Yin Earth year pillar
Earth Goat 己未
The Ji 己 year stem carries Earth; the Goat's Wei 未 branch keeps its fixed Earth coordinate.
Year pillar己未Yin Earth Goat
Five Phases direction
Earth meets Earth
Both positions carry Earth, so the element repeats rather than generating or controlling another element.
Pillar anatomy
One stem above one branch
Earthly branch
Wei branch · Yin Earth
- Solar coordinate
- Month 6, from Minor Heat
- Season · direction
- Summer · SSW
- Double-hour
- 13:00–15:00
This Na Yin is shared with the other pillar in its two-pillar cycle pair, 戊午 Yang Earth Horse.
Exact date records
Earth Goat years, 1901–2099
The complete 己未 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
1919
- Lunar-year boundary
- 1 February 1919 → 19 February 1920
- Li Chun · Start of Spring
- 5 February 1919 at 04:39
- Leap month
- Month 7
Complete signature return
1979
- Lunar-year boundary
- 28 January 1979 → 15 February 1980
- Li Chun · Start of Spring
- 4 February 1979 at 18:12
- Leap month
- Month 6
Complete signature return
2039
- Lunar-year boundary
- 24 January 2039 → 11 February 2040
- Li Chun · Start of Spring
- 4 February 2039 at 07:52
- Leap month
- Month 5
Complete signature return
2099
- Lunar-year boundary
- 21 January 2099 → 8 February 2100
- Li Chun · Start of Spring
- 3 February 2099 at 21:09
- Leap month
- Month 2
Earth Goat with the current Yang Fire Horse year
2 overlapping branch relations
Six Harmonies (secret friend) 六合 · Seasonal meeting 三会
No named stem relation
己 with 丙
Fire generates Earth
Earth year stem with the current Fire year stem.
Same branch, five stems
Compare all five Goat elements
Calendar and pillar conventions are recorded in the methodology.