Suwon keeps UTC+9 (KST) all year. There is no daylight saving time, so the clock never changes.
Suwon and your time
Suwon at a glance
| Country | South Korea |
|---|---|
| Region | Gyeonggi-do |
| Time zone | Asia/Seoul |
| Abbreviation now | KST |
| UTC offset now | UTC+9 |
| Daylight saving time | Not observed since 1988 |
| Coordinates | 37.28° N, 127.03° E |
Suwon time zone and clock changes
Suwon 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.
All of South Korea keeps the same time, so Suwon reads the same clock as Seoul.
Clock changes in Suwon, 2026 and 2027
No clock changes are scheduled in Suwon for 2026 or 2027.
Suwon time compared with major cities
Take 9:00 AM in Suwon: 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 |
Suwon never changes its clocks, but many of these cities do. Where the January and July columns disagree, the gap shifts when the other city moves to or from daylight saving time.
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 and sunset in Suwon
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Over the year, daylight in Suwon grows from 9 hours 36 minutes to 14 hours 44 minutes and back, a swing of 5 hours 8 minutes.
Daylight through the year in Suwon
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:36 AM | 6:43 PM | 12 h 7 min |
| June solstice | June 21 | 5:12 AM | 7:56 PM | 14 h 44 min |
| September equinox | September 23 | 6:20 AM | 6:28 PM | 12 h 8 min |
| December solstice | December 22 | 7:42 AM | 5:18 PM | 9 h 36 min |
When the sun is highest in Suwon
Clock time and sun time line up fairly well in Suwon: solar noon falls at about 12:30 PM on standard time.
Cities near Suwon
Every city below shares Suwon’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Osan | 14 km (9 mi) | --:-- | Same time |
| Anyang | 16 km (10 mi) | --:-- | Same time |
| Ansan | 19 km (12 mi) | --:-- | Same time |
| Seongnam | 20 km (13 mi) | --:-- | Same time |
| Hwaseong | 21 km (13 mi) | --:-- | Same time |
| Pyeongtaek | 32 km (20 mi) | --:-- | Same time |
| Seoul | 32 km (20 mi) | --:-- | Same time |
| Hanam | 33 km (20 mi) | --:-- | Same time |
More cities in South Korea
All time zones and cities in South Korea
Plan around the time in Suwon
- Convert a time to or from Suwon: pick a date and time and see it in every city on your list.
- Add Suwon to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Suwon and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Suwon in?
Suwon uses the Asia/Seoul time zone, which is UTC+9 (KST) all year.
Does Suwon use daylight saving time?
Not any more. Suwon last changed its clocks for daylight saving time in 1988 and now stays on UTC+9 all year.
What is the time difference between Suwon and New York?
Suwon 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 Suwon does not.
Is Suwon on the same time as Seoul?
Yes. Suwon and Seoul both use UTC+9 right now.
How long is the longest day in Suwon?
About 14 hours 44 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 36 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.