Current time in Seoul

South Korea · UTC+9

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Asia/Seoul

UTC offset

UTC+9

Daylight Saving

No — not observed

Time zone ID

Asia/Seoul

Business hours

9:00 AM – 6:00 PM KST (Monday–Friday)

About Seoul's time zone

Seoul operates on Korea Standard Time (KST, UTC+9) year-round. South Korea abolished daylight saving time in 1988 (just before the Seoul Olympics) and has not observed it since. KST is the same as Japan Standard Time (JST), meaning Seoul and Tokyo always share the same clock — a fact that both Koreans and Japanese sometimes find ironic given historical tensions. Seoul is 9 hours ahead of London and 14 hours ahead of New York.

Best time to call Seoul

Calling from	Recommended window
New York	7:00 PM – 4:00 AM ET
London	12:00 AM – 9:00 AM GMT
Los Angeles	4:00 PM – 1:00 AM PT
Singapore	8:00 AM – 5:00 PM SGT

Did you know? North Korea briefly used a separate time zone called Pyongyang Time (UTC+8:30) from 2015 to 2018, describing it as liberation from 'Japanese imperialism' which had imposed UTC+9. Then, ahead of the 2018 inter-Korean summit, Kim Jong-un moved North Korea back to UTC+9 to 'unify' with South Korea — a rare clock-based diplomatic gesture.

Cities in the same time zone