New York to Seoul — 13 hours Difference

New York is behind by 13 hours

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

Seoul

South Korea · +13h

22:00

London

United Kingdom · +5h

14:00

Tokyo

Japan · +13h

22:00

Dubai

United Arab Emirates · +8h

17:00

Sydney

Australia · +14h

23:00

New York ↔ Seoul

No overlap — one side will join outside working hours

New York

Seoul

00:00

13:00Working

01:00

14:00Working

02:00

15:00Working

03:00

16:00Working

04:00

17:00

05:00

18:00

06:00

19:00

07:00

20:00

08:00

21:00

09:00Working

22:00off

10:00Working

23:00off

11:00Working

00:00+1doff

12:00Working

01:00+1doff

13:00Working

02:00+1doff

14:00Working

03:00+1doff

15:00Working

04:00+1doff

16:00Working

05:00+1doff

17:00

06:00+1d

18:00

07:00+1d

19:00

08:00+1d

20:00

09:00+1dWorking

21:00

10:00+1dWorking

22:00

11:00+1dWorking

23:00

12:00+1dWorking

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Best times to schedule a meeting

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

16:00 New York / 05:00 Seoul⚡ One side off-hours

⚠️ 4h before working hours in Seoul

20:00 New York / 09:00 Seoul⚡ One side off-hours

⚠️ 4h after working hours in New York

15:00 New York / 04:00 Seoul⚡ One side off-hours

⚠️ 5h before working hours in Seoul

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

New York vs Seoul — time difference

New York is 13 hours behind Seoul. When New York clocks hit noon, Seoul reads 01:00.

New York runs on America/New_York; Seoul runs on Asia/Seoul. Together they are 13 hours apart.

Shared working hours

There is no business hours overlap between New York and Seoul 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.

New York8 holidays

Jun 19Juneteenth National Independence DaySOON

Jul 3Independence Day

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Seoul7 holidays

Aug 15Liberation Day

Sep 24Chuseok

Sep 25Chuseok

Sep 26Chuseok

Oct 3National Foundation Day

Working across New York and Seoul

A 13-hour difference separates New York (USA) and Seoul (South Korea) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.

💡 Best practice for cross-timezone meetings

⚡

A 16:00 meeting in New York means 05:00 in Seoul (4h before working hours in Seoul).

⚡

A 20:00 meeting in New York means 09:00 in Seoul (4h after working hours in New York).

⚡

A 15:00 meeting in New York means 04:00 in Seoul (5h 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 New York".

Quick time conversions: New York → Seoul

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

When it's 6:00 AM in New York, the time in Seoul is 7:00 PM.

If it's 5:00 PM where I am in New York, what does Seoul show?—6:00 AM(+1 day)

4:00 PMin New York→5:00 AMin Seoul(+1 day)

Setting a 12:00 PM alarm in New York? That's 1:00 AM for Seoul.(+1 day)

1:00 PMin New York→2:00 AMin Seoul(+1 day)

What time is 11:00 AM New York in Seoul?—12:00 AM(+1 day)

Frequently Asked Questions

Is Seoul ahead of or behind New York?

The time difference between New York and Seoul is 13 hours. New York observes America/New_York while Seoul observes Asia/Seoul.

Is there a mutual working window between New York and Seoul?

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

Are there any upcoming DST changes for New York or Seoul?

You can plan confidently — no DST shifts are due for either location this week, so the 13 hours gap won't change.

12:00 PM in New York is what time in Seoul?

At midday in New York, clocks in Seoul show 1:00 AM.

What is the easiest way to convert between New York and Seoul time zones?

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

What local holidays should I watch out for in New York?

Yes — New York has an upcoming public holiday: Juneteenth National Independence Day on June 19. Check the holiday panel above before confirming meetings.

What timezone is New York in, and what timezone is Seoul in?

New York runs on America/New_York (IANA) and Seoul on Asia/Seoul (IANA) — a 13 hours gap between them.

Are New York and Seoul east or west of UTC?

America/New_York covers New York and Asia/Seoul covers Seoul. These IANA identifiers encode their UTC offsets, which currently differ by 13 hours.

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