Time Difference Between Los Angeles and Seoul
As of 31 August 2026, Seoul is 16 hours ahead of Los Angeles. That number is not constant. Over the course of a year, because of daylight saving changes, Seoul, South Korea ranges from 16 hours ahead to 17 hours ahead relative to Los Angeles, United States. The calculator below is always up to date.
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Los Angeles, United States
15:34
Mon, Aug 31, 2026
UTC-7 · PDT · America/Los_Angeles
Seoul, South Korea
+16h07:34
Tue, Sep 1, 2026
UTC+9 · Asia/Seoul
Seoul is 16 hours ahead of Los Angeles.
When it is 15:34 in Los Angeles, it is already the next day in Seoul.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Los Angeles | Monday, August 31, 2026 | PDTAmerica/Los_Angeles | UTC-7 | Active now |
| Seoul | Tuesday, September 1, 2026 | Asia/Seoul | UTC+9 | Not observed |
Hour by hour: Los Angeles to Seoul
Every hour of today in Los Angeles and what it is in Seoul. Highlighted rows fall inside Seoul working hours (09:00–18:00).
| Los Angeles | Seoul |
|---|---|
| 00:00 | 16:00 |
| 01:00 | 17:00 |
| 02:00 | 18:00 |
| 03:00 | 19:00 |
| 04:00 | 20:00 |
| 05:00 | 21:00 |
| 06:00 | 22:00 |
| 07:00 | 23:00 |
| 08:00 | 00:00next day |
| 09:00 | 01:00next day |
| 10:00 | 02:00next day |
| 11:00 | 03:00next day |
| Los Angeles | Seoul |
|---|---|
| 12:00 | 04:00next day |
| 13:00 | 05:00next day |
| 14:00 | 06:00next day |
| 15:00 | 07:00next day |
| 16:00 | 08:00next day |
| 17:00 | 09:00next day |
| 18:00 | 10:00next day |
| 19:00 | 11:00next day |
| 20:00 | 12:00next day |
| 21:00 | 13:00next day |
| 22:00 | 14:00next day |
| 23:00 | 15:00next day |
Best time to call or meet
Overlapping working hours
17:00–18:00 in Los Angeles (09:00–10:00 in Seoul)
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
16:00–21:00 in Los Angeles (08:00–13:00 in Seoul)
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, Seoul is 17 hours ahead of Los Angeles — instead of 16 hours ahead, 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.
Los Angeles and Seoul: common questions
What is the time difference between Los Angeles and Seoul?
As of 31 August 2026, Seoul is 16 hours ahead of Los Angeles. The gap is not fixed: across the year, Seoul ranges from 16 hours ahead to 17 hours ahead relative to Los Angeles, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Los Angeles, what time is it in Seoul?
It is 01:00 AM in Seoul, South Korea. Use the time field in the calculator above to check any other hour.
Is Seoul ahead of or behind Los Angeles?
Seoul is ahead of Los Angeles by 16 hours at the moment. In practical terms, the working day in Seoul starts and ends earlier in Los Angeles terms.
Do Los Angeles and Seoul 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, Seoul ranges from 16 hours ahead to 17 hours ahead relative to Los Angeles.
What is the best time to call Seoul from Los Angeles?
Working hours overlap between 17:00 and 18:00 Los Angeles time, which is 09:00 to 10:00 in Seoul. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Los Angeles, United States (UTC-7) and Seoul, South Korea (UTC+9) were generated on Monday, August 31, 2026 UTC and refresh in your browser.