Current time in Cheonan, South Korea
| Time zone | Asia/Seoul (KST) |
|---|---|
| UTC offset | UTC+9 |
| Clock changes | None in 2026 or 2027 |
| Country | South Korea |
| Region | Chungcheongnam-do |
| Population | 658,831 |
| Coordinates | 36.81°N, 127.15°E |
| Sun and moon | Sunrise, sunset and moon phase |