年countryregionlanguage1月 New Year's Day New Year's Day (obs.) Coming of Age Day2月 Foundation Day3月 Vernal Equinox Day4月 Shōwa Day Shōwa Day (obs.)5月 Constitution Memorial Day Greenery Day Children's Day6月7月 Marine Day8月9月 Respect-for-Aged Day Autumnal Equinox Day Autumnal Equinox Day (obs.)10月 Health and Sports Day11月 Culture Day Labor Thanksgiving Day12月 Emperor's Birthday Emperor's Birthday (obs.)