15:57
`` I just realized that . But that does n't help , because I 've no idea what it is . '' He glanced at his strap watch , and the time made him stand up before the little psychiatrist could speak again . The hour was 15:57 , and he saw in dismay that his 16:00 appointment with Sean O'Donnell and the Irradiated Foods tycoon would be late . `` I do n't expect an immediate opinion , '' he said . `` You could n't reach one as long as I 'm here . Add up what I 've told you , and if it makes any sort of sense you can radophone me tonight at 19:00 .