Assuming you're talking about time, you could say "cinq heures trente" or "cinq heures et demi".
To say "half past" in French, you can use the phrase "et demie." For example, if it is 6:30, you would say "six heures et demie."
Huit heures trente.
Deux heures et demi
Il est quatre heures et demie - It is half past four. l'horloge est quatre heures et demie - The clock is half past four.
Cinq pied deux pouces et un demis.
To say "half past" in French, you can use the phrase "et demie." For example, if it is 6:30, you would say "six heures et demie."
Half past in French is demie. If you wanted to say half past one in French you would say: Il est une heures et demie. It is one hour and half. Half past one. I have put the French way at the top, the complete translation in the middle and then the English way at the end.
Huit heures trente.
...(number of hours) cinq. ex: five past two is: deux heures cinq - five past ten is: dix heures cinq.
Deux heures et demi
30 to 6 17:30 hours half past five
cinq minutes après une
"il est dix heures et demi"
Il est quatre heures et demie - It is half past four. l'horloge est quatre heures et demie - The clock is half past four.
On se verra à une heure trente
Nos encontraremos en una y treinta
Cinq pied deux pouces et un demis.