60 Jiazi 六十甲子
Yin Wood Ox (乙丑) in BaZi
Yin Wood Ox is Jiazi pillar #2: Yin Wood over the Ox branch, a deterministic stem-branch combination used in BaZi year, month, day, and hour pillars.
Yin Wood Ox (乙丑) is number 2 in the 60 Jiazi cycle. It combines the Yin Wood heavenly stem 乙 with the Ox earthly branch 丑. Read it as a pillar ingredient, not as a complete chart verdict.
#2 · Yi Chou
| Cycle number | 2 / 60 |
| Heavenly stem | 乙 · Yin Wood |
| Earthly branch | 丑 · Ox |
| Branch season | late winter |
| Hidden stems | 己, 癸, 辛 |
What this pillar describes
Yin Wood Ox is a stem-branch pair, not a standalone personality type. The heavenly stem shows the visible qi on top; the earthly branch shows the seasonal container underneath. The hidden stems inside the branch explain why a pillar can carry more than one layer of meaning.
The Ox branch belongs to late winter and carries hidden stems 己, 癸, 辛. In a real reading, Pillarwise weighs this pillar against the day master, season, Ten Gods, roots, combinations, and clashes before drawing any life-area meaning.
In practice, the same Jiazi pillar reads differently when it appears as a year pillar, month pillar, day pillar, or hour pillar. Pillarwise keeps this page as a deterministic reference, then lets the calculator decide how the pillar behaves inside the whole chart.
How Pillarwise uses this reference
First identify where 乙丑 appears: year, month, day, hour, luck pillar, or annual timing. The same row is data; the chart position gives it function.
The branch is checked for combinations, clashes, harms, and roots against the rest of the chart. Those relationships decide whether the pillar supports, exposes, or redirects a pattern.
The stem and hidden stems become Ten Gods only after they are compared to the day master. That is why this page avoids turning a single pillar into a fixed verdict.
Adjacent Jiazi references
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Questions 問答
Frequently asked
乙丑 is number 2 of the 60 stem-branch combinations.
Its heavenly stem is 乙 (Yi), Yin Wood.
Its earthly branch is 丑 (Chou), commonly associated with the Ox.