TIME ZONE CONVERTER

New York to Seoul
Time Converter

Convert New York, United States to Seoul, South Korea. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

New York is 13h or 14h behind Seoul in 2026, depending on the date.

9 AM New York = 11 PM Seoul

Selected date: November 10, 2026.

TIME & DATE
USFROMUTC−05:00

United States · EST

Tue, 10 Nov
KRTOUTC+09:00

South Korea · KST

11:00PM
Tue, 10 Nov
Seoul is 14h ahead of New York.
Find your moment
Working hoursOutside hours
New YorkYour reference
SeoulConverted time
Tap an hour to explore · November 10, 2026Dates follow New York
Add to calendar
THE TIME DIFFERENCE14hahead

Seoul compared with New York.

SHARED WORKING HOURS0h2026-11-10

Adjust your working hours or choose another date.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: New York and Seoul

No shared working hours on this date

Set each person’s local working hours.

New York
to
Seoul
to

Local working days, overnight shifts and the entire meeting duration are checked.

Closest alternatives60 MIN

¹ Sum of meeting minutes outside both people’s selected hours. Alternatives minimize the worst individual conflict first.

THE QUICK REFERENCE

New York to Seoul conversion table

November 10, 2026 · Date changes are marked.

CSV
View the full 24-hour table
New YorkSeoul
12:00 AM2:00 PM
1:00 AM3:00 PM
2:00 AM4:00 PM
3:00 AM5:00 PM
4:00 AM6:00 PM
5:00 AM7:00 PM
6:00 AM8:00 PM
7:00 AM9:00 PM
8:00 AM10:00 PM
9:00 AM11:00 PM
10:00 AM12:00 AM +1 day
11:00 AM1:00 AM +1 day
New YorkSeoul
12:00 PM2:00 AM +1 day
1:00 PM3:00 AM +1 day
2:00 PM4:00 AM +1 day
3:00 PM5:00 AM +1 day
4:00 PM6:00 AM +1 day
5:00 PM7:00 AM +1 day
6:00 PM8:00 AM +1 day
7:00 PM9:00 AM +1 day
8:00 PM10:00 AM +1 day
9:00 PM11:00 AM +1 day
10:00 PM12:00 PM +1 day
11:00 PM1:00 PM +1 day

Starting with the Seoul working day

These examples start on 2026-11-10 in Seoul.

09:00 Seoul19:00 →New York · 2026-11-09
17:00 Seoul03:00 →New York · 2026-11-10
SAME TIME NEXT WEEK?

Check recurring meeting times

Check the next 12 weeks for clock changes and working-hours conflicts.

Check my schedule
ONE CLOCK TIME. THE WHOLE YEAR.

09:00 New York to Seoul throughout 2026

Keeping 09:00 on the New York clock produces 2 different destination clock/date answers in 2026. The ranges below use New York calendar dates, including transition days.

Year CSV
Seoul22:00Same date238 of 365 source dates
Seoul23:00Same date127 of 365 source dates
Dates in New York · 2026Seoul answerSource → destination offsetsExplore
Jan 1 – Mar 766 dates23:00Same dateUTC−05:00 → UTC+09:00
Mar 8 – Oct 31238 dates22:00Same dateUTC−04:00 → UTC+09:00
Nov 1 – Dec 3161 dates23:00Same dateUTC−05:00 → UTC+09:00

Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.

DON’T LOSE A DAY

When does New York time become a different date in Seoul?

Your complete source day: 2026-11-10. Each range shows which destination date to use.

New York · 2026-11-1000:00–10:00UTC−05:00
Seoul · 2026-11-1014:00–24:00UTC+09:00 Same date
New York · 2026-11-1010:00–24:00UTC−05:00
Seoul · 2026-11-1100:00–14:00UTC+09:00 Next day

Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.

THE BIGGER PICTURE

A year of time differences.

How Seoul compares with New York throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+14h
+13h
+14h

New York changes its UTC offset in 2026. Seoul keeps one UTC offset this year.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)Seoul vs New York
1 Jan 2026, 00:00 UTC8 Mar 2026, 07:00 UTC14h ahead
8 Mar 2026, 07:00 UTC1 Nov 2026, 06:00 UTC13h ahead
1 Nov 2026, 06:00 UTC1 Jan 2027, 00:00 UTC14h ahead
CLOCK CHANGES

What changes at the next clock adjustment?

March 14, 2027Local transition date
  • New York clocks go forward by 1h on March 14, 2027.

After this change, New York is 13h behind Seoul.

Exact clock readings and UTC transition

2027-03-14T07:00:00.000Z.

New York: 2027-03-14 01:59 UTC−05:00 → 2027-03-14 03:00 UTC−04:00.

Readings are one real minute apart. Future rules may change.

Exact periods outside the most common difference in 2026

The most frequent difference has Seoul 13h ahead relative to New York. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with New York
1 Jan 2026, 00:00 UTC8 Mar 2026, 07:00 UTC14h ahead
1 Nov 2026, 06:00 UTC1 Jan 2027, 00:00 UTC14h ahead
PLAN BEYOND A SINGLE DAY

New York–Seoul working hours through 2026

Every date calculated with your working windows. 261 selected New York workdays; public holidays are not applied.

Daily CSV
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261

One fixed start time does not fit every working day.

Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.

Explore seasonal meeting times and your weekly schedule

New York: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Seoul: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.

Calculation details and repeated hours

Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.

TWO PLACES. ONE CONNECTION.

Across the map. Across the clock.

≈ 11,052 km apart
180°W0°180°E

City-center coordinates. Distance is an approximate great-circle distance, not a flight route.

New York

United States

Time zone
America/New_York
Coordinates
40.71°N, 74.01°W

Seoul

South Korea

Time zone
Asia/Seoul
Coordinates
37.57°N, 126.98°E

Coordinates adapted from GeoNames · CC BY 4.0

THE DETAILS THAT MATTER

New York to Seoul: useful answers

Why is the New York to Seoul difference sometimes 13 hours and sometimes 14 hours?

New York is 13h or 14h behind Seoul in 2026, depending on the date. New York changes its UTC offset in 2026. Seoul keeps one UTC offset this year.

Does the New York–Seoul time difference change in 2026?

The published rules produce 3 periods with 2 different offsets in 2026. See the annual chart for the exact boundaries of each period.

Does this conversion change the calendar date?

09:00 in New York on 2026-11-10 is 23:00 in Seoul on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.

Can New York and Seoul meet during working hours?

Your selected working windows have no shared time on 2026-11-10. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.

Related time-zone meanings and conversions

Choose the question you need answered

Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology

Where in the world?

Start typing to find a place or time zone.

Search by city name, abbreviation or IANA time zone.