The Island of the Day Before (L'isola del giorno prima) is a 1994 novel by Umberto Eco. It is the story of a 17th century Italian nobleman who is the only survivor of a shipwreck during a fierce storm. He finds himself washed up on an abandoned ship in a harbour through which, he convinces himself, runs the International Date Line. Although he can see land his inability to swim leaves him marooned and he begins to reminisce about his life and his love. Through this reminiscence he becomes convinced that all his troubles will end, if only he could reach the land.