Yang Metal year pillar
Metal Rat 庚子
The Geng 庚 year stem carries Metal; the Rat's Zi 子 branch keeps its fixed Water coordinate.
Year pillar庚子Yang Metal Rat
Pillar anatomy
One stem above one branch
Earthly branch
Zi branch · Yang Water
- Solar coordinate
- Month 11, from Major Snow
- Season · direction
- Winter · N
- Double-hour
- 23:00–01:00
Hidden stems inside the Zi branch
- 癸guǐWaterprimary
This Na Yin is shared with the other pillar in its two-pillar cycle pair, 辛丑 Yin Metal Ox.
Exact date records
Metal Rat years, 1901–2099
The complete 庚子 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
1960
- Lunar-year boundary
- 28 January 1960 → 14 February 1961
- Li Chun · Start of Spring
- 5 February 1960 at 03:23
- Leap month
- Month 6
Complete signature return
2020
- Lunar-year boundary
- 25 January 2020 → 11 February 2021
- Li Chun · Start of Spring
- 4 February 2020 at 17:03
- Leap month
- Month 4
Complete signature return
2080
- Lunar-year boundary
- 22 January 2080 → 8 February 2081
- Li Chun · Start of Spring
- 4 February 2080 at 06:27
- Leap month
- Month 3
Metal Rat with the current Yang Fire Horse year
Clash
Clash 六冲
Heavenly-stem clash
庚 with 丙 · 天干相冲
Fire controls Metal
Metal year stem with the current Fire year stem.
Same branch, five stems
Compare all five Rat elements
Calendar and pillar conventions are recorded in the methodology.