Time in Seoul
The current offset in Seoul is UTC+9, on the Asia/Seoul zone. Its clocks never change, so that offset holds all year.
Seoul, South Korea
Zone facts
- IANA zone
- Asia/Seoul
- Abbreviation
- —
- Standard offset
- UTC+9
- Daylight offset
- —
- Country
- South Korea (KR)
- Coordinates
- 37.57, 126.98
Daylight saving time
This city does not observe daylight saving time. Its offset from UTC is the same on every day of the year.
Sunrise and sunset
Computed from the city’s latitude and longitude with the NOAA solar position algorithm — no API, no network call.
- Sunrise
- 05:54
- Sunset
- 19:17
- Daylight
- 13 hours 23 minutes
Against the major hubs
Common questions
- What time zone is Seoul in?
- Seoul uses the Asia/Seoul time zone, currently UTC+9. Use the IANA identifier rather than the abbreviation in code — abbreviations are ambiguous, and this one may mean something else somewhere else.
- Does Seoul observe daylight saving time?
- No. Seoul keeps UTC+9 all year round, so its offset from UTC never changes.
- What is the difference between Seoul and UTC?
- UTC+9 as of the last rebuild. That figure is constant, because the city does not change its clocks.
- When does the sun rise and set in Seoul?
- On the day of the last rebuild, sunrise was 05:54 and sunset 19:17 local time, giving 13 hours 23 minutes of daylight. These are computed from the city’s latitude and longitude, not fetched from anywhere.