deadline

Hi. Here I have a deadline-related question. If I have to reply to someone within a certain period, for example, by Wednesday, is it possible to say, 1) “I have until Wednesday to let him know?” How about a few other versions?

  1. I have some time until Wednesday to let him know.
  2. I have to let him know by Wednesday.
  3. I don’t have to let him know until Wednesday.
  4. Wednesday is the deadline for me to reply to him.

I hope these sentences mean the same thing.

Only 2 is not correct. It’s ungrammatical to use ‘sometime until Wednesday’ in that context.

Thank you for your reply. Will you tell me why 1) is OK? Can I have things like until Wednesday? Also, I’d like to know how you’d feel if I said “I have a few more days before I have to let him know.”

  1. Yes, in this context ‘until Wednesday’ is okay. It means that you have to let him know sometimes between the present and (the end of) that day.

‘I have a few more days before I have to let him know.’ is fine too.