1 Samuel 13:8-11

Now he waited seven days, according to the appointed time set by Samuel, but Samuel did not come to Gilgal; and the people were scattering from him. So Saul said, “Bring to me the burnt offering and the peace offerings.” And he offered the burnt offering. As soon as he finished offering the burnt offering, behold, Samuel came; and Saul went out to meet him and to greet him. But Samuel said, “What have you done?” And Saul said, “Because I saw that the people were scattering from me, and that you did not come within the appointed days, and that the Philistines were assembling at Michmash