Time Zone
GMT+9
UTC +09:00
Check whether Seongnam observes daylight saving time and see its time zone, UTC offset, and clock change information.
2026 DST
Asia/Seoul
Seongnam does not have a seasonal UTC offset change during 2026. The same clock offset is used throughout the year.
There are no seasonal clock changes detected for Seongnam during 2026.
| Year | DST Starts | DST Ends |
|---|---|---|
| 2023 | No clock change | No clock change |
| 2024 | No clock change | No clock change |
| 2025 | No clock change | No clock change |
| 2026 | No clock change | No clock change |
| 2027 | No clock change | No clock change |
| 2028 | No clock change | No clock change |
| 2029 | No clock change | No clock change |
Seongnam does not have a seasonal UTC offset change in 2026 according to the Asia/Seoul time zone data.
The IANA time zone identifier used for Seongnam is Asia/Seoul.
Time Zone
GMT+9
UTC +09:00
Seongnam does not have a seasonal UTC offset change in 2026 according to the Asia/Seoul time zone data.
Seongnam uses the IANA time zone identifier Asia/Seoul.
No seasonal UTC offset change is detected for Seongnam in 2026.
Compare daylight saving time dates, clock changes and time zones in other cities.