one o'clock
`` It can be done ! No one will be watching at that point . '' The sky was overcast , the night as black as ebony . The four men left the officers ' quarters at one o'clock , making their way to the historic old gate in the glen below the Castle . Arriving at the wall , Truxton briefly whispered his plans . `` You remember , Colonel Quinnox , that the stream is four or five feet deep here at the gate . The current has washed a deeper channel under the iron-bound timbers .