Day Date Month Holiday Monday 3 Jan Market Holiday Monday 10 Jan Coming of Age Day Friday 11 Feb National Foundation Day Wednesday 23 Feb Emperor's Birthday Monday 21 Mar Vernal Equinox Day Friday 29 Apr Showa Day Tuesday 3 May Constitution Memorial Day Wednesday 4 May Greenery Day Thursday 5 May Children's Day Monday 18 Jul Marine Day Thursday 11 Aug Mountain Day Monday 19 Sep Respect for the Aged Day Friday 23 Sep Autumnal Equinox Day Monday 10 Oct Sports Day Thursday 3 Nov Culture Day Wednesday 23 Nov Labor Thanksgiving Day Source: Japan Exchange Group