French phrase
Dans quel délai pouvez-vous ~ ?
Meaning
By when can you ___?
When to use it
Asks for the deadline for an action. A polite choice for work requests and favors, with a considerate tone.
Example dialogue
Dans quel délai pouvez-vous me l'envoyer ?
By when can you send it to me?
Je peux vous l'envoyer d'ici vendredi.
I can send it to you by Friday.