Seongnam, South Korea
Current time in South Korea
Time zone: KST (UTC/GMT +09:00) — Asia/Seoul
| Local Clock Offset: Yesterday, 9 H |
| Time zone: (UTC/GMT +09:00) Asia/Seoul |
Current Time in other Cities of South Korea
What time zone is Seongnam in?
The local standard in Seongnam is KST — UTC+09:00, or 9 hours ahead of UTC. Systems that store time zones by name use Asia/Seoul for this part of the world.
There is no daylight saving in Seongnam. UTC+09:00 applies all year, so the offset never moves on this side — only the other party's clock changes.
Time gaps from Seongnam right now
Current gap between Seongnam and cities people most often need to coordinate with. These figures already account for daylight saving where it applies.
| New York | UTC-04:00 | Seongnam is 13 hours ahead |
| Los Angeles | UTC-07:00 | Seongnam is 16 hours ahead |
| London | UTC+01:00 | Seongnam is 8 hours ahead |
| Paris | UTC+02:00 | Seongnam is 7 hours ahead |
| Dubai | UTC+04:00 | Seongnam is 5 hours ahead |
| Mumbai | UTC+05:30 | Seongnam is 3 hours 30 minutes ahead |
| Shanghai | UTC+08:00 | Seongnam is 1 hour ahead |
| Tokyo | UTC+09:00 | same time as Seongnam |
| Sydney | UTC+10:00 | Seongnam is 1 hour behind |
| Sao Paulo | UTC-03:00 | Seongnam is 12 hours ahead |
When Seongnam and other cities overlap
Where the two working days actually meet, expressed in Seongnam local time.
| Tokyo | 09:00–17:00 in Seongnam | 8 hours overlap |
| Shanghai | 10:00–17:00 in Seongnam | 7 hours overlap |
| Sydney | 09:00–16:00 in Seongnam | 7 hours overlap |
| Mumbai | 12:30–17:00 in Seongnam | 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 Seongnam's time zone
No difference at all from Seongnam: the cities below share the Asia/Seoul zone.
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 |