZi day pillar for Sunday, January 4, 2009?

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 Sunday, January 4, 2009?

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 2009-01-04 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 2009-01-04?

2009-01-04 is day 15 of Winter Solstice (冬至) in this date reference. The next solar term is Minor Cold (小寒) on 2009-01-05.