1990-4-25, the first day of the fourth month of the lunar calendar, the eight characters are: Geng Wu Geng Chen Geng Shen Xin Si, the year of life is soil on the roadside, the five elements are five metals, two are fire and one is earth, the eight characters are short of water, wood, and Chen. There are Yimu and Guishui in the middle, Renshui in the Shen, six of the same type are earth and gold, and two are of the different type fire. The five elements of the sun are Geng Metal, and fortune-telling is centered on Geng Metal.