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Time difference between Los Angeles and Seoul

Seoul is 16 hours ahead of Los Angeles. When it's 9:00 in Los Angeles, it's 01:00 (next day) in Seoul.

Seoul is 16 hours ahead of Los Angeles.

On Tuesday, 6 October 2026, 09:00 in Los Angeles is 01:00 (next day) in Seoul. Los Angeles is UTC−7; Seoul is UTC+9.

The gap through 2026

  1. 1 Jan – 8 MarSeoul is 17 hours ahead of Los Angeles.
  2. 8 Mar – 1 NovSeoul is 16 hours ahead of Los Angeles.
  3. 1 Nov – 31 DecSeoul is 17 hours ahead of Los Angeles.
  • Los Angeles moves its clocks forward on 8 March (UTC−8 → UTC−7).
  • Los Angeles moves its clocks back on 1 November (UTC−7 → UTC−8).

Los Angeles to Seoul, hour by hour

On Tuesday 6 October.

Los AngelesSeoul
07:00 Early morning23:00 Sleeping hours
08:00 Early morning00:00+1 Sleeping hours
09:00 Working hours01:00+1 Sleeping hours
10:00 Working hours02:00+1 Sleeping hours
11:00 Working hours03:00+1 Sleeping hours
12:00 Working hours04:00+1 Sleeping hours
13:00 Working hours05:00+1 Sleeping hours
14:00 Working hours06:00+1 Sleeping hours
15:00 Working hours07:00+1 Early morning
16:00 Working hours08:00+1 Early morning
17:00 Evening09:00+1 Working hours
18:00 Evening10:00+1 Working hours
19:00 Evening11:00+1 Working hours
20:00 Evening12:00+1 Working hours
21:00 Evening13:00+1 Working hours
22:00 Sleeping hours14:00+1 Working hours

Daylight saving in 2026

  • Los Angeles moves its clocks forward on Sunday 8 March (UTC−8 → UTC−7).
  • Los Angeles moves its clocks back on Sunday 1 November (UTC−7 → UTC−8).
  1. 1 Jan – 8 MarSeoul is 17 hours ahead of Los Angeles.
  2. 8 Mar – 1 NovSeoul is 16 hours ahead of Los Angeles.
  3. 1 Nov – 31 DecSeoul is 17 hours ahead of Los Angeles.

Best times for a call

Working hours (09:00–17:00) in Los Angeles and Seoul don't overlap, so any call is early or late for someone.

  • Los Angeles 15:00Working hoursSeoul 07:00 +1Early morning
  • Los Angeles 16:00Working hoursSeoul 08:00 +1Early morning
  • Los Angeles 17:00EveningSeoul 09:00 +1Working hours

More time differences for Los Angeles and Seoul

How the time difference calculator works

The difference is each city's offset from UTC on the date you pick, subtracted. Offsets come from the IANA time zone database in your browser.

Because countries change their clocks on different dates — or not at all — the gap between two cities can change for a few weeks a year. The calculator lists every change in the year.

Examples

  • London is 5 hours ahead of New York for most of the year, but only 4 hours ahead for about three weeks in March and one week in late October.
  • Dubai doesn't change its clocks, so its gap to London is 4 hours in winter and 3 hours in summer.

Good for

  • Knowing when a colleague's day starts
  • Setting expectations for replies across time zones
  • Planning travel and jet lag

Frequently asked questions

What time is it in Seoul when it's 9 AM in Los Angeles?
1:00 AM (next day) — as of 6 October 2026. Seoul is 16 hours ahead of Los Angeles.
Does the time difference between Los Angeles and Seoul change?
Yes. In 2026 it's 17 hours or 16 hours, depending on the date, because only Los Angeles changes its clocks.
What's the best time for a call between Los Angeles and Seoul?
There's no hour when both cities are in working hours (09:00–17:00). The fairest is around 15:00 in Los Angeles (07:00 in Seoul).
What time zones are Los Angeles and Seoul in?
Los Angeles uses America/Los_Angeles (UTC−7 today); Seoul uses Asia/Seoul (UTC+9 today).

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