TIME ZONE CONVERTER

Seoul to New York
Time Converter

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

THE QUICK ANSWER

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

9 AM Seoul = 7 PM New York Tue, 10 Nov at the destination

Selected date: November 11, 2026.

TIME & DATE
KRFROMUTC+09:00

South Korea · KST

Wed, 11 Nov
USTOUTC−05:00

United States · EST

7:00PM
Tue, 10 Nov-1 day
New York is 14h behind Seoul.-1 day
Find your moment
Working hoursOutside hours
SeoulYour reference
New YorkConverted time
Tap an hour to explore · November 11, 2026Dates follow Seoul
Add to calendar
THE TIME DIFFERENCE14hbehind

New York compared with Seoul.

SHARED WORKING HOURS0h2026-11-11

Adjust your working hours or choose another date.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Seoul and New York

No shared working hours on this date

Set each person’s local working hours.

Seoul
to
New York
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

Seoul to New York conversion table

November 11, 2026 · Date changes are marked.

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

Starting with the New York working day

These examples start on 2026-11-11 in New York.

09:00 New York23:00 →Seoul · 2026-11-11
17:00 New York07:00 →Seoul · 2026-11-12
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 Seoul to New York throughout 2026

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

Year CSV
New York20:00Previous day238 of 365 source dates
New York19:00Previous day127 of 365 source dates
Dates in Seoul · 2026New York answerSource → destination offsetsExplore
Jan 1 – Mar 867 dates19:00Previous dayUTC+09:00 → UTC−05:00
Mar 9 – Nov 1238 dates20:00Previous dayUTC+09:00 → UTC−04:00
Nov 2 – Dec 3160 dates19:00Previous dayUTC+09:00 → UTC−05:00

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 Seoul time become a different date in New York?

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

Seoul · 2026-11-1100:00–14:00UTC+09:00
New York · 2026-11-1010:00–24:00UTC−05:00 Previous day
Seoul · 2026-11-1114:00–24:00UTC+09:00
New York · 2026-11-1100:00–10:00UTC−05:00 Same date

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 New York compares with Seoul 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)New York vs Seoul
1 Jan 2026, 00:00 UTC8 Mar 2026, 07:00 UTC14h behind
8 Mar 2026, 07:00 UTC1 Nov 2026, 06:00 UTC13h behind
1 Nov 2026, 06:00 UTC1 Jan 2027, 00:00 UTC14h behind
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, Seoul is 13h ahead of New York.

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 New York 13h behind relative to Seoul. Exceptions:

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

Seoul–New York working hours through 2026

Every date calculated with your working windows. 261 selected Seoul 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

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

Seoul

South Korea

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

New York

United States

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

Coordinates adapted from GeoNames · CC BY 4.0

THE DETAILS THAT MATTER

Seoul to New York: useful answers

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

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

Does the Seoul–New York 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 Seoul on 2026-11-11 is 19:00 in New York on 2026-11-10. Use the destination date when adding the meeting to a calendar.

Can Seoul and New York meet during working hours?

Your selected working windows have no shared time on 2026-11-11. 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.