Understanding the Heavenly Stems (天干) What is Heavenly Stems(Cheongan,天干)? If you have a clear understanding of the Heavenly Stems (천간, Cheongan) and Earthly Branches (지지, Jiji), you are halfway done with your study of Saju Myeongri. Saju Myeongri is a type of semiotics, and you must first accurately understand its symbols to analyze your own...
