He waited for seven days, the time period indicated by Samuel. ¹  But Samuel did not come to Gilgal, and the army began to abandon Saul. ² 

The next day Saul placed the people in three groups. They went to the Ammonite camp during the morning watch and struck them ¹  down until the hottest part of the day. The survivors scattered; no two of them remained together.

Then Saul said, “Scatter out among the army and say to them, ‘Each of you bring to me your ox and sheep and slaughter them in this spot and eat. But don’t sin against the Lord by eating the blood.” So that night each one brought his ox and slaughtered it there. ¹