Sunday 01 Jan New Year's Day
Sunday 22 Jan Seollal Holiday - Day 1
Monday 23 Jan Seollal Holiday - Day 2
Tuesday 24 Jan Seollal Holiday - Day 3
Thursday 01 Mar March 1st Movement
Saturday 05 May Children's Day
Monday 28 May Buddha's Birthday
Wednesday 06 Jun Memorial Day
Wednesday 15 Aug Liberation Day
Saturday 29 Sep MidAutumn Festival - Day 1
Sunday 30 Sep MidAutumn Festival - Day 2
Monday 01 Oct MidAutumn Festival - Day 3
Wednesday 03 Oct National Foundation Day
Tuesday 25 Dec Christmas Day
Source: http://www.altiusdirectory.com/Society/public-national-holiday-in-south-korea.html