 Ludovico di Varthema also said that he had been told by the captain of the ship in which he had made the voyage from Borneo that on the southern side of Java Major, to the southward, "there are peoples who sail with their backs to our stars of the north until they find a day of but 4 hours, where the day does not last more than four hours", and that there it was colder than in any other part of the world.The region where the shortest day would only last four hours would be in latitude 63° South.This could explain Jean Alfonse's description of "La Grande Jave" as an extension of the giant Antarctic continent