Los Angeles to Seoul Time Difference
Seoul is 16 hours ahead of Los Angeles. When it's 05:56:00 AM in Los Angeles, it's 09:56:00 PM in Seoul.
How Many Hours Ahead Is Seoul From Los Angeles?
Seoul is 16 hours ahead of Los Angeles. So Los Angeles is 16 hours behind Seoul looking the other way — the same gap, described from the other end.
In practice that means a working day in Los Angeles starts when it is already 1:00 AM the next day in Seoul. The gap is not fixed all year: it becomes 17 hours on Sunday, November 1, 2026, when Los Angeles changes its clocks.
Best Time to Call Los Angeles and Seoul
Standard 9-to-5 hours in Los Angeles and Seoul never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM in Los Angeles, which is 7:00 AM to 2:00 PM in Seoul.
both at work Los Angeles only Seoul only neither — hours shown along the strip are Los Angeles local time.
Convert a Specific Time
Pick any date and time in Los Angeles to see the exact equivalent in Seoul.
Common Times Converted
Los Angeles time on the left, Seoul time on the right.
Los Angeles to Seoul: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Los Angeles. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Los Angeles | Seoul | Working hours |
|---|---|---|
| 12:00 AM | 4:00 PM | Seoul only |
| 1:00 AM | 5:00 PM | — |
| 2:00 AM | 6:00 PM | — |
| 3:00 AM | 7:00 PM | — |
| 4:00 AM | 8:00 PM | — |
| 5:00 AM | 9:00 PM | — |
| 6:00 AM | 10:00 PM | — |
| 7:00 AM | 11:00 PM | — |
| 8:00 AM | 12:00 AM next day | — |
| 9:00 AM | 1:00 AM next day | Los Angeles only |
| 10:00 AM | 2:00 AM next day | Los Angeles only |
| 11:00 AM | 3:00 AM next day | Los Angeles only |
| 12:00 PM | 4:00 AM next day | Los Angeles only |
| 1:00 PM | 5:00 AM next day | Los Angeles only |
| 2:00 PM | 6:00 AM next day | Los Angeles only |
| 3:00 PM | 7:00 AM next day | Los Angeles only |
| 4:00 PM | 8:00 AM next day | Los Angeles only |
| 5:00 PM | 9:00 AM next day | Seoul only |
| 6:00 PM | 10:00 AM next day | Seoul only |
| 7:00 PM | 11:00 AM next day | Seoul only |
| 8:00 PM | 12:00 PM next day | Seoul only |
| 9:00 PM | 1:00 PM next day | Seoul only |
| 10:00 PM | 2:00 PM next day | Seoul only |
| 11:00 PM | 3:00 PM next day | Seoul only |
Understanding the Los Angeles – Seoul Time Difference
Los Angeles runs on America/Los_Angeles, currently PDT (UTC-7:00). Seoul runs on Asia/Seoul, currently KST (UTC+9:00). The gap of 16 hours is simply the distance between those two offsets.
Los Angeles observes Daylight Saving Time and Seoul does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when Los Angeles adjusts its clocks and the difference becomes 17 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
Los Angeles today
Seoul today
Frequently Asked Questions
What is the time difference between Los Angeles and Seoul?
Seoul is currently 16 hours ahead of Los Angeles. That gap becomes 17 hours on Sunday, November 1, 2026, when Los Angeles changes its clocks.
How many hours ahead is Seoul from Los Angeles?
Seoul is 16 hours ahead of Los Angeles. Looking at it the other way, Los Angeles is 16 hours behind Seoul.
What time is it in Seoul when it is 9:00 AM in Los Angeles?
When it is 9:00 AM in Los Angeles, it is 1:00 AM the next day in Seoul.
Is Seoul ahead of or behind Los Angeles?
Seoul is 16 hours ahead of Los Angeles. Seoul reaches each point in the day first, so its working day is already finishing while Los Angeles is still getting started.
What is the best time to call between Los Angeles and Seoul?
Standard business hours in Los Angeles and Seoul do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM in Los Angeles, which is 7:00 AM to 2:00 PM in Seoul.
Does the time difference between Los Angeles and Seoul change during the year?
Yes. Los Angeles observes Daylight Saving Time and Seoul does not, so the gap between them shifts during the year. It changes to 17 hours on Sunday, November 1, 2026.
What time zones are Los Angeles and Seoul in?
Los Angeles uses the America/Los_Angeles time zone, currently PDT (UTC-7:00). Seoul uses Asia/Seoul, currently KST (UTC+9:00).