Earthly Branches vs. Zodiac Animals (地支與生肖)
Separate the twelve calendrical branches from their animal labels, distinguish the four Bazi branches from the year animal, and disclose year-boundary conventions.
Overview
The twelve zodiac animals are mnemonic labels associated with the twelve Earthly Branches. Popular zodiac discussion usually refers only to the year branch, while a Bazi chart contains year, month, day, and hour branches plus hidden stems and relations. The animal does not replace the branch data, and neither system can establish personality, compatibility, health, wealth, or fate from one label.
At a glance
- Underlying system
- Twelve ordered Earthly Branches
- Animal layer
- Twelve mnemonic animal associations
- Popular zodiac scope
- Usually the year branch only
- Bazi scope
- Year, month, day, and hour branches plus hidden stems
- Boundary issue
- Year turnover convention must be declared
- Safety boundary
- Animal labels cannot determine identity or compatibility
Keep animal label and branch symbol as separate fields
Rat corresponds to Zi, Ox to Chou, and the sequence continues through Pig and Hai, but the branch remains the computational symbol.
Separating fields prevents a translated animal name from replacing polarity, phase, month, hour, hidden stems, and relation data.
- Store branch key independently.
- Treat the animal as a localized display label.
A Four-Pillars chart is wider than the year animal
Bazi includes four branch positions and their interactions, so two people with the same year animal can have very different charts.
Even the full branch network remains an interpretive model and should not be reduced to a compatibility score.
- Show all four branch positions.
- Do not use year-animal matching as chart analysis.
Disclose how the zodiac year boundary is resolved
Popular lunar-year labels and Bazi methods using Start of Spring can disagree for dates near the beginning of a civil year.
The page or tool must name its convention, keep the birth timestamp and location, and avoid silently switching boundaries between views.
- State lunar-year or solar-term convention.
- Keep results consistent across the product.
Animals do not define people or relationships
A zodiac animal cannot reveal personality, ethnicity, gender, morality, health, intelligence, employment, or relationship safety.
Do not make hiring, dating, medical, financial, or legal decisions from animal labels or branch compatibility alone.
- Reject animal-based stereotyping.
- No high-stakes compatibility decision.
Sources and editorial basis
- Taiwan Ministry of Education Dictionary: 地支教育部《重編國語辭典修訂本》「十二地支」：地支為紀年、月、日、時的符號序列Taiwan’s official dictionary definition and canonical listing of the twelve Earthly Branches and their calendrical use.
- Hong Kong Observatory: Heavenly Stems and Earthly Branches香港天文台「天干地支」：生肖是地支紀年的通俗動物配對，地支另有月份與時辰用途An official modern reference for the canonical stem and branch orders, the sexagenary cycle, and calendrical use.
- OpenFate Editorial Methodology地支與生肖差別頁保留四柱、藏干和關係層，禁止以年生肖推斷人格、適配與敏感屬性OpenFate separates deterministic chart calculation, traditional interpretation, and modern editorial explanation.