Yin Wood year pillar
Wood Ox 乙丑
The Yi 乙 year stem carries Wood; the Ox's Chou 丑 branch keeps its fixed Earth coordinate.
Year pillar乙丑Yin Wood Ox
Pillar anatomy
One stem above one branch
Earthly branch
Chou branch · Yin Earth
- Solar coordinate
- Month 12, from Minor Cold
- Season · direction
- Winter · NNE
- Double-hour
- 01:00–03:00
This Na Yin is shared with the other pillar in its two-pillar cycle pair, 甲子 Yang Wood Rat.
Exact date records
Wood Ox years, 1901–2099
The complete 乙丑 pillar returns every sixty years. Each record below keeps the same animal, stem element, and polarity, while its exact lunar-year boundary and leap-month pattern change.
Complete signature return
1925
- Lunar-year boundary
- 24 January 1925 → 12 February 1926
- Li Chun · Start of Spring
- 4 February 1925 at 15:36
- Leap month
- Month 4
Complete signature return
1985
- Lunar-year boundary
- 20 February 1985 → 8 February 1986
- Li Chun · Start of Spring
- 4 February 1985 at 05:11
- Leap month
- None · twelve lunar months
Complete signature return
2045
- Lunar-year boundary
- 17 February 2045 → 5 February 2046
- Li Chun · Start of Spring
- 3 February 2045 at 18:36
- Leap month
- None · twelve lunar months
Wood Ox with the current Yang Fire Horse year
Harm
Harm 六害
No named stem relation
乙 with 丙
Wood generates Fire
Wood year stem with the current Fire year stem.
Same branch, five stems
Compare all five Ox elements
Calendar and pillar conventions are recorded in the methodology.