《黄帝内经·素问·六元正纪大论》
已巳年、已亥年。厥阴风木司天，少阳相火在泉。甲已为土运，已为阴年，故运为少宫。
厥阴、少商、少阳，热寒胜复同，同正角。
Yi Si year, Yi Hai year. Jueyin Wind Wood reigns in the sky, Young Yang Mutual Fire is in the springs. Jia Yi is Earth Course, Yi is the Yin year, so the course is Shao Gong.