年countryregionlanguage1月 New Year's Day Coming of Age Day2月 Foundation Day Emperor's Birthday3月 Vernal Equinox Day4月 Shōwa Day5月 Constitution Memorial Day Greenery Day Children's Day Children's Day (obs.)6月7月 Marine Day8月 Mountain Day Mountain Day (obs.)9月 Respect-for-Aged Day Autumnal Equinox Day10月 Health and Sports Day11月 Culture Day Culture Day (obs.) Labor Thanksgiving Day12月