Seoul to Los Angeles: Business Hours Overlap

Clock in Seoul is 16 hours ahead

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Los Angeles

USA · -16h

17:00-1 day

London

United Kingdom · -8h

01:00

New York

USA · -13h

20:00-1 day

Tokyo

Japan · UTC±0

09:00

Dubai

United Arab Emirates · -5h

04:00

Best times to schedule a meeting

Seoul and Los Angeles have no shared working window. These slots minimize out-of-hours disruption for both sides.

08:00 Seoul / 16:00 Los Angeles⚡ One side off-hours

⚠️ 1h before working hours in Seoul

09:00 Seoul / 17:00 Los Angeles⚡ One side off-hours

⚠️ 1h after working hours in Los Angeles

07:00 Seoul / 15:00 Los Angeles⚡ One side off-hours

⚠️ 2h before working hours in Seoul

Working hours defined as 09:00–17:00 local time for each location.

How far apart are Seoul and Los Angeles?

Seoul is 16 hours ahead of Los Angeles. When Seoul clocks hit noon, Los Angeles reads 20:00.

Seoul runs on Asia/Seoul; Los Angeles runs on America/Los_Angeles. Together they are 16 hours apart.

Daily overlap window

There is no business hours overlap between Seoul and Los Angeles during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.

Holiday calendar for both locations

⚡ Both locations have upcoming holidays, check availability before scheduling.

Seoul7 holidays

Aug 15Liberation Day

Sep 24Chuseok

Sep 25Chuseok

Sep 26Chuseok

Oct 3National Foundation Day

Los Angeles7 holidays

Jul 3Independence DaySOON

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

Working across Seoul and Los Angeles

Coordinating between Seoul (South Korea) and Los Angeles (USA) means working around a 16-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.

💡 Best practice for cross-timezone meetings

⚡

A 08:00 meeting in Seoul means 16:00 in Los Angeles (1h before working hours in Seoul).

⚡

A 09:00 meeting in Seoul means 17:00 in Los Angeles (1h after working hours in Los Angeles).

⚡

A 07:00 meeting in Seoul means 15:00 in Los Angeles (2h before working hours in Seoul).

Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Seoul".

Quick time conversions: Seoul → Los Angeles

Common reference points to help you plan across the time difference.

When it's 4:00 PM in Seoul, the time in Los Angeles is 12:00 AM.

Seoul 7:00 PM — what's that in Los Angeles?—3:00 AM

10:00 AMin Seoul→6:00 PMin Los Angeles(-1 day)

When it's 11:00 AM in Seoul, the time in Los Angeles is 7:00 PM.(-1 day)

6:00 AMin Seoul→2:00 PMin Los Angeles(-1 day)

If it's 6:00 PM where I am in Seoul, what does Los Angeles show?—2:00 AM

Frequently Asked Questions

How many hours apart are Seoul and Los Angeles?

The offset is 16 hours — Seoul is ahead of Los Angeles. Timezones: Asia/Seoul and America/Los_Angeles.

How do teams in Seoul and Los Angeles coordinate across time zones?

There is no business hours overlap between Seoul and Los Angeles (09:00–17:00). One party will need to join outside normal hours.

Are there any upcoming DST changes for Seoul or Los Angeles?

No DST changes are expected in the next 7 days for either Seoul or Los Angeles. The 16 hours difference is stable.

What time does Los Angeles show when Seoul hits midday?

Noon in Seoul corresponds to 8:00 PM in Los Angeles.

How do I find out what time it is in Los Angeles from Seoul?

Type any time in the input bar (e.g. "9am", "14:30") or use the slider. All locations including Los Angeles update at the same time.

Does Seoul have holidays coming up that could affect scheduling?

Watch out for Liberation Day in Seoul on August 15 — offices may be closed or understaffed.

What timezone is Seoul in, and what timezone is Los Angeles in?

Seoul runs on Asia/Seoul (IANA) and Los Angeles on America/Los_Angeles (IANA) — a 16 hours gap between them.

Seoul ↔ Los Angeles

No overlap — one side will join outside working hours

Seoul

Los Angeles