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Time Difference: Los Angeles to Seoul

🇺🇸Los AngelesUTC-8
vs
🇰🇷SeoulUTC+9
🇺🇸
Los Angeles, US
Thu, Jun 4
🇰🇷
Seoul, South Korea
Fri, Jun 5

Click a time to convert

Time Difference
16 hours
Seoul is 16 hours ahead of Los Angeles

Los Angeles vs Seoul timezone guide

Los Angeles (US) uses the America/Los_Angeles timezone at UTC-8, while Seoul (South Korea) uses Asia/Seoul at UTC+9. This means Seoul is 17 hours ahead of Los Angeles (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Los Angeles and Seoul

Standard 9-to-5 working hours in Los Angeles and Seoul do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

Los AngelesSeoulStatus
6am10pmLos Angeles early, Seoul late evening
7am11pmLos Angeles early, Seoul late evening
8am12amLos Angeles early, Seoul asleep
9am1amLos Angeles working hours, Seoul asleep
10am2amLos Angeles working hours, Seoul asleep
11am3amLos Angeles working hours, Seoul asleep
12pm4amLos Angeles working hours, Seoul asleep
1pm5amLos Angeles working hours, Seoul asleep
2pm6amOne side outside 9-to-5 but still awake
3pm7amOne side outside 9-to-5 but still awake
4pm8amOne side outside 9-to-5 but still awake
5pm9amOne side outside 9-to-5 but still awake
6pm10amOne side outside 9-to-5 but still awake
7pm11amOne side outside 9-to-5 but still awake
8pm12pmOne side outside 9-to-5 but still awake
9pm1pmOne side outside 9-to-5 but still awake
10pm2pmLos Angeles late evening, Seoul working hours

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Los Angeles and Seoul

Los Angeles observes daylight saving time, but Seoul does not. That means the difference between the two cities changes seasonally — by one hour, around Los Angeles's transition dates.

  • Dec 31 Mar 8Los Angeles is 17 hours behind Seoul
  • Mar 8 Nov 1Los Angeles is 16 hours behind Seoul
  • Nov 1 Dec 31Los Angeles is 17 hours behind Seoul

Distance between Los Angeles and Seoul

Great-circle distance
9,586 km
Direct flight time
~12h 17m

Los Angeles and Seoul are 9,586 km apart along the great-circle route. A direct flight takes roughly ~12h 17m, depending on aircraft type, winds, and routing.

Frequently asked questions

What is the time difference between Los Angeles and Seoul?
The current time difference is 16 hours. Los Angeles is currently 16 hours behind Seoul.
Is Los Angeles ahead of Seoul?
No. Los Angeles is currently 16 hours behind Seoul.
What time is it in Seoul when it's 9 AM in Los Angeles?
When it's 9 AM in Los Angeles, it's 1am in Seoul.
When is the best time to schedule a meeting between Los Angeles and Seoul?
Standard 9-to-5 working hours in Los Angeles and Seoul do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Los Angeles and Seoul observe daylight saving time?
Los Angeles observes daylight saving time, but Seoul does not — the difference between the two cities changes by one hour around the DST transition dates.
How far apart are Los Angeles and Seoul?
Los Angeles and Seoul are 9,586 km apart along the great-circle route. A direct flight takes roughly 12 hours 17 minutes.