1 Jan New Year's Day 2 Jan New Year's Day Holiday 1 Mar Independence Movement Day 5 Apr Arbor Day 5 May Buddha's Birthday 6 Jun Memorial Day 17 Jul Constitution Day 15 Aug Liberation Day 3 Oct Foundation day (National) 5 Oct to October-7 Ch’usok (Harvest Moon Festival) 9 Oct Han'Gul / Korean Alphabet Day 25 Dec Christmas Day Source: Embassy Replublic of South Korea, Bangkok