Day Date Month Holiday Monday 23 Jan Seollal (New Year's Day by the lunar) Tuesday 24 Jan Substitution for Seollal (New Year's Day by the lunar) Wednesday 1 Mar Independence Movement Day Monday 1 May Labor Day Friday 5 May Children's Day Monday 29 May Substitution for Vesak Day Tuesday 6 Jun Memorial Day Tuesday 15 Aug Liberation Day Thursday 28 Sep Chuseok (Korean Thanksgiving) Friday 29 Sep Chuseok (Korean Thanksgiving) Tuesday 3 Oct National Foundation Day Monday 9 Oct Hangeul Proclamation Day Monday 25 Dec Christmas Day Friday 29 Dec End of Year Holiday Source: Korea Exchange