twelve o'clock
`` Are the horses at the door ? '' `` Yes , marshal . '' `` Then we will mount at once . I told the colonel of the 3rd that I should be at the barracks by twelve o'clock , unless the king wanted me on his business . '' Fergus had already put on his helmet , and he and Lindsay followed Keith downstairs . In the courtyard were the horses , which were held by orderlies . `` That is yours , Fergus , '' Keith said .