ten o'clock
`` I do n't care ; -- however , I may as well take the first watch . We will start at five , so rouse me at four . If they come at all , which is possible , but not probable , it will be between four and five . '' At ten o'clock Harry could see a glow of light at some distance from the mouth of the ravine , and in the stillness could occasionally catch the sound of voices . When he woke Bertie at twelve the lad looked at his watch and said , `` You are an hour late in calling me , Harry . '' `` Yes , I had no inclination for sleep . The fellows have been reinforced .