What the Four Transformations Are: How to Read Hua Lu, Hua Quan, Hua Ke and Hua Ji
The four transformations of Zi Wei Dou Shu — Hua Lu, Hua Quan, Hua Ke and Hua Ji — are derived from each palace's heavenly stem rather than being stars in their own right. This article explains what they mark, how the San He and Fei Xing schools use them differently, and why Hua Ji is not bad luck.