Cheonan, 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 ) Cheonan, South Korea |
Current Time in other Cities of South Korea
Cheonan clocks, offsets and daylight saving
If you need the offset: Cheonan is on KST, 9 hours ahead of UTC, i.e. UTC+09:00. The matching IANA zone is Asia/Seoul.
Daylight saving is not observed here, so UTC+09:00 is year-round. Any seasonal drift you notice against another city comes from that city, not from Cheonan.
Cheonan has roughly 666,417 residents and ranks 7th by population among the South Korea cities on this site.
Cheonan compared with major world cities
Live differences from Cheonan, calculated from each zone's rules as they stand today rather than a fixed table.
| New York | UTC-04:00 | Cheonan is 13 hours ahead |
| Los Angeles | UTC-07:00 | Cheonan is 16 hours ahead |
| London | UTC+01:00 | Cheonan is 8 hours ahead |
| Paris | UTC+02:00 | Cheonan is 7 hours ahead |
| Dubai | UTC+04:00 | Cheonan is 5 hours ahead |
| Mumbai | UTC+05:30 | Cheonan is 3 hours 30 minutes ahead |
| Shanghai | UTC+08:00 | Cheonan is 1 hour ahead |
| Tokyo | UTC+09:00 | same time as Cheonan |
| Sydney | UTC+10:00 | Cheonan is 1 hour behind |
| Sao Paulo | UTC-03:00 | Cheonan is 12 hours ahead |
Working hours that match Cheonan
Assuming a 09:00–17:00 day at both ends, these windows (in Cheonan local time) fall inside working hours for both cities.
| Tokyo | 09:00–17:00 in Cheonan | 8 hours overlap |
| Shanghai | 10:00–17:00 in Cheonan | 7 hours overlap |
| Sydney | 09:00–16:00 in Cheonan | 7 hours overlap |
| Mumbai | 12:30–17:00 in Cheonan | 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 Cheonan's time zone
Same zone, same time — each of these sits on Asia/Seoul alongside Cheonan, including through any clock change.
Goyang-si Seongnam-si Changwon Bucheon-si Cheongju-si Ansan-si Jeonju Hwaseong-si
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 |