Seoul to New York City Time Difference
New York City is 13 hours behind Seoul. When it's 02:06:04 AM in Seoul, it's 01:06:04 PM in New York City.
How Many Hours Behind Is New York City From Seoul?
New York City is 13 hours behind Seoul. So Seoul is 13 hours ahead of New York City looking the other way — the same gap, described from the other end.
In practice that means a working day in Seoul starts when it is already 8:00 PM the previous day in New York City. The gap is not fixed all year: it becomes 14 hours on Sunday, November 1, 2026, when New York City changes its clocks.
Best Time to Call Seoul and New York City
Standard 9-to-5 hours in Seoul and New York City never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 11:00 AM in Seoul, which is 6:00 PM to 10:00 PM in New York City.
both at work Seoul only New York City only neither — hours shown along the strip are Seoul local time.
Convert a Specific Time
Pick any date and time in Seoul to see the exact equivalent in New York City.
Common Times Converted
Seoul time on the left, New York City time on the right.
Seoul to New York City: Full 24-Hour Conversion Table
Based on today, Monday, October 12, 2026 in Seoul. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Seoul | New York City | Working hours |
|---|---|---|
| 12:00 AM | 11:00 AM prev day | New York City only |
| 1:00 AM | 12:00 PM prev day | New York City only |
| 2:00 AM | 1:00 PM prev day | New York City only |
| 3:00 AM | 2:00 PM prev day | New York City only |
| 4:00 AM | 3:00 PM prev day | New York City only |
| 5:00 AM | 4:00 PM prev day | New York City only |
| 6:00 AM | 5:00 PM prev day | — |
| 7:00 AM | 6:00 PM prev day | — |
| 8:00 AM | 7:00 PM prev day | — |
| 9:00 AM | 8:00 PM prev day | Seoul only |
| 10:00 AM | 9:00 PM prev day | Seoul only |
| 11:00 AM | 10:00 PM prev day | Seoul only |
| 12:00 PM | 11:00 PM prev day | Seoul only |
| 1:00 PM | 12:00 AM | Seoul only |
| 2:00 PM | 1:00 AM | Seoul only |
| 3:00 PM | 2:00 AM | Seoul only |
| 4:00 PM | 3:00 AM | Seoul only |
| 5:00 PM | 4:00 AM | — |
| 6:00 PM | 5:00 AM | — |
| 7:00 PM | 6:00 AM | — |
| 8:00 PM | 7:00 AM | — |
| 9:00 PM | 8:00 AM | — |
| 10:00 PM | 9:00 AM | New York City only |
| 11:00 PM | 10:00 AM | New York City only |
Understanding the Seoul – New York City Time Difference
Seoul runs on Asia/Seoul, currently KST (UTC+9:00). New York City runs on America/New_York, currently EDT (UTC-4:00). The gap of 13 hours is simply the distance between those two offsets.
New York City observes Daylight Saving Time and Seoul does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when New York City adjusts its clocks and the difference becomes 14 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
Seoul today
New York City today
Frequently Asked Questions
What is the time difference between Seoul and New York City?
New York City is currently 13 hours behind Seoul. That gap becomes 14 hours on Sunday, November 1, 2026, when New York City changes its clocks.
How many hours behind is New York City from Seoul?
New York City is 13 hours behind Seoul. Looking at it the other way, Seoul is 13 hours ahead of New York City.
What time is it in New York City when it is 9:00 AM in Seoul?
When it is 9:00 AM in Seoul, it is 8:00 PM the previous day in New York City.
Is New York City ahead of or behind Seoul?
New York City is 13 hours behind Seoul. Seoul reaches each point in the day first, so New York City is still getting started while the Seoul working day is finishing.
What is the best time to call between Seoul and New York City?
Standard business hours in Seoul and New York City do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 11:00 AM in Seoul, which is 6:00 PM to 10:00 PM in New York City.
Does the time difference between Seoul and New York City change during the year?
Yes. New York City observes Daylight Saving Time and Seoul does not, so the gap between them shifts during the year. It changes to 14 hours on Sunday, November 1, 2026.
What time zones are Seoul and New York City in?
Seoul uses the Asia/Seoul time zone, currently KST (UTC+9:00). New York City uses America/New_York, currently EDT (UTC-4:00).