Sources · 唐·李虚中（旧题）
三命术源头：以年柱为主、纳音五行的早期论命体系，早于子平四柱
We hold a machine-readable copy for rule checking; the annotated Chinese reading is published on our Chinese site: 李虚中命书.
Readings follow the traditional Chinese system and describe how the classics read a chart. They are not predictions and not medical, legal or financial advice.