South Korea · KST
Tue, 15 Sept 2026
Timezone Guide
Ulsan, 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 Ulsan 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 Ulsan 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 Ulsan lines up with 09:00–10:00 in London. Ulsan 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 Ulsan 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 Ulsan.
Practical Info
Ulsan (South Korea) is home to roughly 1.1M 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 36° north of the equator. Traffic drives on the right.
Flag
South Korea
Capital
Seoul
Continent
Asia
Time Zone
KST · Asia/Seoul
Coordinates
35.54°N, 129.31°E
Currency
KRW (₩)
Calling Code
+82
Driving Side
Right
Hemisphere
Northern
Language
Korean
Measurement System
Metric
Did You Know?
Hyundai Heavy Industries' Ulsan yard covers roughly 7 square kilometres with nine drydocks and is generally reckoned the largest shipbuilding facility on Earth. The city also holds Hyundai's biggest car plant.
The clock: Ulsan keeps UTC+9. Its Bangudae petroglyphs, carved around 5,000 BC, include the oldest known depictions of whaling anywhere.
Annual Daylight
Working Hours
3h overlap