2 Samuel 5:4 David was thirty years old when he became king, and he reigned forty years.

2 Samuel 5:5 At Hebron he reigned over Judah seven years and six months, and in Jerusalem he reigned thirty-three years over all Israel and Judah.

1 Chronicles 3:4 Six were born to him in Hebron, and there he reigned seven years and six months. And in Jerusalem he reigned thirty-three years.

1 Chronicles 29:26 Now David the son of Jesse reigned over all Israel.

1 Chronicles 29:27 The period which he reigned over Israel was forty years; he reigned in Hebron seven years and in Jerusalem thirty-three years. (NASB ©1995)