Yin Fire year pillar
Fire Ox 丁丑
The Ding 丁 year stem carries Fire; the Ox's Chou 丑 branch keeps its fixed Earth coordinate.
Year pillar丁丑Yin Fire 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, 丙子 Yang Fire Rat.
Exact date records
Fire Ox years, 1901–2099
The complete 丁丑 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
1937
- Lunar-year boundary
- 11 February 1937 → 30 January 1938
- Li Chun · Start of Spring
- 4 February 1937 at 13:25
- Leap month
- None · twelve lunar months
Complete signature return
1997
- Lunar-year boundary
- 7 February 1997 → 27 January 1998
- Li Chun · Start of Spring
- 4 February 1997 at 03:01
- Leap month
- None · twelve lunar months
Complete signature return
2057
- Lunar-year boundary
- 4 February 2057 → 23 January 2058
- Li Chun · Start of Spring
- 3 February 2057 at 16:42
- Leap month
- None · twelve lunar months
Fire Ox with the current Yang Fire Horse year
Harm
Harm 六害
No named stem relation
丁 with 丙
Fire meets Fire
Fire 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.