4 o'clock
An allwise Providence , however , heard their prayers and appeals for help , and the windows of heaven were thrown open and the flood poured forth and subdued the flames , saving many a poor fellow from dreadful torture and death . The storm continued nearly all night swelling the little streams that ran through the battlefield , causing the roads to become almost impassable . The stragglers were collected and returned to their commands . `` At 4 o'clock the crack of musketry was heard , and soon after the artillery from our lines opened and we were upon the rebels . They were taken by surprise and thrown into confusion . The hurrying of officers from one part of the field to another was distinctly heard by our men and greatly encouraged our forces . On they moved , driving the enemy pell-mell from our former camp .