Day Date Month Holiday
Friday 27 Jan Seollal Holiday Day 1
Monday 30 Jan Seollal Holiday Day 3
Wednesday 01 Mar Independence Movement Day
Wednesday 03 May Buddha's Birthday
Friday 05 May Children's Day
Tuesday 09 May Presidential Election
Tuesday 06 Jun Memorial Day
Tuesday 15 Aug Liberation Day
Tuesday 03 Oct Mid-Autumn Festival Day 1
Tuesday 03 Oct National Foundation Day
Wednesday 04 Oct Mid-Autumn Festival Day 2
Thursday 05 Oct Mid-Autumn Festival Day 3
Friday 06 Oct Mid-Autumn Festival Day 4
Monday 09 Oct Hangeul Proclamation Day
Monday 25 Dec Christmas Day
Source: https://www.timeanddate.com/holidays/south-korea/2017#!hol=9