twenty minutes after twelve
`` I know . You said that before . What the devil are they doing out this time of night ? '' In drawing his weapon to him , Buck 's eyes had fallen on his wrist-watch , the radiolite hands of which indicated twenty minutes after twelve . He awaited Jessup 's reply with interest , and it struck him as unnaturally long in coming . `` I do n't rightly know , '' the youngster said at length . `` I s ` pose they must have gone out after -- the rustlers . ''