He waited seven days, the time appointed by Samuel. But Samuel did not come to Gilgal, and the people were scattering from him.
Here is, I. Saul's offence in offering sacrifice before Samuel came. Samuel, when he anointed him, had ordered him to tarry for him seven days in Gilgal, promising that, at the end of those days, he would be sure to come to him, and both offer sacrifices for him and direct him what he should do. This we had Sa1 10:8.
Commenting on 1 Samuel 13:8-14
And he tarried seven days, according to the set time that Samuel had appointed,.... He tarried to the seventh day, but not to the end of it, or towards the close of it, as he should have done: but Samuel came not to Gilgal; so soon as Saul expected: and the people were scattered from him; many deserted him, the Philistines drawing nigh, and Samuel...
he--that is, Saul. tarried seven days--He was still in the eastern borders of his kingdom, in the valley of Jordan. Some bolder spirits had ventured to join the camp at Gilgal; but even the courage of those stout-hearted men gave way in prospect of this terrible visitation; and as many of them were stealing away, he thought some immediate and decided step must be taken.