South Korea · KST
Tue, 15 Sept 2026
Timezone Guide
Busan, South Korea runs on UTC+9. This time zone stays fixed year-round at UTC+9 — daylight saving time is not observed. There is a 13-hour difference between Busan and New York. Standard working hours don't overlap at all with New York, so meetings need an early or late slot on one side. There is a 8-hour difference between Busan and London. Standard 9-to-6 working hours overlap for about 1 hours a day with London. A good time to connect: 17:00–18:00 in Busan lines up with 09:00–10:00 in London. Busan and Tokyo currently share the same clock. Standard 9-to-6 working hours overlap for about 9 hours a day with Tokyo. A good time to connect: 09:00–18:00 in Busan lines up with 09:00–18:00 in Tokyo. This timezone is also shared with cities such as Seoul, Pyongyang, Osaka. Keeping these offsets in mind makes it easier to schedule calls or travel to and from Busan.
Practical Info
Busan (South Korea) is home to roughly 3.4M people. Today brings about 14.6 hours of daylight: sunrise at 05:06, sunset at 19:42. This time zone stays fixed year-round at UTC+9 — daylight saving time is not observed. It sits in the Northern Hemisphere, about 35° north of the equator. Traffic drives on the right.
Flag
South Korea
Capital
Seoul
Continent
Asia
Time Zone
KST · Asia/Seoul
Coordinates
35.18°N, 129.08°E
Currency
KRW (₩)
Calling Code
+82
Driving Side
Right
Hemisphere
Northern
Language
Korean
Measurement System
Metric
Did You Know?
The UN Memorial Cemetery in Busan is the only United Nations cemetery in the world, holding the graves of soldiers from eleven countries who died in the Korean War. Every 11 November at 11:00 Busan time, participating nations observe a simultaneous minute of silence toward it.
The clock: Busan keeps UTC+9. South Korea briefly used UTC+8:30 in the 1950s and again considered returning to it in 2015.
Annual Daylight
Working Hours
3h overlap