So the summer solstice is also given a very arcane description: "Yin and Yang compete for death and life." (The moon is viewed as being a Yin force, and the sun is viewed as a Yang force.)
所以夏至還有個很「玄」的形容﹘ ﹘「陰陽爭死生分」，充分反應出古人的陰陽五行觀。