Date: October 3 (solar calendar)

Definition: "Gaecheonjeol," or National Foundation Day, is a national holiday held on October 3 to commemorate the foundation of Gojoseon (古朝鮮), the first Korean kingdom, by Dangun (檀君).

시기 : 양력 10월 04일

소개 : 음력 팔월 보름을 일컫는 말. 가을의 한가운데 달이며 또한 팔월의 한가운데 날이라는 뜻을 지니고 있는 연중 으뜸 명절이다.

Date: October 8 (solar calendar)

Definition: "Hallo" (寒露), which means "the time when cold dew begins to form," is the seveneenth of the twenty-four seasonal sub-divisions, or solar terms, of the lunar calendar.

Date: October 9 (solar calendar)

Definition: Hangeul Day is a national holiday held on October 9 to commemorate the invention and proclamation of "Hunminjeongeum" (訓民正音), or Hangeul, the Korean alphabet, and to celebrate its excellence.

Date: October 23 (solar calendar)

Definition: "Sanggang" (霜降), which means "the fall of frost," falls in the ninth month of the lunar calendar, and is one of the twenty-four seasonal sub-divisions, or solar terms, of the lunar calendar.

Date: October 17 (solar calendar), or September 9 (lunar calendar)

Definition: "Junggu" (重九), which literally means "double nine," falls on the ninth day of the ninth month of the lunar calendar and is also called "Jungyangjeol."

시기 : 양력 10월 31일

소개 : 상달고사는 음력 시월상달에 드리는 고사를 가리킨다.