a quarter to twelve
Indeed , he jumped at it . His life , his attitude suggested , had been a hollow mockery until he heard the plan , but now he could begin to enjoy himself once more . The lights-out bugle sounded at ten o'clock ; the last post at ten-thirty . At a quarter to twelve the three adventurers , who had been keeping themselves awake by the exercise of great pains , satisfied themselves that the other occupants of the tent were asleep , and stole out . It was an excellent night for their purpose . There was no moon , and the stars were hidden by clouds . They crept silently towards the guard-tent .