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Global ClockTime zone converter & meeting planner
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Seoul vs Los Angeles

Seoul keeps KST (UTC+9) and Los Angeles keeps PDT (UTC−7) today. Los Angeles is 16 hours behind Seoul; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 17:00–18:00 in Los Angeles (09:00–10:00 your time).

Seoul and Los Angeles hour by hour, with the working-hour overlap shaded
City00:00 in Seoul01:00 in Seoul02:00 in Seoul03:00 in Seoul04:00 in Seoul05:00 in Seoul06:00 in Seoul07:00 in Seoul08:00 in Seoul09:00 in Seoul10:00 in Seoul11:00 in Seoul12:00 in Seoul13:00 in Seoul14:00 in Seoul15:00 in Seoul16:00 in Seoul17:00 in Seoul18:00 in Seoul19:00 in Seoul20:00 in Seoul21:00 in Seoul22:00 in Seoul23:00 in Seoul
Seoul——000102030405060708091011121314151617181920212223
Los Angeles——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Seoul and Los Angeles

Best hours to call

09:00 in Seoul
Inside working hours on both sides
17:00 in Los Angeles

Where daylight saving pulls them apart

Los Angeles next changes on Sunday 1 November 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.

Also useful

Common questions

How many hours ahead is Los Angeles of Seoul?

Los Angeles is 16 hours behind Seoul right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Seoul and Los Angeles?

Any hour in 09:00–10:00 Seoul time is inside working hours in both cities.

Do Seoul and Los Angeles change clocks on the same date?

Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.