She went to bed shortly after ten, leaving the front entrance in charge of the porter, who had duties to perform in various parts of the house.

And it was possible to descend the stairs and leave the hotel without being seen from the lounge or smoking-room.
There was a wagonette to St.Fair from the railway station at half-past-seven.

The hotel dinner was at a quarter to seven for the convenience of some permanent guests, and Sisily, who left the table before the meal was concluded--about a quarter-past seven, according to Mrs.Pendleton--had time to catch the wagonette.

On the assumption that even a Cornish wagonette would cover the journey of five miles across the moors in less than an hour, Sisily had probably reached her father's house at half-past eight or a little earlier.

The stopped clock in the study indicated that he met his death at half-past nine.