Armed Forces Day, known in Korean as Gukgun-ui Nal, is observed annually on October 1 to honor the Republic of Korea Armed Forces. The date commemorates a key military advance by South Korean forces during the Korean War in 1950, when troops crossed the 38th parallel.

The day recognizes the dedication, sacrifice, and professionalism of military personnel serving in the Army, Navy, Air Force, and Marine Corps. Official ceremonies, military demonstrations, and commemorative events are often held. In some years, large-scale military parades or public exhibitions are organized to showcase defense capabilities.

Unlike major national holidays such as Liberation Day or Chuseok, Armed Forces Day is not currently designated as an official public holiday. Schools and workplaces typically operate as usual, though military-related institutions hold formal observances.

For international readers, Armed Forces Day in Korea is comparable to military appreciation or armed forces observance days in other countries. It reflects Korea’s continued emphasis on national security due to the unique geopolitical situation on the Korean Peninsula.

Holiday Information

Name: Armed Forces Day
Date: October 1, 2026
Type: National Observance Day
Public Holiday: No
Theme: Military Service & National Defense
Observed By: Republic of Korea