Seoul and Busan keep the same time. Neither observes daylight saving time, so the difference stays the same all year.

Time comparison: Seoul and Busan

Sunrise 5:27 AMSunset 7:52 PM(local)

Sunrise 5:24 AMSunset 7:37 PM(local)

SeoulUTC+9

BusanUTC+9

🇰🇷 Seoul

Dialing code+82

Population10,349,312

Coordinates37.57°N, 126.98°E

Elevation38 m

🇰🇷 Busan

Dialing code+82

Population3,285,147

Coordinates35.10°N, 129.03°E

Elevation15 m

Best time for a call: 09:00–18:00 in SeoulAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Seoul and Busan?: Seoul and Busan are in the same time. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Seoul and Busan?: The best window to call is 09:00–18:00 Seoul time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Seoul and Busan change?: It doesn't — neither Seoul nor Busan observes daylight saving time, so the difference between them stays the same all year.