Military Discharge Date Calculator
Calculate your Korean military discharge date based on enlistment date and branch of service.
Discharge Date
D-Day
Service Period
Service Periods by Branch
| Branch | Period |
|---|---|
| Army (육군) | 18 months |
| Marines (해병대) | 18 months |
| Navy (해군) | 20 months |
| Air Force (공군) | 21 months |
| Social Service (사회복무요원) | 21 months |
Frequently Asked Questions
How long is mandatory military service in South Korea?
Service length varies by branch: Army and Marines serve 18 months, Navy serves 20 months, Air Force serves 21 months, and Social Service (alternative service) is 21 months. These durations were reduced from longer periods in 2018 and 2020.
Who is required to serve in the Korean military?
All Korean male citizens aged 18–28 must complete mandatory military service. Exemptions are rare and may be granted for significant physical disabilities, certain elite athletes (e.g., Olympic/Asian Games medalists), or through alternative service programs.
Can the discharge date change after enlistment?
The discharge date is set at enlistment based on the service branch and start date. It typically does not change unless there are special circumstances such as disciplinary actions (which can extend service) or policy changes affecting service length.