French phrase
Combien de temps ai-je ~ ?
Meaning
How much time do I have to ___?
When to use it
Asks about the time available for an action. It is polite and common when checking a deadline.
Example dialogue
Combien de temps ai-je pour rendre ce devoir ?
How much time do I have to turn in this assignment?
Vous avez jusqu'à vendredi.
You have until Friday.