midnight
Down with helm ! The sea is full of loose ice . '' For the rest of the day the _ Dart _ was dodging through hummocks of ice , which looked as if a floe had been broken up by a storm . When Bob came on deck for his watch at midnight , it was intensely dark . A thin scud shut out the light of the stars and moon . He was joined by Jack , for the two lads usually kept watch together . `` I am afraid we are in a tight fix , '' said the latter .