Cheonan, South Korea
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Time in Cheonan, South Korea right now
Cheonan is a major city in Chungcheongnam-do, South Korea. Clocks follow the Asia/Seoul time zone, UTC+9, with no clock changes recorded for 2026 under current rules.
About 658,831 people set their clocks to this time in Cheonan alone.
Live clock for Cheonan
Local times come from your browser's IANA time zone data.
Cheonan time compared with UTC
Cheonan runs UTC+9 throughout 2026 under current rules. When it is 12:00 UTC the clock in Cheonan reads 21:00.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | Cheonan |
|---|---|
| 00:00 | 09:00 |
| 03:00 | 12:00 |
| 06:00 | 15:00 |
| 09:00 | 18:00 |
| 12:00 | 21:00 |
| 15:00 | 00:00 next day |
| 18:00 | 03:00 next day |
| 21:00 | 06:00 next day |
When the clocks change in Cheonan
No clock changes are recorded for Cheonan in 2026 or 2027 under the time zone rules used for this build. The listed zones keep their UTC offsets during these years. Governments can revise these rules; future dates are projections.
Time difference from Cheonan
| City | In January | In July |
|---|---|---|
| New York City | 14 hours behind Cheonan | 13 hours behind Cheonan |
| London | 9 hours behind Cheonan | 8 hours behind Cheonan |
| Paris | 8 hours behind Cheonan | 7 hours behind Cheonan |
| Dubai | 5 hours behind Cheonan | 5 hours behind Cheonan |
| Mumbai | 3:30 hours behind Cheonan | 3:30 hours behind Cheonan |
| Singapore | 1 hour behind Cheonan | 1 hour behind Cheonan |
| Tokyo | the same time as Cheonan | the same time as Cheonan |
| Sydney | 2 hours ahead of Cheonan | 1 hour ahead of Cheonan |
| Los Angeles | 17 hours behind Cheonan | 16 hours behind Cheonan |
| Sao Paulo | 12 hours behind Cheonan | 12 hours behind Cheonan |
Sunrise and sunset in Cheonan through the year
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 06:35 | 18:42 | 12 h 07 m |
| June solstice (about Jun 21) | 05:12 | 19:53 | 14 h 41 m |
| September equinox (about Sep 22) | 06:19 | 18:29 | 12 h 10 m |
| December solstice (about Dec 21) | 07:40 | 17:18 | 9 h 38 m |
Computed for Cheonan's own coordinates with standard NOAA solar equations. Full twilight and golden hour detail lives on the Cheonan sunrise and sunset page.
Related city clocks
More cities in South Korea:
Common questions about time in Cheonan
What time zone is Cheonan in?
Cheonan uses the Asia/Seoul time zone: UTC+9 in January and throughout 2026 under current rules.
Does Cheonan change its clocks in 2026?
No clock changes are recorded for Cheonan in 2026. It keeps UTC+9 under current rules.
What is the time difference between Cheonan and New York City?
In January, New York City is 14 hours behind Cheonan; in July it is 13 hours behind Cheonan. The table above lists more cities.
City data from GeoNames (CC BY 4.0). Live times come from your browser's IANA time zone data; sun times use standard NOAA solar equations at Cheonan's coordinates.