Time now in South Korea

UTC+09:00 • Asia/Seoul (KST)

Your device clock is 53ms behind of the detected local time (Asia/Seoul, UTC+09:00). Time reference obtained from NIST NTP servers with an accuracy of ±0.007 seconds.

21:30:59
Friday, September 11, 2026, week 37

Time in South Korea now

South Korea has one official time zone: KST (UTC+09:00).

Part of the territory observes daylight saving time (DST), which moves the clock forward one hour during part of the year.

Official time in South Korea is defined by a single time zone.

What is the time zone in South Korea?

Official time in South Korea is defined by a single time zone (IANA zone). Below are the zone and its UTC offset.

Main time zones in South Korea

Time zone Offset (UTC) Main cities
Asia/Seoul UTC+09:00 Yongsan-gu, Seoul, Seoul, Busan

List of time zones used in South Korea (IANA zones)

Zone Offset (UTC) Daylight saving
Asia/Seoul UTC+09:00 Yes

Time difference between Columbus, Ohio, United States and South Korea

The time difference between Columbus, Ohio, United States and South Korea depends on the region.

  • Yongsan-gu, Seoul: 13 hour(s) behind the time in Columbus, Ohio, United States

Does South Korea use daylight saving time?

Yes. Part of South Korea observes daylight saving time (DST). Start and end dates vary by zone.

Recent time changes in South Korea

  • 1988-10-09 at 02:00 (local time) – return to standard time

The last time change in South Korea was on 1988-10-09 at 02:00 (local time) (zone Asia/Seoul): clocks went back (fall, back to standard) — transition from KDT to KST.

Frequently asked questions

What time is it in South Korea?
The country has several time zones. The current time depends on the region and varies between UTC+9:00 and UTC+9:00. The clock at the top of this page shows the time synchronized with official sources.
How many time zones does South Korea have?
South Korea has 1 main time zone(s). The IANA database lists specific zones used in different regions.
Does South Korea use daylight saving time?
Yes. Most regions of South Korea observe daylight saving time (DST). Clocks are typically set forward in March and back in November.

See also

How to convert South Korea time

To convert South Korea time to other countries:

  1. Identify the time zone of the city or region.
  2. Check whether daylight saving time (DST) is in effect.
  3. Compare with the UTC offset of your country.
Time now in locations in South Korea with links for more information (308 locations)