Pillarwise

Civil-date reference · 1997-01-21

January 21, 1997 BaZi Chart

Tuesday, January 21, 1997 maps to a reference three-pillar record of 丙子 · 辛丑 · 癸亥. The hour pillar remains unresolved until birth time and place are supplied.

癸亥day pillar · #60 of 60

Answer first: the reference Day Master for 1997-01-21 is Gui · Yin Water, and the day pillar is Yin Water Pig (癸亥). This is a date record, not a complete personal reading.

Year pillar丙子Yang Fire RatMonth pillar辛丑Yin Metal OxDay pillar癸亥Yin Water Pig

Deterministic record

1997-01-21 at a glance

Gregorian dateTuesday, January 21, 1997
Lunar date农历丙子年十二月十三 · lunar month 十二月, day 十三
Reference pillars丙子 · 辛丑 · 癸亥 (year · month · day)
Day MasterGui · Yin Water · heavenly stem
Solar-term positionDay 2 of Major Cold (大寒), beginning 1997-01-20
Next solar termStart of Spring (立春) · 1997-02-04 · 14 days away
Western constellationAquarius (水瓶)

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.

丙子Year 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 →

辛丑Month pillar

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 →

癸亥Day pillar

Yin Water Pig · Gui Hai

The visible stem is Gui · Yin Water; the branch is Hai · Pig · Water. Its Na Yin is 大海水, 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.

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 1997-01-21

What is the BaZi day pillar for Tuesday, January 21, 1997?

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

What is the Day Master for Tuesday, January 21, 1997?

The reference Day Master is 癸, Gui · Yin Water. 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 1997-01-21 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 1997-01-21?

1997-01-21 is day 2 of Major Cold (大寒) in this date reference. The next solar term is Start of Spring (立春) on 1997-02-04.