Busan runs on UTC+9 (KST) every day of the year, with no daylight saving time.
Busan and your time
Busan at a glance
| Country | South Korea |
|---|---|
| Region | Busan |
| Time zone | Asia/Seoul |
| Abbreviation now | KST |
| UTC offset now | UTC+9 |
| Daylight saving time | Not observed since 1988 |
| Coordinates | 35.10° N, 129.03° E |
Time zone in Busan
Local time in Busan is UTC+9 year round, under the Asia/Seoul rules. Daylight saving time was used in the past, most recently in 1988, and no future change is scheduled.
Busan is on the same time as the rest of South Korea, including the capital, Seoul.
Clock changes in Busan, 2026 and 2027
No clock changes are scheduled in Busan for 2026 or 2027.
How far ahead or behind Busan is
A 9:00 AM start in Busan 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 Busan 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 Busan
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
The earliest sunrise in Busan is at 5:09 AM on June 13, and the latest sunset at 7:42 PM on June 29.
Daylight through the year in Busan
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 6:28 AM | 6:35 PM | 12 h 7 min |
| June solstice | June 21 | 5:10 AM | 7:41 PM | 14 h 31 min |
| September equinox | September 23 | 6:12 AM | 6:20 PM | 12 h 8 min |
| December solstice | December 22 | 7:28 AM | 5:16 PM | 9 h 48 min |
When the sun is highest in Busan
Busan 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.
Places close to Busan
Every city below shares Busan’s clock.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Gimhae | 20 km (12 mi) | --:-- | Same time |
| Gijang | 23 km (14 mi) | --:-- | Same time |
| Yangsan | 27 km (17 mi) | --:-- | Same time |
| Changwon | 35 km (22 mi) | --:-- | Same time |
| Geoje | 44 km (27 mi) | --:-- | Same time |
| Ulsan | 55 km (34 mi) | --:-- | Same time |
| Gyeongju | 84 km (52 mi) | --:-- | Same time |
| Jinju | 87 km (54 mi) | --:-- | Same time |
More cities in South Korea
All time zones and cities in South Korea
Plan around the time in Busan
- Convert a time to or from Busan: pick a date and time and see it in every city on your list.
- Add Busan to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Busan and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Busan in?
Busan uses the Asia/Seoul time zone, which is UTC+9 (KST) all year.
Does Busan use daylight saving time?
Not any more. Busan last changed its clocks for daylight saving time in 1988 and now stays on UTC+9 all year.
What is the time difference between Busan and New York?
Busan 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 Busan does not.
Is Busan on the same time as Seoul?
Yes. Busan and Seoul both use UTC+9 right now.
How long is the longest day in Busan?
About 14 hours 31 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 48 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.