three o'clock
`` I depend on you , '' he said . She laid her hand on his shoulder with a friendly pressure . `` You 'll have to wait in here a while longer -- and you 'll have to keep mighty quiet . I 've got a circle at three o'clock -- a séance . They come once a week , and I ca n't well put them off . You see , I work alone . It 's a small circle , and I never liked the idea of helpers ; they 're likely to give you away sooner or later .