'Minute' in the Bible

Then Samuel said to Saul, "Wait a minute! Let me tell you what the Lord said to me last night." Saul said to him, "Tell me."

That's not the way things are. There is a man from the hill country of Ephraim named Sheba son of Bicri. He has rebelled against King David. Give me just this one man, and I will leave the city." The woman said to Joab, "This very minute his head will be thrown over the wall to you!"