What are the Taoist fortune-telling methods?

Is the fortune-telling at the entrance of Taiqing Palace accurate?

Fortune telling at the entrance of Taiqing Palace.

Taiqing Palace is a Taoist Quanzhen school, a large-scale public landscape in Northeast China, and a typical Taoist building in Qing Dynasty. In the hearts of local Taoist believers, the fortune-telling of Taiqing Palace is the most effective. So this is the most prosperous Taoist temple in Shenyang. On the first day of every month, the fifteenth incense is more prosperous.