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Time · Seoul

UTC offset

Daylight saving

Day of year

Week number

Sun & sky today

A 24-hour clock with the daylight band shaded amber and the twilight wings shaded blue. Today is plotted; the accent hand points at right-now.

Sunrise
Solar noon
Sunset
Day length

Right now elsewhere

The same instant rendered in nine major cities. Useful for "are they awake yet?" gut checks.

Common business-hour conversions

Reasonable local meeting slots in Seoul translated to your browser's local timezone.

In SeoulIn your timezone

A few facts about this clock

IANA zone
Asia/Seoul · the canonical identifier the IANA timezone database uses for this region.
Abbreviation
KST · short code commonly used in scheduling and journalism.
DST handling
If this region observes daylight saving, the offset above already reflects whichever side of the transition we're on.
Leap seconds
The clock follows UTC, which has had 27 leap seconds added since 1972. Most operating systems smear them across the day rather than tick a literal 23:59:60.