Current Local Time in Jeju
South Korea Asia/Seoul KST UTC+9 No clock change
8:29:47 PM
Sunday, August 2, 2026
Nighttime UTC+9 (+09:00)
Static values shown for ; your browser updates them to the current second.
UTC offset now
UTC+9
Same on every date
Abbreviation
KST
No seasonal variant
Daylight saving
No clock change
Jeju never changes its clocks
IANA time zone
Asia/Seoul
South Korea · Asia
Jeju time zone
Jeju keeps a single offset all year. Local clocks run UTC+9, written KST, and there is no seasonal adjustment — so the only reason your difference with Jeju would change is a clock change where you are.
- IANA time zone
- Asia/Seoul
- Offset in standard time
- UTC+9 (KST)
- Daylight saving time
- Not observed — no clock change
- Most recent clock change
- None on record in recent years
- Next clock change
- None scheduled — clocks stay as they are
- When it is 12:00 UTC
- 9:00 PM in January · 9:00 PM in July
Clock changes in Jeju, 2026–2028
Full record for Jeju → ten years back and ten forward, with each year's DST window.
No clock change. Jeju stays on UTC+9 (KST) through 2028 under the rules currently published in the IANA time zone database. Governments do sometimes change these rules, so this page is regenerated from the latest database on every build.
Sun and moon in Jeju
Computed for 33.4996°, 126.5312° on August 2, 2026.
Sunrise
5:46 AM
Sunset
7:33 PM
Day length
13h 47m
−1m 32s vs yesterday
Solar noon
12:40 PM
Sun at its highest
| Phase | Morning | Evening | Sun's altitude |
|---|---|---|---|
| Astronomical twilight | 4:12 AM | 9:08 PM | −18° to −12° |
| Nautical twilight | 4:47 AM | 8:33 PM | −12° to −6° |
| Civil twilight | 5:19 AM | 8:00 PM | −6° to −0.833° |
| Sunrise / sunset | 5:46 AM | 7:33 PM | −0.833° (upper limb at the horizon) |
Across 2026, daylight in Jeju runs from about 9h 56m at the shortest day to 14h 23m at the longest.
Moon
Waning gibbous
80% illuminated · 19.1 days into the cycle · waning
- Moonrise
- 9:29 PM
- Moonset
- 9:00 AM
- Next full moon
- Aug 28, 1:19 PM
- Next new moon
- Aug 13, 2:38 AM
Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.
Weather in Jeju
Loading current weather for Jeju.
Current weather for Jeju is unavailable right now. Everything else on this page — local time, time zone rules, sunrise and sunset — is computed locally and unaffected.
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Feels like
- Today's high / low
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- Humidity
- —
- Wind
- —
- Tomorrow
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Measured · source Open-Meteo · cached for 30 minutes
Time difference between Jeju and other cities
Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.
| City | Local time | Difference | Across the year |
|---|---|---|---|
| New York United States | 7:29 AM | −13h | Varies: −13h / −14h |
| Sao Paulo Brazil | 8:29 AM | −12h | Fixed all year |
| London United Kingdom | 12:29 PM | −8h | Varies: −8h / −9h |
| Tel Aviv Israel | 2:29 PM | −6h | Varies: −6h / −7h |
| Cairo Egypt | 2:29 PM | −6h | Varies: −6h / −7h |
| Mumbai India | 4:59 PM | −3:30h | Fixed all year |
| Sydney Australia | 9:29 PM | +1h | Varies: +2h / +1h |
| Los Angeles United States | 4:29 AM | −16h | Varies: −16h / −17h |
Jeju at a glance
- Country
- South Korea
- Region
- Asia
- Coordinates
- 33.4996° N, 126.5312° E
- IANA time zone
- Asia/Seoul
- Currency
- KRW
- Language
- Korean
- Usual clock notation
- 12-hour
- Also written
- 제주
Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .
Häufige Fragen
What time is it in Jeju right now?
The clock at the top of this page shows the current local time in Jeju, South Korea, updated every second from your device's clock and converted with the Asia/Seoul time zone rules. Jeju currently runs at UTC+9 (KST) all year round.
What time zone is Jeju in?
The IANA identifier for Jeju is Asia/Seoul. Its abbreviation is KST all year.
What is the UTC offset in Jeju?
Jeju stays at UTC+9 throughout the year. Its clocks never move, so the offset shown here is the offset on every date.
Does Jeju observe daylight saving time?
No. Jeju does not use daylight saving time — there is no clock change in 2026, so UTC+9 applies on every date. Differences with cities that do change their clocks still move twice a year, because the other city shifts.
What is the time difference between Jeju and New York?
For most of 2026, New York is 13 hours behind Jeju. Because the two places change their clocks on different dates, the gap is 14 hours (New York behind Jeju) from January 1 – March 8 and November 1 – January 1.
What is the time difference between Jeju and Sao Paulo?
The gap is fixed: Sao Paulo is 12 hours behind Jeju on every date of the year.
What is the time difference between Jeju and London?
For most of 2026, London is 8 hours behind Jeju. Because the two places change their clocks on different dates, the gap is 9 hours (London behind Jeju) from January 1 – March 29 and October 25 – January 1.
How long is the day in Jeju?
Day length in Jeju ranges from about 9h 56m at the shortest day of 2026 to about 14h 23m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 33.50°, longitude 126.53°.