Osan, 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 ) Osan, South Korea |
Current Time in other Cities of South Korea
What time zone is Osan in?
If you need the offset: Osan is on KST, 9 hours ahead of UTC, i.e. UTC+09:00. The matching IANA zone is Asia/Seoul.
There is no daylight saving in Osan. UTC+09:00 applies all year, so the offset never moves on this side — only the other party's clock changes.
Population: about 158,978 — 37th largest of the 45 South Korea cities indexed here.
Osan compared with major world cities
Live differences from Osan, calculated from each zone's rules as they stand today rather than a fixed table.
| New York | UTC-04:00 | Osan is 13 hours ahead |
| Los Angeles | UTC-07:00 | Osan is 16 hours ahead |
| London | UTC+01:00 | Osan is 8 hours ahead |
| Paris | UTC+02:00 | Osan is 7 hours ahead |
| Dubai | UTC+04:00 | Osan is 5 hours ahead |
| Mumbai | UTC+05:30 | Osan is 3 hours 30 minutes ahead |
| Shanghai | UTC+08:00 | Osan is 1 hour ahead |
| Tokyo | UTC+09:00 | same time as Osan |
| Sydney | UTC+10:00 | Osan is 1 hour behind |
| Sao Paulo | UTC-03:00 | Osan is 12 hours ahead |
When Osan and other cities overlap
Overlap of a normal working day, shown in Osan time — outside these windows one side is off the clock.
| Tokyo | 09:00–17:00 in Osan | 8 hours overlap |
| Shanghai | 10:00–17:00 in Osan | 7 hours overlap |
| Sydney | 09:00–16:00 in Osan | 7 hours overlap |
| Mumbai | 12:30–17:00 in Osan | 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 Osan's time zone
No difference at all from Osan: 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 |