Day Date Month Holiday Friday 01 Jan New Year's Day Monday 11 Jan Coming of Age Day Thursday 11 Feb National Foundation Day Sunday 20 Mar Spring Equinox Monday 21 Mar Spring Equinox observed Friday 29 Apr Sh?wa Day Tuesday 03 May Constitution Memorial Day Wednesday 04 May Greenery Day Thursday 05 May Children's Day Monday 18 Jul Sea Day Thursday 11 Aug Mountain Day Monday 19 Sep Respect for the Aged Day Thursday 22 Sep Autumn Equinox Monday 10 Oct Sports Day Thursday 03 Nov Culture Day Wednesday 23 Nov Labor Thanksgiving Day Friday 23 Dec Emperor's Birthday Source: http://www.timeanddate.com/holidays/japan/2016