KST: Korea Standard Time
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KST: Korea Standard Time
KST stands for Korea Standard Time, used in South Korea. It runs UTC+9, with no clock changes recorded for 2026under current rules.
Current KST time
Local times come from your browser's IANA time zone data.
KST time compared with UTC
KST runs UTC+9 throughout 2026 under current rules. When it is 12:00 UTC the clock in KST reads 21:00.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | KST |
|---|---|
| 00:00 | 09:00 |
| 03:00 | 12:00 |
| 06:00 | 15:00 |
| 09:00 | 18:00 |
| 12:00 | 21:00 |
| 15:00 | 00:00 next day |
| 18:00 | 03:00 next day |
| 21:00 | 06:00 next day |
When the clocks change in the KST zone
No clock changes are recorded for the KST zone in 2026 or 2027 under the time zone rules used for this build. The listed zones keep their UTC offsets during these years. Governments can revise these rules; future dates are projections.
Cities that keep KST
These places run on KST: Korea Standard Time, the IANA zone behind KST. Each links to its own live clock.
Seoul, Busan, Incheon, Daegu, Daejeon, Gwangju, Suwon, Ulsan, Goyang-si, Changwon, Seongnam-si, Cheongju-si.
Convert KST to another zone
KST to PSTKST to MSTKST to CSTKST to ESTKST to HSTKST to GMTKST to UTCKST to BST
Common questions about KST
What does KST stand for?
KST is Korea Standard Time, the civil time used in South Korea. On this site it resolves to the IANA time zone KST: Korea Standard Time, which is what your operating system and browser use to work out the actual offset on any given date.
What is KST in UTC?
KST is UTC+9 throughout 2026 under current rules. The table above shows UTC conversions.