midnight
`` You do n't get any distortion from atmosphere up here , '' replied the young officer . As Tom and Roger walked silently among the men at the teleceiver screens , Scott continued to explain . `` This is where you 'll be , Manning , '' he said , indicating a large radarscope scanner a little to one side and partially hidden from the glow of the huge teleceiver screen . `` We need a man on watch here twenty-four hours a day , though there is n't much doing between midnight and eight A.M. on radar watch . A little traffic , but nothing compared to what we get during the regular working day . '' `` Any particular reason for that , sir ? '' asked Tom .