Seoul is usually 16 hours ahead of Los Angeles. Los Angeles observes daylight saving time and Seoul does not, so the difference shifts by an hour around the changeovers.

SeoulLos Angeles

Sunrise 5:28 AMSunset 7:50 PM(local)

Sunrise 5:58 AMSunset 8:02 PM(local)

Los Angeles: daylight saving timeNow UTC-7 PDT. Next change: November 1, 2026 β€” clocks go back 1 hour.
SeoulUTC+9
Los AngelesUTC-7PDT

πŸ‡°πŸ‡· Seoul

Dialing code+82
Population10,349,312
Coordinates37.57Β°N, 126.98Β°E
Elevation38 m

πŸ‡ΊπŸ‡Έ Los Angeles

Dialing code+1
Population3,820,914
Coordinates34.05Β°N, 118.24Β°W
Elevation89 m

Best time for a call: 09:00–10:00 in SeoulAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Seoul and Los Angeles?
Seoul is 16 hours ahead of Los Angeles. 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 Los Angeles?
The best window to call is 09:00–10:00 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 Los Angeles change?
Because at least one of Seoul and Los Angeles observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).