He was conscious afterwards that in some sort of confused way he was trying to measure the time.

But he was always quite certain that it was not more than three minutes.

Then the Northern cavalry passed over them.
Harry's horse was fairly knocked down by the impetus of the Northern charge, and the young rider was partly protected by his body from the hoofs that thundered over them.

Horse and rider rose together.

Harry found that the reins were still clenched in his hand.