Jiazi reference · #34 of 60
Yin Fire Rooster (丁酉) in BaZi
Yin Fire Rooster is Jiazi pillar #34: Yin Fire over the Rooster branch, a deterministic stem-branch combination used in BaZi year, month, day, and hour pillars.
Yin Fire Rooster (丁酉) is number 34 in the 60 Jiazi cycle. It combines the Yin Fire heavenly stem 丁 with the Rooster earthly branch 酉. Read it as a pillar ingredient, not as a complete chart verdict.
Deterministic record
What the pair contains
These fields identify a fixed cycle row. They do not change between charts; only the pair's position and relationships change its interpretive role.
| Cycle number | 34 / 60 |
| Heavenly stem | 丁 · Ding · Yin Fire |
| Earthly branch | 酉 · You · Rooster |
| Branch element | Metal |
| Branch season | mid-autumn |
| Hidden stems | 辛 · Xin · Yin Metal |
| Element relation | Fire controls Metal |
Five Element structure
Fire controls Metal
The visible fire stem controls the branch's metal element in the Five Element cycle. This is a raw Five Element relation, not a favorable-or-unfavorable score.
01 · Definition
What this pillar records
Yin Fire Rooster 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 Rooster branch belongs to mid-autumn and carries hidden stem 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.
At the raw Five Element level, this pair records fire controls metal. That relationship is one input to the chart calculation; it does not decide whether the pillar is useful, difficult, strong, or weak on its own.
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 chart context establish its function.
02 · Position first
The same pair, four different jobs
Places 丁酉 in the chart's broad inherited and social frame. It is not a complete ancestry or childhood verdict.
Places the pair in the seasonal and structural frame. The branch's season matters here, but Pattern still requires the complete month-order method.
The stem is the Day Master when 丁酉 is the day pillar; the branch is its seat. This is not the same job as the same pair in another pillar.
Places the pair in the hour layer after local time rules are resolved. It cannot be trusted if the hour boundary was calculated incorrectly.
03 · Work the sequence
Suppose 丁酉 appears in a day pillar
First record 丁 as the Day Master and 酉 as its branch seat. Then expand the branch's hidden stems (辛), compare every stem to 丁 to derive Ten Gods, and test roots and branch relations across the other three pillars. Only that full procedure can support a contextual reading; the label “Yin Fire Rooster” alone cannot.
04 · Interpretation boundary
What 丁酉 cannot prove
This pair cannot independently prove a personality, career, relationship outcome, wealth level, health condition, rank, danger, or dated event. Do not transfer an interpretation from a day pillar to a year, month, hour, luck, or annual pillar without recalculating its role.
Questions
Frequently asked
丁酉 is number 34 of the 60 stem-branch combinations.
Its heavenly stem is 丁 (Ding), Yin Fire.
Its earthly branch is 酉 (You), commonly associated with the Rooster.
The 酉 branch carries 辛 · Xin · Yin Metal. Hidden stems are branch contents used in full-chart calculation; they do not turn this pillar into a standalone verdict.