three
o'clock
She made a most careful descent from her perch , without waking her companion . She opened the door cautiously , and put her head out . It was a trifle cooler in the passageway . Her watch reported three o'clock . There would be no one awake at that hour . She put on her slippers , and the tight little orange-and-black Chinese cloak . She left the door open , and went into the corridor .