Sejong, South Korea
Current time in South Korea
Time zone: KST (UTC/GMT +09:00) — Asia/Seoul
| Local Clock Offset: Today, 1 H |
| Time zone: (UTC/GMT +9 ) Sejong, South Korea |
Current Time in other Cities of South Korea
Sejong clocks, offsets and daylight saving
Clocks in Sejong are set to KST, 9 hours ahead of UTC (UTC+09:00). Software that asks for a region wants Asia/Seoul — the IANA identifier for this zone.
Clocks in Sejong stay put. With no summer-time switch, the UTC+09:00 offset is fixed and the differences shown below only shift when the other end changes.
Sejong has roughly 351,007 residents and ranks 19th by population among the South Korea cities on this site.
Sejong compared with major world cities
Live differences from Sejong, calculated from each zone's rules as they stand today rather than a fixed table.
| New York | UTC-04:00 | Sejong is 13 hours ahead |
| Los Angeles | UTC-07:00 | Sejong is 16 hours ahead |
| London | UTC+01:00 | Sejong is 8 hours ahead |
| Paris | UTC+02:00 | Sejong is 7 hours ahead |
| Dubai | UTC+04:00 | Sejong is 5 hours ahead |
| Mumbai | UTC+05:30 | Sejong is 3 hours 30 minutes ahead |
| Shanghai | UTC+08:00 | Sejong is 1 hour ahead |
| Tokyo | UTC+09:00 | same time as Sejong |
| Sydney | UTC+10:00 | Sejong is 1 hour behind |
| Sao Paulo | UTC-03:00 | Sejong is 12 hours ahead |
Working hours that match Sejong
Overlap of a normal working day, shown in Sejong time — outside these windows one side is off the clock.
| Tokyo | 09:00–17:00 in Sejong | 8 hours overlap |
| Shanghai | 10:00–17:00 in Sejong | 7 hours overlap |
| Sydney | 09:00–16:00 in Sejong | 7 hours overlap |
| Mumbai | 12:30–17:00 in Sejong | 4.5 hours overlap |
No shared working window exists with New York, Los Angeles, London or Sao Paulo, so those calls have to sit outside somebody's normal hours.
Sharing Sejong's time zone
Same zone, same time — each of these sits on Asia/Seoul alongside Sejong, including through any clock change.
Goyang-si Seongnam-si Changwon Bucheon-si Cheongju-si Ansan-si Cheonan Jeonju
Popular cities
| New York, United States |
| London, United Kingdom |
| Paris, France |
| Tokyo, Japan |
| Beijing, China |
| Sydney, Australia |
| Berlin, Germany |
| Moscow, Russia |
| Dubai, United Arab Emirates |
| Singapore, Singapore |
| Los Angeles, United States |
| Chicago, United States |
| Toronto, Canada |
| Mexico City, Mexico |
| São Paulo, Brazil |
| Mumbai, India |
| Hong Kong, Hong Kong |
| Seoul, South Korea |
| Istanbul, Turkey |
| Cairo, Egypt |
| Lagos, Nigeria |
| Buenos Aires, Argentina |
| Madrid, Spain |
| Rome, Italy |