Current Time in Seongnam-si, Gyeonggi-do, South Korea
9:27:37 AM
09:27:37
KST (Korea Standard Time) · UTC+09:00
Asia/Seoul
Time zone details
Seongnam-si does not observe daylight saving time in 2026
Daylight in Seongnam-si
Location facts
Place
- Country
- South Korea
- Administrative area
- Gyeonggi-do
- Place type
- Populated place
- Country currency
- South Korean Won (KRW)
Practical
- Country languages
- Korean, English
- Dialing code
- +82
- Population
- 914,832
- Elevation
- Approximately 80 m (DEM estimate)
Geography
- Geographic coordinates
- 37° 26' N / 127° 08' E
Convert Seongnam-si time
Compare Seongnam-si with another city or time zone
Seongnam-si follows the same clock and daylight-saving rules as Seoul
Popular conversions (current offsets)
All times shown relative to Seongnam-si local time
Clock changes in Seongnam-si
2026
No clock or time-zone designation changes in 2026
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 11 hr 11 min2 min 18 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Saturday, October 17, 2026
View Seongnam-si on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 11 hr 11 min2 min 18 sec shorter than the previous day
- Solar noon
- (43.4° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- First Quarter (36% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Sunday, October 11, 2026 at
- Next principal phase
- First Quarter — Monday, October 19, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 11 hr 11 min | 2 min 18 sec shorter than the previous day | |||
| 11 hr 09 min | 2 min 18 sec shorter than the previous day | |||
| 11 hr 07 min | 2 min 17 sec shorter than the previous day | |||
| 11 hr 04 min | 2 min 17 sec shorter than the previous day | |||
| 11 hr 02 min | 2 min 16 sec shorter than the previous day | |||
| 11 hr 00 min | 2 min 15 sec shorter than the previous day | |||
| 10 hr 58 min | 2 min 14 sec shorter than the previous day |
Weather forecast for Seongnam-si
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Plan around Seongnam-si
Upcoming national public holidays in South Korea
- Christmas Day
- New Year's Day
- Korean New Year
Nearby scheduled airports for Seongnam-si, Gyeonggi-do, South Korea
Seoul Gimpo International AirportGMPLarge airport · Serves Seoul33.4 km west-northwest
Source: OurAirports record · GMP / RKSS
About 33.4 km (20.8 mi) west-northwest of Seongnam-si
Scheduled airline service in source data
Incheon International AirportICNLarge airport · Serves Seoul60.7 km west
Source: OurAirports record · ICN / RKSI
About 60.7 km (37.7 mi) west of Seongnam-si
Scheduled airline service in source data
Wonju Airport / Hoengseong Air Base (K-38/K-46)WJUMedium airport · Serves Wonju72.6 km east
Source: OurAirports record · WJU / RKNW
About 72.6 km (45.1 mi) east of Seongnam-si
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Seongnam-si in?
- Seongnam-si uses Korea Standard Time (KST, UTC+9) all year. Its IANA time zone is Asia/Seoul.
- When is the next clock change in Seongnam-si?
- No clock changes are scheduled for Seongnam-si in the next 12 months
- Does Seongnam-si observe daylight saving time?
- No. Seongnam-si uses KST (UTC+9) all year.
- What is the UTC offset of Seongnam-si?
- Seongnam-si is UTC+9 all year