Current Time in Seosan, Chungcheongnam-do, South Korea
12:02:28 AM
00:02:28
KST (Korea Standard Time) · UTC+09:00
Asia/Seoul
Clock format
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Time zone details
Seosan does not observe daylight saving time in 2026
Daylight in Seosan
Location facts
Place
- Country
- South Korea
- Administrative area
- Chungcheongnam-do
- District
- Seosan-si
- Place type
- Populated place
- Country currency
- South Korean Won (KRW)
Practical
- Languages
- Korean, English
- Dialing code
- +82
- Population
- 74,208
- Elevation
- Approximately 33 m (DEM estimate)
Geography
- Geographic coordinates
- 36° 46' N / 126° 27' E
Convert Seosan time
Compare Seosan with another city or time zone
Popular conversions (current offsets)
All times shown relative to Seosan local time
Clock changes in Seosan
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
- 12 hr 24 min2 min 19 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
Waxing CrescentMoon illumination25%
View full Sun & Moon detailsHide full Sun & Moon details
Wednesday, September 16, 2026
View Seosan on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 24 min2 min 19 sec shorter than the previous day
- Solar noon
- (55.9° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (25% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Friday, September 11, 2026 at
- Next principal phase
- First Quarter — Saturday, September 19, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 24 min | 2 min 19 sec shorter than the previous day | |||
| 12 hr 22 min | 2 min 19 sec shorter than the previous day | |||
| 12 hr 19 min | 2 min 19 sec shorter than the previous day | |||
| 12 hr 17 min | 2 min 19 sec shorter than the previous day | |||
| 12 hr 15 min | 2 min 20 sec shorter than the previous day | |||
| 12 hr 12 min | 2 min 19 sec shorter than the previous day | |||
| 12 hr 10 min | 2 min 19 sec shorter than the previous day |
Weather forecast for Seosan
Temperature unit
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Plan around Seosan
Time context
Seosan follows the same clock and daylight-saving rules as Seoul
Current time offsetUTC+09:00 (KST)
View time differencesUpcoming national public holidays in South Korea
- Korean Thanksgiving
- National Foundation Day
- National Foundation Day (substitute day)
Nearby scheduled airports for Seosan, Chungcheongnam-do, South Korea
Incheon International AirportICNLarge airport · Serves Seoul76.4 km north
Source: OurAirports record · ICN / RKSI
About 76.4 km (47.5 mi) north of Seosan
Scheduled airline service in source data
Seoul Gimpo International AirportGMPLarge airport · Serves Seoul91.4 km north-northeast
Source: OurAirports record · GMP / RKSS
About 91.4 km (56.8 mi) north-northeast of Seosan
Scheduled airline service in source data
Cheongju International Airport/Cheongju Air Base (K-59/G-513)CJJLarge airport · Serves Cheongju93.7 km east
Source: OurAirports record · CJJ / RKTU
About 93.7 km (58.2 mi) east of Seosan
Scheduled airline service in source data
Nearby places
TangjinDangjin-siSouth Korea20 kmNETaesal-liSeosan-siSouth Korea21 kmNHongseongHongseong-gunSouth Korea28 kmSEYesanYesan-gunSouth Korea37 kmEAsanAsan-siSouth Korea49 kmEBoryeongBoryeong-siSouth Korea50 kmSHwaseong-siHwaseong-siSouth Korea57 kmNESeonghwanCheonan-siSouth Korea62 kmECheonanCheonan-siSouth Korea62 kmEAnsan-siAnsan-siSouth Korea69 kmNEOsanOsan-siSouth Korea69 kmNEBuyeoBuyeo-gunSouth Korea70 kmSE
Browse places in South KoreaFrequently asked questions
- What time zone is Seosan in?
- Seosan currently uses Korea Standard Time (KST). Its IANA time zone is Asia/Seoul.
- When is the next clock change in Seosan?
- No clock changes are scheduled for Seosan in the next 12 months
- Does Seosan observe daylight saving time?
- Seosan does not observe daylight saving time in 2026
- What is the UTC offset in Seosan right now?
- Seosan is currently UTC+09:00