one o'clock
Then , little by little , Polk Street dropped back to solitude . Eleven o'clock struck from the power-house clock . Lights were extinguished . At one o'clock the cable stopped , leaving an abrupt silence in the air . All at once it seemed very still . The ugly noises were the occasional footfalls of a policeman and the persistent calling of ducks and geese in the closed market . The street was asleep .