French phrase
Ma date de naissance est ~.
Meaning
My date of birth is ___.
When to use it
States the date on which someone was born. It can be used among friends, though more casual alternatives are also common.
Example dialogue
Quelle est ta date de naissance ?
What is your date of birth?
Ma date de naissance est le 5 mai 1988.
My date of birth is May 5, 1988.