New York City vs Seoul — Time Zone & Clock

New York City 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

New York

USA · UTC±0

09:00

Tokyo

Japan · +13h

22:00

Dubai

United Arab Emirates · +8h

17:00

New York City vs Seoul — time difference

New York City is 13 hours behind Seoul. When it's noon in New York City, it's 01:00 in Seoul.

New York City 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 City and Seoul during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.

Best call times between these locations

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

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

⚠️ 4h before working hours in Seoul

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

⚠️ 4h after working hours in New York City

15:00 New York City / 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.

Public holidays this year

⚡ Upcoming holidays in both locations, confirm with your contact before booking.

New York City7 holidays

Jul 3Independence DaySOON

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

Nov 11Veterans Day

Seoul7 holidays

Aug 15Liberation Day

Sep 24Chuseok

Sep 25Chuseok

Sep 26Chuseok

Oct 3National Foundation Day

New York City and Seoul — practical scheduling

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

💡 Practical scheduling guidelines

⚡

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

⚡

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

⚡

A 15:00 meeting in New York City means 04:00 in Seoul (5h before working hours in Seoul).

With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.

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 City".

Frequently Asked Questions

Is Seoul ahead of or behind New York City?

The offset is 13 hours — New York City is behind Seoul. Timezones: America/New_York and Asia/Seoul.

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

No mutual business hours exist between New York City and Seoul. The 13 hours difference pushes them into completely separate workdays.

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

Neither New York City nor Seoul has a DST transition this week. The 13 hours gap remains consistent.

If it's noon in New York City, what time is it in Seoul?

Noon in New York City corresponds to 1:00 AM in Seoul.

How do I convert New York City time to Seoul time?

The live slider at the top converts any New York City time to Seoul instantly. You can also type natural language like "9am" or "15:30".

Does New York City have holidays coming up that could affect scheduling?

Yes — New York City has an upcoming public holiday: Independence Day on July 3. Check the holiday panel above before confirming meetings.

Which UTC offsets do New York City and Seoul follow?

America/New_York covers New York City; Asia/Seoul covers Seoul. This gives a 13 hours difference.

Quick time conversions: New York City → Seoul

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

When it's 4:00 PM in New York City, the time in Seoul is 5:00 AM.(+1 day)

New York City 6:00 PM — what's that in Seoul?—7:00 AM(+1 day)

7:00 AMin New York City→8:00 PMin Seoul

A 2:00 PM start in New York City means 3:00 AM for your contact in Seoul.(+1 day)

3:00 PMin New York City→4:00 AMin Seoul(+1 day)

If I call at 10:00 AM from New York City, what time is it in Seoul?—11:00 PM

9:00 AMin New York City→10:00 PMin Seoul

Related: New York City time converters

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New York City ↔ Seoul

No overlap — one side will join outside working hours· Showing afternoon hours (12:00–20:00)

New York City

Seoul

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

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