Day Date Month Holiday Monday 1 Jan New Year's Day Tuesday 2 Jan Market Holiday Wednesday 3 Jan Market Holiday Monday 8 Jan Coming of Age Day Monday 12 Feb Substitution for National Foundation Day (Sunday 11 Feb 2024) Friday 23 Feb Emperor's Birthday Wednesday 20 Mar Vernal Equinox Monday 29 Apr Showa Day Friday 3 May Constitution Memorial Day Monday 6 May Substitution for Children's Day (Sunday 5 May 2024) Monday 15 Jul Marine Day Monday 12 Aug Substitution for Mountain Day (Sunday 11 Aug 2024) Monday 16 Sep Respect for the Aged Day Monday 23 Sep Substitution for Autumnal Equinox (Sunday 22 Sep 2024) Monday 14 Oct Sports Day Monday 4 Nov Substitution for Culture Day (Sunday 3 Nov 2024) Tuesday 31 Dec Market Holiday Source: Japan Exchange Group