I was born at 7: 20 in the morning. Why did you call me Shi Mao instead of Chen Shi when you counted eight words?

If that person's calculation is wrong, it should be Chen Shi.

There is another situation, that is, if you are Shi Mao, it is estimated that the apparent solar time (time difference) has been taken into account.

Subtract more than 20 minutes from 7: 20, and you will be born between 5-7: 00. This is Shi Mao.