'Ago' in the Bible

Now as for your donkeys that were lost three days ago, don't give any thought to them, because they've been found. Meanwhile, to whom is all Israel looking, if not to you and all of your father's household?"

The Egyptian replied, "I'm a young Egyptian man, the slave of an Amalekite man. My master abandoned me, because I got sick three days ago. We raided the Negev of the Cherethites, the territory that belongs to Judah, and the Negev of Caleb, and we set Ziklag on fire."