South Korea · KST
Tue, 15 Sept 2026
Timezone Guide
Daejeon, 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 Daejeon 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 Daejeon 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 Daejeon lines up with 09:00–10:00 in London. Daejeon 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 Daejeon 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 Daejeon.
Practical Info
Daejeon (South Korea) is home to roughly 1.5M people. Today brings about 14.7 hours of daylight: sunrise at 05:12, sunset at 19:54. 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
36.35°N, 127.38°E
Currency
KRW (₩)
Calling Code
+82
Driving Side
Right
Hemisphere
Northern
Language
Korean
Measurement System
Metric
Did You Know?
Daedeok Innopolis holds around 30 government research institutes and dozens of corporate labs, concentrated deliberately from the 1970s. Korea's space programme, its standards institute and its atomic energy research all sit within a few kilometres.
The clock: Korea's official time is generated here, at KRISS in Daejeon — so the country's clock is set by a building in this city.
Annual Daylight
Working Hours
3h overlap