yearcountryregionlanguagejanuary New Year's Day New Year's Day (obs.) January 2 (obs.) Coming of Age Dayfebruary Foundation Daymarch Vernal Equinox Dayapril Shōwa Daymay Constitution Memorial Day Greenery Day Children's Dayjunejuly Marine Dayaugust Mountain Dayseptember Respect-for-Aged Day Autumnal Equinox Dayoctober Health and Sports Daynovember Culture Day Labor Thanksgiving Daydecember Emperor's Birthday New Year's Eve