Is the eight characters in Zhang Jinyu, Hubei accurate?

Because in the process of calculating the horoscope, Jin will rent stone pillars every month to calculate, and before fortune telling, he will predict our birth date through heavenly stems and earthly branches in the Book of Changes, and the calculated content is more in line with the life track.

Counting eight characters is to know what the fortune teller may happen in the future through the algorithm of the Book of Changes, and it is also a way for many people to choose to know what will happen in the future.