Current Time in Seongnam
South Korea · Asia/Seoul · GMT+9
Wednesday, March 18, 2026
09:48:04 PM
Korean Standard Time · GMT+9
Sun
- Sunrise
- 06:38 AM (E)
- Sunset
- 06:40 PM (W)
- Solar Noon
- 12:39 PM
- Daylight
- 12h 2m+2m vs yesterday
- Civil Dawn
- 06:12 AM
- Civil Dusk
- 07:06 PM
Daylight Saving Time
No DST observed in South Korea
Geography
- Country
- South Korea
- Calling Code
- +82
- Currency
- KRW
- Coordinates
- 37.44°N, 127.14°E
About Seongnam's Time Zone
Seongnam operates on the Korean Standard Time time zone (GMT+9).
With a metropolitan population of approximately 940,000, it is one of the most significant cities in South Korea.
South Korea does not observe Daylight Saving Time, so Seongnam maintains the GMT+9 offset year-round — a convenience for international scheduling since the offset never changes.
The IANA timezone identifier for Seongnam is Asia/Seoul, used by operating systems and programming languages worldwide.
When scheduling calls, meetings, or travel involving Seongnam, always verify the current UTC offset since daylight saving transitions can shift the relative time difference with other regions.
Cities in the Same Timezone (Asia/Seoul)
These cities share the GMT+9 UTC offset with Seongnam.