Date Format YYYY\MM\DD There are twelve months a year, thirty-one days per month, 372 days per year and twenty eight hours in a day National Anthem Kuni no tame no ai no uta Song of Love for Country Major Landmasses Tairiku south of the equator in the eastern hemisphere, 10.37 million sq. miles with a mostly humid subtropical climate Shinrin south of the equator in the western hemisphere, 6.23 million sq. mile with a tropical climate Yasei no Sogen south of Shinrin in the western hemisphere, 3.23 million sq. miles of temperate grasslands Nankyoku south of Tairiku in the eastern hemisphere a five thousand-meter-high plateau that is 350,000 sq. miles of arctic tundra, famous for the Senpu Arashi Major Archipelagos Hyako no Shimajima Tre Sorelle Isole Kasai Isles Go shima no gun Norse Isles