How do you show your birthday on facebook mobile? Its my birthday and i want to make sure my friends know:)?

-hello friend. many many happy returns of the day. for making your friends known about your birthday you first go to privacy settings and click on show my birthday.then your birthday will be shown and your friends can wish you.It is set at the begining only.or you can set it at PROFILE>BIRTHDAY(then just click highlighted letter and set it)It is set at the begining only.or you can set it at PROFILE>BIRTHDAY(then just click highlighted letter and set it)
Edit profile. And Choose "Show my full birthday in my profile"

Oh by the way,Happy Birthday!