ten o'clock
He had become conscious of a bright and unusual light in the street , and had hidden his head , fairly convinced that Santa was passing . Nobody told Bobby that the light was the lantern on a wagon making late deliveries . To-night he hung his stocking at the foot of his bed , resolved to see who filled it . The Tree was not to be unveiled until ten o'clock ; and it was ridiculous to expect a small boy to wait until then without _ anything _ . Hence the stocking . Bobby must have stayed awake an hour . The room gradually became cold .