How to convert birthdays into sixty-four hexagrams?

According to the year of Shao Weihua, the hexagrams are started, the year is dry+lunar month+lunar day /8 = the remainder is the hexagrams; Year+lunar month+lunar day+hour /8 = the remainder is used for divination. Year+lunar month+lunar day+hours /6 = remainder. This method has its accuracy. But like all methods, there are limitations. Generally speaking, it is accurate to rely on lifelong, face the world, use God and powerful methods.