If you mean when is your birthday then the answer is: Quelle la date de ton anniversaire?
"Comment s'est passé ton vingt et unième anniversaire ?"
"How?" in English is Comment? in French.
Comment? in French is "How?" in English.
comment means 'how' in French.
c'est comment means 'how is it' in French.
comment(CUHM-oh)
No comment is "sans commentaire" or "pas de commentaire" in French.
The French phrase "How are you?" is spelled "Comment ça va ?" or "Comment vas-tu ?"
comment t'appelles-tu? / comment tu t'appelles? = what's your name?
a comment is un commentaire
"Comment ça va?" is how you ask "How are you doing?" in French.
The translation of "comment" from French to English is "how."