about twelve o'clock
The room was certainly hot , and the handkerchief was wet . `` Tell me about it , '' he said quietly . `` I expected something of the sort ! '' `` On that morning , '' Wrayson began , `` I returned home about twelve o'clock , let myself in with my own latch-key , and found a woman standing before my open desk going through my papers . '' `` A friend ? '' the Colonel asked . `` A complete stranger ! ''