KST to UTC Time Converter
Convert Korea Standard Time to Coordinated Universal Time instantly.
Scroll the timeline to check any hour of the day.
Korea Standard Time
KST
5:25
Coordinated Universal Time
UTC
8:25
Search any city, build a custom world clock, and plan across more time zones and options in the FlutterTime app. Free.
How the KST to UTC time difference works
UTC is 9 hours behind KST. Korea Standard Time (KST) is the time zone of South Korea. Coordinated Universal Time (UTC) is the global time standard the world sets its clocks by. For example, 9:00 AM KST is 12:00 AM UTC. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
9 hours
Daylight saving
Neither
KST offset
UTC+9
UTC offset
UTC+0
KST to UTC conversion chart
| Korea Standard Time (KST) | Coordinated Universal Time (UTC) |
|---|---|
| 12:00 AM | 3:00 PM -1 day |
| 1:00 AM | 4:00 PM -1 day |
| 2:00 AM | 5:00 PM -1 day |
| 3:00 AM | 6:00 PM -1 day |
| 4:00 AM | 7:00 PM -1 day |
| 5:00 AM | 8:00 PM -1 day |
| 6:00 AM | 9:00 PM -1 day |
| 7:00 AM | 10:00 PM -1 day |
| 8:00 AM | 11:00 PM -1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Cities in each time zone
Korea Standard Time (KST)
SeoulBusanIncheonDaeguDaejeon
Coordinated Universal Time (UTC)
ReykjavikAccraDakarAbidjanBamako
KST to UTC questions
Is UTC ahead of or behind KST?
UTC is 9 hours behind KST. So 9:00 AM KST is 12:00 AM UTC, and 5:00 PM KST is 8:00 AM UTC.
What time is it in UTC when it is 12:00 PM KST?
When it is 12:00 PM (noon) KST in Korea Standard Time, it is 3:00 AM UTC in Coordinated Universal Time.
How many hours difference is there between KST and UTC?
There is a 9 hours difference. Coordinated Universal Time (UTC) runs 9 hours behind Korea Standard Time (KST).
Do KST and UTC observe daylight saving time?
Neither Korea Standard Time nor Coordinated Universal Time observes daylight saving time, so the 9 hours difference between them is the same all year.
What is the best time to schedule a meeting between KST and UTC?
A standard 9-to-5 workday in Korea Standard Time and Coordinated Universal Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use KST and UTC?
Korea Standard Time (KST) covers cities such as Seoul, Busan, Incheon, Daegu, Daejeon. Coordinated Universal Time (UTC) covers cities such as Reykjavik, Accra, Dakar, Abidjan, Bamako.