Dr. Jaeger used the daylight time of the days to create a Yin Yang Model at Beijing China in 2008. The Yin Yang shape is very close to the Old Tai Chi diagram. He published his mathematical daylight time model for the Yin Yang symbol in 2011.

Dr. Jaeger's Yin Yang Symbol

Dr. Stefan Jaeger's website is at www.jaeger.info

In 2011, Dr. Stefan Jaeger published A Geomedical Approach to Chinese Medicine: The Origin of the Yin-Yang Symbol, in the Recent Advances in Theories and Practice of Chinese Medicine, ISBN: 978-953-307-903-5

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