Current Time in Sejong, Sejong-si, South Korea
6:44:54 AM
06:44:54
KST (Korea Standard Time) · UTC+09:00
Asia/Seoul
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
- Country 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
Sejong follows the same clock and daylight-saving rules as Seoul
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
- 10 hr 37 min2 min 1 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Tuesday, November 3, 2026
View Sejong on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 37 min2 min 1 sec shorter than the previous day
- Solar noon
- (38.4° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Third Quarter (36% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- Third Quarter — Monday, November 2, 2026 at
- Next principal phase
- New Moon — Monday, November 9, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 37 min | 2 min 1 sec shorter than the previous day | |||
| 10 hr 35 min | 2 min shorter than the previous day | |||
| 10 hr 33 min | 1 min 58 sec shorter than the previous day | |||
| 10 hr 31 min | 1 min 58 sec shorter than the previous day | |||
| 10 hr 29 min | 1 min 56 sec shorter than the previous day | |||
| 10 hr 27 min | 1 min 54 sec shorter than the previous day | |||
| 10 hr 25 min | 1 min 53 sec shorter than the previous day |
Weather forecast for Sejong
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Plan around Sejong
Upcoming national public holidays in South Korea
- Christmas Day
- New Year's Day
- Korean New Year
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
Frequently asked questions
- What time zone is Sejong in?
- Sejong uses Korea Standard Time (KST, UTC+9) all year. 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?
- No. Sejong uses KST (UTC+9) all year.
- What is the UTC offset of Sejong?
- Sejong is UTC+9 all year