How do you get people to actually commit to a date?

I heard this “trick” some time ago and I kind of like it.

When discussing work with the team, don’t leave the deadline hanging somewhere in the air. Ask directly:

“So when can we expect this?”

Simple question.

And when the person says out loud, in front of the team, “I’ll have it ready by Tuesday”, it usually changes something. It’s no longer some vague task in Jira. It becomes their commitment.

Of course, this can be done in a good way or in a very stupid way.

Good way: you ask because the team needs clarity.

Bad way: you ask because you want to corner someone and force them into a date they don’t believe in.

And that’s where I struggle a bit.

I’ve seen team leads who are absolute masters of avoiding this question. You ask when something can be done and suddenly you get a small TED talk full of fog:

“we need more visibility first”

“there are external dependencies”

“this is not fully under our control”

“we’ll come back to you once we align internally”

Sometimes this is completely valid. There really are dependencies. Things really are uncertain.

But sometimes it feels like the whole point is to not say a date. Because if there is no date, there is nothing to challenge later. No commitment, no missed commitment.

At the same time, I also get the other side.

As a technical person, I hated when PMs asked me for a date and then immediately started negotiating it down.

You say: “I need two weeks.”

They say: “Can we do it in one?”

Without asking why it takes two weeks, without understanding the risk and without caring what needs to be cut.

That’s not planning. That’s just pressure.

So I think the better question is not only:

“When will it be done?”

But also:

“What would need to happen for this date to be realistic?”

or

“What could block you from delivering it?”

or even

“Tell me what date you would actually be comfortable owning.”

I still think public commitment works. People take things more seriously when they say them out loud.

But it only works if the date is real.

Not forced.
Not guessed.
Not negotiated like a discount at a market.

How do you handle this? What do you do to follow the timeline?