Time Difference Between Seoul and Los Angeles

The time difference between Seoul and Los Angeles is 17 hours. When it is 12:00 noon in Seoul, it is 19:00 in Los Angeles. Seoul uses the Asia/Seoul time zone (UTC+9), while Los Angeles uses America/Los_Angeles (UTC-8).

Los Angeles is 17 hours behind Seoul — 17 hours
Seoul, South Korea
01:01:09
Sunday, November 8, 2026
UTC+9 · KST
↔
Los Angeles, United States
08:01:09
Saturday, November 7, 2026
UTC-8 · PST

Time Zone Details: Seoul vs Los Angeles

Detail Seoul Los Angeles
Time Zone IDAsia/SeoulAmerica/Los_Angeles
UTC OffsetUTC+9UTC-8
AbbreviationKSTPST
DST ActiveNoNo
CountrySouth KoreaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 17 hours gap, there is no standard business-hours overlap between Seoul and Los Angeles. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Los Angeles tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Seoul time to Los Angeles time. Rows highlighted in green indicate overlapping business hours in both cities.

Seoul Los Angeles
00:00 07:00 (-1 day) Night
01:00 08:00 (-1 day) Night
02:00 09:00 (-1 day) Night
03:00 10:00 (-1 day) Night
04:00 11:00 (-1 day) Night
05:00 12:00 (-1 day) Night
06:00 13:00 (-1 day)
07:00 14:00 (-1 day)
08:00 15:00 (-1 day)
09:00 16:00 (-1 day) Overlap
10:00 17:00 (-1 day)
11:00 18:00 (-1 day)
12:00 19:00 (-1 day)
13:00 20:00 (-1 day)
14:00 21:00 (-1 day)
15:00 22:00 (-1 day)
16:00 23:00 (-1 day)
17:00 00:00
18:00 01:00
19:00 02:00
20:00 03:00
21:00 04:00
22:00 05:00 Night
23:00 06:00 Night

Daylight Saving Time (DST) Impact

Neither Seoul nor Los Angeles is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Seoul–Los Angeles Scheduling

Compare Seoul and Los Angeles with Other Cities

From Seoul

From Los Angeles

Frequently Asked Questions

What is the time difference between Seoul and Los Angeles?

The time difference is 17 hours. Los Angeles is 17 hours behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Los Angeles observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Seoul to Los Angeles?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Seoul time to Los Angeles time?

Subtract 17 hours from Seoul time to get Los Angeles time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.