Pillarwise

Civil-date reference · 1999-01-17

January 17, 1999 BaZi Chart

Sunday, January 17, 1999 maps to a reference three-pillar record of 戊寅 · 乙丑 · 己巳. The hour pillar remains unresolved until birth time and place are supplied.

己巳day pillar · #6 of 60

Answer first: the reference Day Master for 1999-01-17 is Ji · Yin Earth, and the day pillar is Yin Earth Snake (己巳). This is a date record, not a complete personal reading.

Year pillar戊寅Yang Earth TigerMonth pillar乙丑Yin Wood OxDay pillar己巳Yin Earth Snake

Deterministic record

1999-01-17 at a glance

Gregorian dateSunday, January 17, 1999
Lunar date农历戊寅年十二月初一 · lunar month 十二月, day 初一
Reference pillars戊寅 · 乙丑 · 己巳 (year · month · day)
Day MasterJi · Yin Earth · heavenly stem
Solar-term positionDay 12 of Minor Cold (小寒), beginning 1999-01-06
Next solar termMajor Cold (大寒) · 1999-01-20 · 3 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.

戊寅Year pillar

Yang Earth Tiger · Wu Yin

The visible stem is Wu · Yang Earth; the branch is Yin · Tiger · Wood. Its Na Yin is 城头土, and the branch contains hidden stems 甲 · 丙 · 戊. Open the full Jiazi record →

乙丑Month pillar

Yin Wood Ox · Yi Chou

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

己巳Day pillar

Yin Earth Snake · Ji Si

The visible stem is Ji · Yin Earth; the branch is Si · Snake · Fire. Its Na Yin is 大林木, 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 1999-01-17

What is the BaZi day pillar for Sunday, January 17, 1999?

In this civil-date reference, the day pillar is 己巳 (Yin Earth Snake), cycle position 6 of 60. A personal chart must still resolve the birthplace, local clock time, and day boundary.

What is the Day Master for Sunday, January 17, 1999?

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 1999-01-17 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 1999-01-17?

1999-01-17 is day 12 of Minor Cold (小寒) in this date reference. The next solar term is Major Cold (大寒) on 1999-01-20.