four o'clock
He handed one like it to Greg , then saluted and left the room , knocking at the next door . `` Company drill from one to two-thirty , '' summarized Prescott , glancing through the typewritten words on the unfolded sheet . `` Practice march by battalions from two-forty-five to three-forty-five . Squad drill from four o'clock until retreat . That looks brisk , Greg . '' `` Does n't it ? '' asked Holmes , without too plain signs of enthusiasm .