Google OAuth. How to get date of birth?

Question

Google

I send a token to
https://www.googleapis.com/oauth2/v2/userinfo?acce...
I receive data:

Among which there is no birthday
How to get a birthday? (date of birth)
PS Still get gender

Answer 1

Look here:
stackoverflow.com/questions/19612357/retrieving-da...
stackoverflow.com/questions/15646474/retrieving-us...