Changwon keeps UTC+9 (KST) all year. There is no daylight saving time, so the clock never changes.
Changwon and your time
Changwon at a glance
| Country | South Korea |
|---|---|
| Region | Gyeongsangnam-do |
| Time zone | Asia/Seoul |
| Abbreviation now | KST |
| UTC offset now | UTC+9 |
| Daylight saving time | Not observed since 1988 |
| Coordinates | 35.23° N, 128.68° E |
Which time zone Changwon uses
Changwon 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.
Changwon is on the same time as the rest of South Korea, including the capital, Seoul.
Clock changes in Changwon, 2026 and 2027
No clock changes are scheduled in Changwon for 2026 or 2027.
How far ahead or behind Changwon is
Take 9:00 AM in Changwon: the clock reads 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 Changwon 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 counts the time when the clock reads between 9 AM and 5 PM in both cities on the same day.
Sunrise and sunset in Changwon
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Over the year, daylight in Changwon 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 Changwon
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:30 AM | 6:37 PM | 12 h 7 min |
| June solstice | June 21 | 5:11 AM | 7:43 PM | 14 h 32 min |
| September equinox | September 23 | 6:14 AM | 6:21 PM | 12 h 8 min |
| December solstice | December 22 | 7:30 AM | 5:17 PM | 9 h 47 min |
Clock time and sun time in Changwon
Changwon lies close to the centre of its time zone, so the sun is highest at about 12:25 PM on standard time, close to clock noon.
Cities near Changwon
All the places listed below keep the same time as Changwon.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Gimhae | 18 km (11 mi) | --:-- | Same time |
| Yangsan | 34 km (21 mi) | --:-- | Same time |
| Busan | 35 km (22 mi) | --:-- | Same time |
| Geoje | 46 km (29 mi) | --:-- | Same time |
| Gijang | 48 km (30 mi) | --:-- | Same time |
| Jinju | 54 km (34 mi) | --:-- | Same time |
| Ulsan | 67 km (42 mi) | --:-- | Same time |
| Daegu | 72 km (45 mi) | --:-- | Same time |
More cities in South Korea
All time zones and cities in South Korea
Tools for time in Changwon
- Convert a time to or from Changwon: pick a date and time and see it in every city on your list.
- Add Changwon to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Changwon and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Changwon in?
Changwon uses the Asia/Seoul time zone, which is UTC+9 (KST) all year.
Does Changwon use daylight saving time?
Not any more. Changwon last changed its clocks for daylight saving time in 1988 and now stays on UTC+9 all year.
What is the time difference between Changwon and New York?
Changwon 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 Changwon does not.
Is Changwon on the same time as Seoul?
Yes. Changwon and Seoul both use UTC+9 right now.
How long is the longest day in Changwon?
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.