Time Difference Between Seoul and Los Angeles
As of 31 August 2026, Los Angeles is 16 hours behind Seoul. That number is not constant. Over the course of a year, because of daylight saving changes, Los Angeles, United States ranges from 17 hours behind to 16 hours behind relative to Seoul, South Korea. The calculator below is always up to date.
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Seoul, South Korea
07:34
Tue, Sep 1, 2026
UTC+9 · Asia/Seoul
Los Angeles, United States
-16h15:34
Mon, Aug 31, 2026
UTC-7 · PDT · America/Los_Angeles
Los Angeles is 16 hours behind Seoul.
When it is 07:34 in Seoul, it is already the previous day in Los Angeles.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Seoul | Tuesday, September 1, 2026 | Asia/Seoul | UTC+9 | Not observed |
| Los Angeles | Monday, August 31, 2026 | PDTAmerica/Los_Angeles | UTC-7 | Active now |
Hour by hour: Seoul to Los Angeles
Every hour of today in Seoul and what it is in Los Angeles. Highlighted rows fall inside Los Angeles working hours (09:00–18:00).
| Seoul | Los Angeles |
|---|---|
| 00:00 | 08:00prev day |
| 01:00 | 09:00prev day |
| 02:00 | 10:00prev day |
| 03:00 | 11:00prev day |
| 04:00 | 12:00prev day |
| 05:00 | 13:00prev day |
| 06:00 | 14:00prev day |
| 07:00 | 15:00prev day |
| 08:00 | 16:00prev day |
| 09:00 | 17:00prev day |
| 10:00 | 18:00prev day |
| 11:00 | 19:00prev day |
| Seoul | Los Angeles |
|---|---|
| 12:00 | 20:00prev day |
| 13:00 | 21:00prev day |
| 14:00 | 22:00prev day |
| 15:00 | 23:00prev day |
| 16:00 | 00:00 |
| 17:00 | 01:00 |
| 18:00 | 02:00 |
| 19:00 | 03:00 |
| 20:00 | 04:00 |
| 21:00 | 05:00 |
| 22:00 | 06:00 |
| 23:00 | 07:00 |
Best time to call or meet
Overlapping working hours
09:00–10:00 in Seoul (17:00–18:00 in Los Angeles)
Both places are inside 09:00–18:00 for 1 hour a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–13:00 in Seoul (16:00–21:00 in Los Angeles)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Los Angeles puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-7 to UTC-8. After that date, Los Angeles is 17 hours behind Seoul — instead of 16 hours behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Seoul and Los Angeles: common questions
What is the time difference between Seoul and Los Angeles?
As of 31 August 2026, Los Angeles is 16 hours behind Seoul. The gap is not fixed: across the year, Los Angeles ranges from 17 hours behind to 16 hours behind relative to Seoul, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Seoul, what time is it in Los Angeles?
It is 05:00 PM in Los Angeles, United States. Use the time field in the calculator above to check any other hour.
Is Los Angeles ahead of or behind Seoul?
Los Angeles is behind Seoul by 16 hours at the moment. In practical terms, the working day in Los Angeles starts and ends later in Seoul terms.
Do Seoul and Los Angeles observe daylight saving time?
Los Angeles changes its clocks twice a year; Seoul does not. The difference therefore shifts by an hour when Los Angeles switches: across the year, Los Angeles ranges from 17 hours behind to 16 hours behind relative to Seoul.
What is the best time to call Los Angeles from Seoul?
Working hours overlap between 09:00 and 10:00 Seoul time, which is 17:00 to 18:00 in Los Angeles. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Seoul, South Korea (UTC+9) and Los Angeles, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.