Thursday 01 Jan New Year's Day
Monday 12 Jan Coming of Age DayWednesday 11 Feb National Foundation Day
Saturday 21 Mar Spring Equinox
Wednesday 29 Apr Showa Day
Sunday 03 May Constitution Memorial Day Monday 04 May Greenery Day Tuesday 05 May Children's DayWednesday 06 May Constitution Memorial Day observed
Monday 20 Jul Sea Day Monday 21 Sep Respect for the Aged Day Tuesday 22 Sep Bridge Public holidayWednesday 23 Sep Autumn Equinox
Monday 12 Oct Sports Day Tuesday 03 Nov Culture Day Monday 23 Nov Labor Thanksgiving DayWednesday 23 Dec Emperor's Birthday
Source: https://www.timeanddate.com/holidays/japan/2015#!hol=9