Saul Fails the Lord Saul was[thirty] years old when he began to reign; he ruled over Israel for[forty] years.
Referenced Verses
Exod 12:5 : 5 Your lamb must be perfect, a male, one year old; you may take it from the sheep or from the goats.
Mic 6:6 : 6 With what should I enter the LORD’s presence? With what should I bow before the sovereign God? Should I enter his presence with burnt offerings, with year-old calves?