Jia: What does Jin mean?

The answer of Xihai No.1 Division is correct, but I'm afraid it's hard for you to understand. Please add some explanations.

Jiazi Yin Na: Jianfeng Gold belongs to the five elements of Jiazi Year, and belongs to Jianfeng Gold (others include Jinbojin, Haijinjin and so on). ). The so-called "Yin Na" is used in the previous eight-character fortune telling, which represents the consistent attribute of heavenly stems and earthly branches. At present, fortune-telling is generally based on the five elements, and it is rarely useful to stop. You can learn about it.