Current local time in SejongSejong-si, South Korea
––:––
Asia/SeoulUTC+9
Sejong keeps Korean Standard Time (KST, UTC+9) all year, with no daylight saving. Its IANA time zone is Asia/Seoul.
Daylight saving time in Sejong
Sejong does not observe daylight saving time. It stays on UTC+9 all year, so its difference from places that do change their clocks — most of Europe and North America — shifts by an hour twice a year, even though nothing changes locally.
Cities on the same time as Sejong
These places show the same clock as Sejong every day of the coming year, clock changes included.
Sejong time zone at a glance
- IANA time zone
- Asia/Seoul
- UTC offset
- UTC+9
- Daylight saving
- Not observed
- Next clock change
- None in the next 14 months
- Country
- South Korea
- Region
- Sejong-si
- Coordinates
- 36.59°, 127.29°
- Population
- 394,630
- Local date
- —
Sunrise and sunset in Sejong today
Computed from Sejong's latitude and longitude for the current local date. Times shift by a minute or two either side depending on elevation and the horizon you actually see.
- Sunrise
- —
- Sunset
- —
- Solar noon
- —
- Day length
- —
- Civil dawn
- —
- Civil dusk
- —
- Golden hour ends
- —
- Golden hour begins
- —
Sejong time difference from major cities
| City | Local time now | Sejong is |
|---|---|---|
| New York CityUnited States | — | 13h ahead |
| LondonUnited Kingdom | — | 8h ahead |
| DubaiUnited Arab Emirates | — | 5h ahead |
| SingaporeSingapore | — | 1h ahead |
| TokyoJapan | — | same time |
| SydneyAustralia | — | 2h behind |
Need a different pair? Compare any two cities or convert a specific time.
Sejong time: questions and answers
- What time is it in Sejong right now?
- The clock at the top of this page shows the live local time in Sejong, updated every second from your device's clock. Sejong keeps Korean Standard Time (KST, UTC+9) all year, with no daylight saving.
- What time zone is Sejong in?
- Sejong is in the IANA time zone Asia/Seoul: Korean Standard Time (KST, UTC+9) all year, with no daylight saving.
- Does Sejong observe daylight saving time?
- No. Sejong stays on UTC+9 all year, so its difference from places that do change their clocks shifts twice a year even though nothing changes locally.
- Which cities share Sejong's time?
- Seoul, Busan, Incheon, Daegu, Daejeon, Gwangju keep the same clock as Sejong all year.
Planning something with Sejong?
- Find a meeting time — the hours that overlap between Sejong and your team.
- Convert a time — turn a time in Sejong into yours, or the other way round.
- Compare office hours — when Sejong offices and yours are both open.
- Send a calendar invite — with the Asia/Seoul time zone set correctly.
Other cities in South Korea
Cheongju-si, Daejeon, Cheonan, Pyeongtaek, Iksan, Suwon, Hwaseong-si, Jeonju, Seongnam-si, Ansan-si