Current Time in Osan, Gyeonggi-do, South Korea
11:09:57 PM
23:09:57
KST (Korea Standard Time) · UTC+09:00
Asia/Seoul
Time zone details
Osan does not observe daylight saving time in 2026
Daylight in Osan
Location facts
Place
- Country
- South Korea
- Administrative area
- Gyeonggi-do
- District
- Osan-si
- Place type
- Populated place
- Country currency
- South Korean Won (KRW)
Practical
- Country languages
- Korean, English
- Dialing code
- +82
- Population
- 238,788
- Elevation
- Approximately 22 m (DEM estimate)
Geography
- Geographic coordinates
- 37° 09' N / 127° 04' E
Convert Osan time
Compare Osan with another city or time zone
Osan follows the same clock and daylight-saving rules as Seoul
Popular conversions (current offsets)
All times shown relative to Osan local time
Clock changes in Osan
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 45 min2 min 9 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Thursday, October 29, 2026
View Osan on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 45 min2 min 9 sec shorter than the previous day
- Solar noon
- (39.4° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Waning Gibbous (88% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- Full Moon — Monday, October 26, 2026 at
- Next principal phase
- Third Quarter — Monday, November 2, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 45 min | 2 min 9 sec shorter than the previous day | |||
| 10 hr 43 min | 2 min 7 sec shorter than the previous day | |||
| 10 hr 41 min | 2 min 7 sec shorter than the previous day | |||
| 10 hr 39 min | 2 min 5 sec shorter than the previous day | |||
| 10 hr 37 min | 2 min 5 sec shorter than the previous day | |||
| 10 hr 35 min | 2 min 3 sec shorter than the previous day | |||
| 10 hr 33 min | 2 min 2 sec shorter than the previous day |
Weather forecast for Osan
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Plan around Osan
Upcoming national public holidays in South Korea
- Christmas Day
- New Year's Day
- Korean New Year
Nearby scheduled airports for Osan, Gyeonggi-do, South Korea
Seoul Gimpo International AirportGMPLarge airport · Serves Seoul51.5 km north-northwest
Source: OurAirports record · GMP / RKSS
About 51.5 km (32.0 mi) north-northwest of Osan
Scheduled airline service in source data
Cheongju International Airport/Cheongju Air Base (K-59/G-513)CJJLarge airport · Serves Cheongju61.8 km southeast
Source: OurAirports record · CJJ / RKTU
About 61.8 km (38.4 mi) southeast of Osan
Scheduled airline service in source data
Incheon International AirportICNLarge airport · Serves Seoul65.1 km west-northwest
Source: OurAirports record · ICN / RKSI
About 65.1 km (40.5 mi) west-northwest of Osan
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Osan in?
- Osan uses Korea Standard Time (KST, UTC+9) all year. Its IANA time zone is Asia/Seoul.
- When is the next clock change in Osan?
- No clock changes are scheduled for Osan in the next 12 months
- Does Osan observe daylight saving time?
- No. Osan uses KST (UTC+9) all year.
- What is the UTC offset of Osan?
- Osan is UTC+9 all year