Seoul to Los Angeles Time Difference
Los Angeles is 16 hours behind Seoul. When it's 11:20:19 PM in Seoul, it's 07:20:19 AM in Los Angeles.
How Many Hours Behind Is Los Angeles From Seoul?
Los Angeles is 16 hours behind Seoul. So Seoul is 16 hours ahead of Los Angeles looking the other way — the same gap, described from the other end.
In practice that means a working day in Seoul starts when it is already 5:00 PM the previous day in Los Angeles. 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 Seoul and Los Angeles
Standard 9-to-5 hours in Seoul and Los Angeles never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 2:00 PM in Seoul, which is 3:00 PM to 10:00 PM in Los Angeles.
both at work Seoul only Los Angeles only neither — hours shown along the strip are Seoul local time.
Convert a Specific Time
Pick any date and time in Seoul to see the exact equivalent in Los Angeles.
Common Times Converted
Seoul time on the left, Los Angeles time on the right.
Seoul to Los Angeles: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Seoul. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Seoul | Los Angeles | Working hours |
|---|---|---|
| 12:00 AM | 8:00 AM prev day | — |
| 1:00 AM | 9:00 AM prev day | Los Angeles only |
| 2:00 AM | 10:00 AM prev day | Los Angeles only |
| 3:00 AM | 11:00 AM prev day | Los Angeles only |
| 4:00 AM | 12:00 PM prev day | Los Angeles only |
| 5:00 AM | 1:00 PM prev day | Los Angeles only |
| 6:00 AM | 2:00 PM prev day | Los Angeles only |
| 7:00 AM | 3:00 PM prev day | Los Angeles only |
| 8:00 AM | 4:00 PM prev day | Los Angeles only |
| 9:00 AM | 5:00 PM prev day | Seoul only |
| 10:00 AM | 6:00 PM prev day | Seoul only |
| 11:00 AM | 7:00 PM prev day | Seoul only |
| 12:00 PM | 8:00 PM prev day | Seoul only |
| 1:00 PM | 9:00 PM prev day | Seoul only |
| 2:00 PM | 10:00 PM prev day | Seoul only |
| 3:00 PM | 11:00 PM prev day | Seoul only |
| 4:00 PM | 12:00 AM | Seoul only |
| 5:00 PM | 1:00 AM | — |
| 6:00 PM | 2:00 AM | — |
| 7:00 PM | 3:00 AM | — |
| 8:00 PM | 4:00 AM | — |
| 9:00 PM | 5:00 AM | — |
| 10:00 PM | 6:00 AM | — |
| 11:00 PM | 7:00 AM | — |
Understanding the Seoul – Los Angeles Time Difference
Seoul runs on Asia/Seoul, currently KST (UTC+9:00). Los Angeles runs on America/Los_Angeles, currently PDT (UTC-7:00). 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.
Seoul today
Los Angeles today
Frequently Asked Questions
What is the time difference between Seoul and Los Angeles?
Los Angeles is currently 16 hours behind Seoul. That gap becomes 17 hours on Sunday, November 1, 2026, when Los Angeles changes its clocks.
How many hours behind is Los Angeles from Seoul?
Los Angeles is 16 hours behind Seoul. Looking at it the other way, Seoul is 16 hours ahead of Los Angeles.
What time is it in Los Angeles when it is 9:00 AM in Seoul?
When it is 9:00 AM in Seoul, it is 5:00 PM the previous day in Los Angeles.
Is Los Angeles ahead of or behind Seoul?
Los Angeles is 16 hours behind Seoul. Seoul reaches each point in the day first, so Los Angeles is still getting started while the Seoul working day is finishing.
What is the best time to call between Seoul and Los Angeles?
Standard business hours in Seoul and Los Angeles do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 2:00 PM in Seoul, which is 3:00 PM to 10:00 PM in Los Angeles.
Does the time difference between Seoul and Los Angeles 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 Seoul and Los Angeles in?
Seoul uses the Asia/Seoul time zone, currently KST (UTC+9:00). Los Angeles uses America/Los_Angeles, currently PDT (UTC-7:00).