Is it accurate to read eight characters when people are born?

Quasi.

No two leaves on the same tree are the same. Even twins have different fates. Fate only represents innate information. But when people are born into this world, they will be changed by the trajectory of the universe, and people will only be affected by the earth's magnetic field to varying degrees.

Eight characters are four pillars and eight characters evolved from ten days' work and sixty years' work, which is the year, month and time when you were born. It will produce different energy with the seasonal changes of the five elements, which will only affect people's career, wealth, marriage and making a living at any time. There is a practical basis in this respect, which can be checked.