2 Samuel 24:15 (BSB)

So the LORD sent a plague upon Israel from that morning until the appointed time, and seventy thousand of the people from Dan to Beersheba died.

From 2 Samuel 24. Also in the ESV.

Commentary on 2 Samuel 24:15

• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 24:15: So the Lord sent a pestilence upon Israel,.... Upon the land of Israel, the people of the land, directly employing an angel to go through the coasts of it, and empowering him to inflict a pestilential disease: from the morning even to the time appointed: from the morning the prophet Gad came to David with a message from the Lord; that very morning the plague...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on 2 Samuel 24:15: HIS INTERCESSION TO GOD; THE PLAGUE CEASES. (Sa2 24:15-25) from the morning--rather that morning when Gad came [Sa2 24:18], till the end of the three days. there died of the people . . . seventy thousand men--Thus was the pride of the vainglorious monarch, confiding in the number of his population, deeply humbled.
• Geneva Bible Notes (Reformed), Geneva Bible Study Notes on 2 Samuel 24:15: So the LORD sent a pestilence upon Israel from the morning even to the time appointed: and there died of the people from Dan even to Beersheba seventy thousand men. (h) From the one side of the country to the other.
• Adam Clarke (Methodist), Clarke's Commentary on the Bible on 2 Samuel 24:15: From the morning - to the time appointed - That is, from the morning of the day after David had made his election till the third day, according to the condition which God had proposed, and he had accepted: but it seems that the plague was terminated before the conclusion of the third day, for Jerusalem might have been destroyed, but it was not.