Gwangju keeps UTC+9 (KST) all year. There is no daylight saving time, so the clock never changes.
Gwangju and your time
Gwangju at a glance
| Country | South Korea |
|---|---|
| Region | Gwangju |
| Time zone | Asia/Seoul |
| Abbreviation now | KST |
| UTC offset now | UTC+9 |
| Daylight saving time | Not observed since 1988 |
| Coordinates | 35.15° N, 126.92° E |
Gwangju time zone and clock changes
Gwangju follows the Asia/Seoul time zone and stays on UTC+9 all year. Clocks here last changed for daylight saving time in 1988; the tz database lists no change after that.
Gwangju is on the same time as the rest of South Korea, including the capital, Seoul.
Clock changes in Gwangju, 2026 and 2027
No clock changes are scheduled in Gwangju for 2026 or 2027.
Time difference between Gwangju and other cities
A 9:00 AM start in Gwangju is 7:00 PM (previous day) in New York, 11:00 AM in Sydney and 4:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 14 h behind | 14 h behind | 13 h behind | None |
| Los Angeles (United States) | --:-- | 17 h behind | 17 h behind | 16 h behind | None |
| London (United Kingdom) | --:-- | 9 h behind | 9 h behind | 8 h behind | None |
| Paris (France) | --:-- | 8 h behind | 8 h behind | 7 h behind | None |
| Dubai (United Arab Emirates) | --:-- | 5 h behind | 5 h behind | 5 h behind | 3 h |
| Mumbai (India) | --:-- | 3 h 30 min behind | 3 h 30 min behind | 3 h 30 min behind | 4 h 30 min |
| Singapore | --:-- | 1 h behind | 1 h behind | 1 h behind | 7 h |
| Tokyo (Japan) | --:-- | Same time | Same time | Same time | 8 h |
| Sydney (Australia) | --:-- | 2 h ahead | 2 h ahead | 1 h ahead | 6 h |
| UTC | --:-- | 9 h behind | 9 h behind | 9 h behind | None |
Because Gwangju keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise, sunset and day length in Gwangju
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Over the year, daylight in Gwangju grows from 9 hours 47 minutes to 14 hours 32 minutes and back, a swing of 4 hours 45 minutes.
Daylight through the year in Gwangju
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:37 AM | 6:44 PM | 12 h 7 min |
| June solstice | June 21 | 5:18 AM | 7:50 PM | 14 h 32 min |
| September equinox | September 23 | 6:21 AM | 6:28 PM | 12 h 8 min |
| December solstice | December 22 | 7:37 AM | 5:24 PM | 9 h 47 min |
When the sun is highest in Gwangju
Clock time and sun time line up fairly well in Gwangju: solar noon falls at about 12:30 PM on standard time.
Places close to Gwangju
Every city below shares Gwangju’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Jeongeup | 50 km (31 mi) | --:-- | Same time |
| Suncheon | 57 km (35 mi) | --:-- | Same time |
| Mokpo | 61 km (38 mi) | --:-- | Same time |
| Kwangyang | 75 km (47 mi) | --:-- | Same time |
| Jeonju | 77 km (48 mi) | --:-- | Same time |
| Yeosu | 81 km (50 mi) | --:-- | Same time |
| Iksan | 88 km (55 mi) | --:-- | Same time |
| Gunsan | 93 km (58 mi) | --:-- | Same time |
More cities in South Korea
All time zones and cities in South Korea
Plan around the time in Gwangju
- Convert a time to or from Gwangju: pick a date and time and see it in every city on your list.
- Add Gwangju to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Gwangju and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Gwangju in?
Gwangju uses the Asia/Seoul time zone, which is UTC+9 (KST) all year.
Does Gwangju use daylight saving time?
Not any more. Gwangju last changed its clocks for daylight saving time in 1988 and now stays on UTC+9 all year.
What is the time difference between Gwangju and New York?
Gwangju is 14 hours ahead of New York in January and 13 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Gwangju does not.
Is Gwangju on the same time as Seoul?
Yes. Gwangju and Seoul both use UTC+9 right now.
How long is the longest day in Gwangju?
About 14 hours 32 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 47 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.