six o'clock
`` Sorry , skipper , '' Hank muttered . `` Ring us right away if it shows up . '' `` Sure , Hank . '' As six o'clock went by , Chow tried to pep up his companions ' drooping spirits with a simple but tasty supper , warmed up on an electric hot plate in the cabin . `` What do you think , skipper ? Are we out of luck ? '' Bud asked as they ate .