What I Learned Building a BaZi Tool as a Chinese Maker
Five lessons about trust, incomplete birth data, privacy and Chinese visual language from building a BaZi tool for curious beginners.
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Notes on Building and Learning BaZi
First-hand notes about making a culturally specific tool clearer, more useful and easier to explore.
Why Do BaZi Calculators Give Different Results?
A practical way to separate input problems, calculation conventions and interpretation differences—with three reproducible boundary cases.
Read the articleBaZi Da Yun Starting Age Calculation: Formula and Example
The Da Yun starting-age formula, direction rule and a tested case showing why one chart starts at age 2 while another starts at age 8.
Read the articleBaZi Without Birth Time: What a Three-Pillar Chart Can Show
A Three-Pillar Chart keeps the Year, Month and Day Pillars when the birth hour is unknown — what it can still tell you, what it cannot, and the one date that forces the calculator to ask for time.
Read the articleBaZi Missing Element: What It Means and Why You Shouldn't Just "Fill" It
A chart missing one of the Five Elements is normal, not broken. Here is why "missing" is a distribution observation, not a strength verdict — and why filling it is a shortcut to avoid.
Read the articleTrue Solar Time in BaZi: When It Changes the Hour Pillar
A solar-time correction can be nine minutes or more than an hour, yet the Hour Pillar changes only if that corrected time crosses a branch boundary.
Read the articleBaZi vs Chinese Zodiac: What's the Difference?
Your zodiac animal is part of a BaZi chart, but it is only one Earthly Branch inside a much larger four-pillar structure.
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