BaZi Chart Calculator (八字排盤)
📖 技能介紹
name: bazi description: Professional BaZi (八字) chart calculator and analysis tool. Calculate Four Pillars of Destiny from birth date, time, and location. Features precise solar term calculation (ephem astronomy), true solar time correction, hidden stems, ten gods, five elements analysis, major luck periods, and clash/combine/harm relationships. Use when user asks about BaZi, Chinese astrology, Four Pillars, birth chart, 八字排盤, 命理, 四柱, 排八字, or fortune telling based on Chinese metaphysics.
八字排盤 (BaZi Chart Calculator)
Professional Four Pillars of Destiny calculator with astronomical precision.
Setup
cd <skill_dir>
python3 -m venv venv && source venv/bin/activate
pip install -r scripts/requirements.txt
Only dependency: ephem (astronomy library for solar term calculation).
Usage
# Text output (default)
python scripts/bazi.py --date 1990-08-18 --time 06:00 --city 上海 --gender male
# JSON output
python scripts/bazi.py --date 1990-08-18 --time 06:00 --city 上海 --gender male --format json
# With coordinates instead of city
python scripts/bazi.py --date 1990-08-18 --time 06:00 --lat 31.23 --lon 121.47 --gender male
# Disable true solar time correction
python scripts/bazi.py --date 1990-08-18 --time 06:00 --city 上海 --gender male --no-solar-correction
# Include annual luck (流年) for specific year
python scripts/bazi.py --date 1990-08-18 --time 06:00 --city 上海 --gender male --year 2026
What It Calculates
| Feature | Description |
|---|---|
| Four Pillars | Year, Month, Day, Hour stems and branches |
| Solar Terms | Precise astronomical calculation for month pillar boundaries |
| True Solar Time | Longitude + equation of time correction (critical for western China) |
| Hidden Stems | 本氣/中氣/餘氣 for each branch |
| Ten Gods | All stem relationships relative to Day Master |
| Five Elements | Weighted distribution (hidden stems: 60%/30%/10%) + Day Master strength |
| Major Luck | Forward/reverse periods based on gender + year stem polarity |
| Relationships | 六合, 三合, 六沖, 三刑, 六害, 天干五合, 天干衝 |
Built-in Cities
50+ Chinese cities with latitude/longitude. Pass --city 城市名 directly.
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Agent Integration
When a user provides birth info in conversation, extract date/time/city/gender and run the CLI. Format the text output as a message. For deeper analysis questions, use JSON output and interpret the data.
Module Structure
bazi/
├── scripts/bazi.py # CLI entry point
├── lib/
│ ├── pillars.py # Four pillar calculation
│ ├── solar_terms.py # Solar term astronomy (ephem)
│ ├── true_solar_time.py # True solar time correction
│ ├── hidden_stems.py # Hidden stems table
│ ├── ten_gods.py # Ten gods derivation
│ ├── five_elements.py # Five elements analysis
│ ├── major_luck.py # Major luck periods
│ ├── relationships.py # Clash/combine/harm
│ ├── cities.py # City coordinate lookup
│ └── constants.py # Stems, branches, mappings
└── data/cities.json # City database
🤖 AI 評測
整體質量良好，是一個功能全面的八字排盤工具。該 Skill 在節氣和時間修正上做得比較專業，能輸出四柱、十神、五行分佈、大運流年等豐富資訊，文本和JSON兩種輸出格式也很實用。不過目前更像一個"排盤計算器"，對八字的分析解讀能力有限，缺少自動化的命盤分析結論。對於想深入瞭解八字的使用者來說，可能還需要結合其他工具使用。
