Pillarwise

Civil-date reference · 2001-12-30

December 30, 2001 BaZi Chart

Sunday, December 30, 2001 maps to a reference three-pillar record of 辛巳 · 庚子 · 丁卯. The hour pillar remains unresolved until birth time and place are supplied.

丁卯day pillar · #4 of 60

Answer first: the reference Day Master for 2001-12-30 is Ding · Yin Fire, and the day pillar is Yin Fire Rabbit (丁卯). This is a date record, not a complete personal reading.

Year pillar辛巳Yin Metal SnakeMonth pillar庚子Yang Metal RatDay pillar丁卯Yin Fire Rabbit

Deterministic record

2001-12-30 at a glance

Gregorian dateSunday, December 30, 2001
Lunar date农历辛巳年十一月十六 · lunar month 十一月, day 十六
Reference pillars辛巳 · 庚子 · 丁卯 (year · month · day)
Day MasterDing · Yin Fire · heavenly stem
Solar-term positionDay 9 of Winter Solstice (冬至), beginning 2001-12-22
Next solar termMinor Cold (小寒) · 2002-01-05 · 6 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.

辛巳Year pillar

Yin Metal Snake · Xin Si

The visible stem is Xin · Yin Metal; the branch is Si · Snake · Fire. Its Na Yin is 白蜡金, and the branch contains hidden stems 丙 · 庚 · 戊. Open the full Jiazi record →

庚子Month pillar

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 . Open the full Jiazi record →

丁卯Day pillar

Yin Fire Rabbit · Ding Mao

The visible stem is Ding · Yin Fire; the branch is Mao · Rabbit · Wood. Its Na Yin is 炉中火, 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 2001-12-30

What is the BaZi day pillar for Sunday, December 30, 2001?

In this civil-date reference, the day pillar is 丁卯 (Yin Fire Rabbit), cycle position 4 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.

What is the Day Master for Sunday, December 30, 2001?

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 2001-12-30 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 2001-12-30?

2001-12-30 is day 9 of Winter Solstice (冬至) in this date reference. The next solar term is Minor Cold (小寒) on 2002-01-05.