IANA time zone · Korean Standard Time
Asia/Seoul
- UTC offset
- UTC+9
- Now
- Korean Standard Time (KST)
- Country
- South Korea
Clock changes in 2026 and 2027
Clocks in this zone don’t change – it stays on UTC+9 all year.
Cities in the Asia/Seoul zone
- Seoul South Korea
- Busan South Korea
- Incheon South Korea
- Daegu South Korea
- Daejeon South Korea
- Gwangju South Korea
- Suwon South Korea
- Ulsan South Korea
- Goyang-si South Korea
- Changwon South Korea
- Seongnam-si South Korea
- Cheongju-si South Korea
- Cheonan South Korea
- Hwaseong-si South Korea
- Jeonju South Korea
- Ansan-si South Korea
- Anyang-si South Korea
- Gimhae South Korea
- Pohang South Korea
- Jeju City South Korea
- Uijeongbu-si South Korea
- Paju South Korea
- Gumi South Korea
- Sejong South Korea
- Chuncheon South Korea
- Andong South Korea
The identifier Asia/Seoul comes from the IANA time zone database (tz database) used by operating systems, browsers and programming languages. A zone in this database is an area where clocks have agreed since 1970 – which is why one country can have several zones with the same offset.