1 Kings 15:1

1 Therefore in the eighteenth year of the realm of Jeroboam, the son of Nebat, Abijam reigned upon Judah. (And so in the eighteenth year of the reign of Jeroboam, the son of Nebat, Abijam began to reign upon Judah.)

1 Kings 15:1 Meaning and Commentary

1 Kings 15:1

Now in the eighteenth year of King Jeroboam the son of Nebat
reigned Abijam over Judah.
] That is, began to reign; and by this it appears that Rehoboam was in the eighteenth year of his reign when he died, for he and Jeroboam began their reign at the same time.

1 Kings 15:1 In-Context

1 Therefore in the eighteenth year of the realm of Jeroboam, the son of Nebat, Abijam reigned upon Judah. (And so in the eighteenth year of the reign of Jeroboam, the son of Nebat, Abijam began to reign upon Judah.)

2 Three years he reigned in Jerusalem (He reigned for three years in Jerusalem); the name of his mother was Maachah, the daughter of Abishalom.

3 And he went in all the sins of his father, which he did before him; and his heart was not perfect with his Lord God, as the heart of David, his father, was perfect.

4 But for David, his Lord God gave to him a lantern in Jerusalem, that he should raise (up) his son after him, and that he should stand in Jerusalem; (But for David's sake, the Lord his God gave him a light, or a flame, in Jerusalem, so that he would raise up his son after him, and keep Jerusalem secure;)

5 for David had done rightfulness in the eyes of the Lord, and had not bowed [away] from all things that the Lord had commanded to him, in all the days of his life, except the word of Uriah (the) Hittite . (for David had done what was right in the eyes of the Lord, and had not turned away from all the things that the Lord had commanded to him, in all the days of his life, except in the matter of Uriah the Hittite.)