four o'clock
`` Really -- I am '' -- he said , `` I must disappoint you . My time will be wholly taken up by matters of business , and I ca n't go with you . '' `` You do n't need to . I can take care of myself , and we can meet at the depot at four o'clock . '' `` Besides , I ca n't supply you with any money for shopping . '' `` I have enough . I might have liked a little more , but I can make it do . ''