The gate depends on the congenital number of the river map that matches the Bagua Palace the day after tomorrow (for example, Zishan is at noon, facing away from Palace 9, and the gate can control Kun 2, so the congenital number 4 and 9 match to open the main entrance of the palace).
The yin and yang attributes of the dragon source in the Twenty-four Mountains: (When flying the astrolabe, the yin flies against the sky; Yang Shunfei)-|-Yang-|-Yin Di | Jia Geng Ren Bing | Chen Xu Ugly | Gan Kungen Xun | Woods You Mao Ren | Shen Yinhai Si | Gui Ding Yixin
I also decided to rely on the stars for divination:-Zigui Shen Jia is a greedy wolf. 1 Kun Ren Yi Mao is not black; It is a good thing to do it. 6 c root heart is ugly and seven red; Yin Wu Geng Ding Jiuzi Star. 9-Small space dies, crushing the intersection of twenty-four mountains.