Current Time in Sejong, Sejong-si, South Korea
4:36:54 PM
16:36:54
KST (Korea Standard Time) · UTC+09:00
Asia/Seoul
Clock format
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Time zone details
Sejong does not observe daylight saving time in 2026
Daylight in Sejong
Location facts
Place
- Country
- South Korea
- Administrative area
- Sejong-si
- Place type
- City or town
- Country currency
- South Korean Won (KRW)
Practical
- Languages
- Korean, English
- Dialing code
- +82
- Population
- 394,630
- Elevation
- Approximately 49 m (DEM estimate)
Geography
- Geographic coordinates
- 36° 35' N / 127° 17' E
Convert Sejong time
Compare Sejong with another city or time zone
Popular conversions (current offsets)
All times shown relative to Sejong local time
Clock changes in Sejong
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 28 min2 min 17 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
Waxing CrescentMoon illumination10%
View full Sun & Moon detailsHide full Sun & Moon details
Monday, September 14, 2026
View Sejong on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 28 min2 min 17 sec shorter than the previous day
- Solar noon
- (56.8° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waxing Crescent (10% 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 28 min | 2 min 17 sec shorter than the previous day | |||
| 12 hr 26 min | 2 min 18 sec shorter than the previous day | |||
| 12 hr 24 min | 2 min 18 sec shorter than the previous day | |||
| 12 hr 22 min | 2 min 18 sec shorter than the previous day | |||
| 12 hr 19 min | 2 min 18 sec shorter than the previous day | |||
| 12 hr 17 min | 2 min 18 sec shorter than the previous day | |||
| 12 hr 15 min | 2 min 19 sec shorter than the previous day |
Weather forecast for Sejong
Temperature unit
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Plan around Sejong
Time context
Sejong 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 Sejong, Sejong-si, South Korea
Cheongju International Airport/Cheongju Air Base (K-59/G-513)CJJLarge airport · Serves Cheongju23.1 km northeast
Source: OurAirports record · CJJ / RKTU
About 23.1 km (14.4 mi) northeast of Sejong
Scheduled airline service in source data
Gunsan Airport / Gunsan Air BaseKUVMedium airport · Serves Gunsan97.7 km southwest
Source: OurAirports record · KUV / RKJK
About 97.7 km (60.7 mi) southwest of Sejong
Scheduled airline service in source data
Wonju Airport / Hoengseong Air Base (K-38/K-46)WJUMedium airport · Serves Wonju111 km north-northeast
Source: OurAirports record · WJU / RKNW
About 111 km (69.0 mi) north-northeast of Sejong
Scheduled airline service in source data
Nearby places
Cheongju-siCheongju-siSouth Korea18 kmEGongjuGongju-siSouth Korea21 kmSWCheonanCheonan-siSouth Korea27 kmNWDaejeonDaejeonSouth Korea28 kmSAsanAsan-siSouth Korea33 kmNWSeonghwanCheonan-siSouth Korea39 kmNOkcheonOkcheon-gunSouth Korea41 kmSEYesanYesan-gunSouth Korea41 kmWAnseongAnseongSouth Korea47 kmNNonsanNonsan-siSouth Korea47 kmSWBuyeoBuyeo-gunSouth Korea49 kmSWKoesanGoesan-gunSouth Korea51 kmNE
Browse places in South KoreaFrequently asked questions
- What time zone is Sejong in?
- Sejong currently uses Korea Standard Time (KST). Its IANA time zone is Asia/Seoul.
- When is the next clock change in Sejong?
- No clock changes are scheduled for Sejong in the next 12 months
- Does Sejong observe daylight saving time?
- Sejong does not observe daylight saving time in 2026
- What is the UTC offset in Sejong right now?
- Sejong is currently UTC+09:00