20 12 was born at 5 pm on the third day of the ninth lunar month. The boy's surname is. What about birthdays?

Five elements: earth and water, golden earth, golden water and fire gold.

Xin Jin was born with a full moon, and his character was short of wood.

In Jin Xin in September, fire, water and soil are diseases, fire, water and soil are medicines, and the eight characters are short of wood, so it is appropriate to take wood as the name.

Reference:

Bin, Bai, Sen, Chu, Xiao, Yi, Yun, Hong, etc.