All of South Korea keeps one time, UTC+9, all year round.
South Korea at a glance
| Capital | Seoul |
|---|---|
| UTC offsets | UTC+9 |
| IANA time zones | 1 |
| Daylight saving time | Not observed since 1988 |
| Abbreviations in use | KST |
Which time zone South Korea uses
The whole of South Korea follows one IANA time zone: Asia/Seoul.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| Asia/Seoul | --:-- | UTC+9 | Not observed | Seoul, Busan, Incheon |
Clock changes in South Korea
Clocks in South Korea last changed for daylight saving time in 1988. Since then the offset has stayed the same all year.
Current time in cities in South Korea
| City | Region | Time now | Time zone |
|---|---|---|---|
| Seoul | Seoul | --:-- | Asia/Seoul |
| Busan | Busan | --:-- | Asia/Seoul |
| Incheon | Incheon | --:-- | Asia/Seoul |
| Daegu | Daegu | --:-- | Asia/Seoul |
| Daejeon | Daejeon | --:-- | Asia/Seoul |
| Gwangju | Gwangju | --:-- | Asia/Seoul |
| Suwon | Gyeonggi-do | --:-- | Asia/Seoul |
| Ulsan | Ulsan | --:-- | Asia/Seoul |
| Goyang | Gyeonggi-do | --:-- | Asia/Seoul |
| Changwon | Gyeongsangnam-do | --:-- | Asia/Seoul |
| Seongnam | Gyeonggi-do | --:-- | Asia/Seoul |
| Cheongju | North Chungcheong | --:-- | Asia/Seoul |
| Cheonan | Chungcheongnam-do | --:-- | Asia/Seoul |
| Hwaseong | Gyeonggi-do | --:-- | Asia/Seoul |
| Jeonju | Jeollabuk-do | --:-- | Asia/Seoul |
| Ansan | Gyeonggi-do | --:-- | Asia/Seoul |
| Anyang | Gyeonggi-do | --:-- | Asia/Seoul |
| Gimhae | Gyeongsangnam-do | --:-- | Asia/Seoul |
| Pohang | Gyeongsangbuk-do | --:-- | Asia/Seoul |
| Jeju City | Jeju-do | --:-- | Asia/Seoul |
| Uijeongbu | Gyeonggi-do | --:-- | Asia/Seoul |
Time difference between South Korea and other countries
A 9:00 AM start in South Korea 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 |
|---|---|---|---|---|
| New York (United States) | --:-- | 14 h behind | 14 h behind | 13 h behind |
| Los Angeles (United States) | --:-- | 17 h behind | 17 h behind | 16 h behind |
| London (United Kingdom) | --:-- | 9 h behind | 9 h behind | 8 h behind |
| Paris (France) | --:-- | 8 h behind | 8 h behind | 7 h behind |
| Dubai (United Arab Emirates) | --:-- | 5 h behind | 5 h behind | 5 h behind |
| Mumbai (India) | --:-- | 3 h 30 min behind | 3 h 30 min behind | 3 h 30 min behind |
| Singapore | --:-- | 1 h behind | 1 h behind | 1 h behind |
| Tokyo (Japan) | --:-- | Same time | Same time | Same time |
| Sydney (Australia) | --:-- | 2 h ahead | 2 h ahead | 1 h ahead |
| UTC | --:-- | 9 h behind | 9 h behind | 9 h behind |
Daylight across South Korea
In Seoul, daylight runs from 9 hours 34 minutes at the December solstice to 14 hours 46 minutes at the June solstice.
Countries on the same time as South Korea
These countries read the same time as South Korea today. Those marked with daylight saving time will drift away when their clocks change.
Tools for time in South Korea
- Convert a time to or from South Korea: pick a date and time and see it in every city on your list.
- Add Seoul to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in South Korea and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does South Korea have?
One: Asia/Seoul, at UTC+9 all year.
Does South Korea use daylight saving time?
Not any more. Clocks last changed for daylight saving time in 1988.
What is the time difference between South Korea and New York?
South Korea 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 South Korea does not.
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.