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Seoul — Asia/Seoul

The current local time in the Asia/Seoul IANA time zone is shown below. It is the tz database identifier used in South Korea. The zone is currently at UTC +09:00 · GMT+9 and does not observe daylight saving time.

Asia/Seoul

00:39:16

Friday, 23 October 2026 GMT+9

Zone information

IANA designation

Asia/Seoul

Region: Asia

Reference pages: KST

Offset & DST

Current UTC offset: +09:00

Daylight saving: Not observed

Countries using Asia/Seoul

Seoul vs. major cities

How far Seoul is from the world's main business centres right now, what time it is there when the working day starts in Seoul, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.

City Difference At 09:00 in Seoul Shared office hours
New York · United States −13 h 20:00 (prev. day) None
Los Angeles · United States −16 h 17:00 (prev. day) None
São Paulo · Brazil −12 h 21:00 (prev. day) None
London · United Kingdom −8 h 01:00 None
Paris · France −7 h 02:00 16:00–17:00
Johannesburg · South Africa −7 h 02:00 16:00–17:00
Dubai · United Arab Emirates −5 h 04:00 14:00–17:00
Delhi · India −3:30 h 05:30 12:30–17:00
Singapore · Singapore −1 h 08:00 10:00–17:00
Beijing · China −1 h 08:00 10:00–17:00

Shared office hours are shown in Seoul time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.

Clock changes in Seoul

Since 1970, Seoul has gone through 3 distinct time-keeping periods, observing daylight saving time in 2 of 57 years. Since 1989 it has stayed on UTC +09:00 all year.

No clock changes are scheduled in 2026 or 2027: Seoul stays on UTC +09:00 all year.

Time zone history since 1970

YearsOffsetDaylight saving
1970–1986UTC +09:00 all yearNo daylight saving time
1987–1988UTC +09:00, DST UTC +10:00Daylight saving dates varied from year to year
1989–2026UTC +09:00 all yearNo daylight saving time

Source: IANA tz database, as shipped with the Unicode ICU library.

Cities in this zone

Zones on the same clock as Seoul

All IANA zones →

These zones show the same time as Asia/Seoul on every day of 2026. Their histories may differ.

More references for Asia/Seoul

Compare Asia/Seoul against other zones with the converter, map, and world clock, or browse the full directory.