a quarter to twelve
`` No familiar faces . But there may be , later . '' O'Reilly shook his head . `` It 's a quarter to twelve . The man or men who made an appointment -- not with me ; with the girl who 's gone -- should have turned up at eleven-thirty . '' `` If they 're sure of themselves -- sure their faces are n't known -- they 're probably here , '' remarked Denham . `` But out with your story .