New York City to Seoul Time Difference
Seoul is 13 hours ahead of New York City. When it's 08:56:00 AM in New York City, it's 09:56:00 PM in Seoul.
How Many Hours Ahead Is Seoul From New York City?
Seoul is 13 hours ahead of New York City. So New York City is 13 hours behind Seoul looking the other way — the same gap, described from the other end.
In practice that means a working day in New York City starts when it is already 10:00 PM in Seoul. 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 New York City and Seoul
Standard 9-to-5 hours in New York City and Seoul never overlap, so someone has to take the call outside their working day. The most workable window is 6:00 PM to 10:00 PM in New York City, which is 7:00 AM to 11:00 AM in Seoul.
both at work New York City only Seoul only neither — hours shown along the strip are New York City local time.
Convert a Specific Time
Pick any date and time in New York City to see the exact equivalent in Seoul.
Common Times Converted
New York City time on the left, Seoul time on the right.
New York City to Seoul: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in New York City. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| New York City | Seoul | Working hours |
|---|---|---|
| 12:00 AM | 1:00 PM | Seoul only |
| 1:00 AM | 2:00 PM | Seoul only |
| 2:00 AM | 3:00 PM | Seoul only |
| 3:00 AM | 4:00 PM | Seoul only |
| 4:00 AM | 5:00 PM | — |
| 5:00 AM | 6:00 PM | — |
| 6:00 AM | 7:00 PM | — |
| 7:00 AM | 8:00 PM | — |
| 8:00 AM | 9:00 PM | — |
| 9:00 AM | 10:00 PM | New York City only |
| 10:00 AM | 11:00 PM | New York City only |
| 11:00 AM | 12:00 AM next day | New York City only |
| 12:00 PM | 1:00 AM next day | New York City only |
| 1:00 PM | 2:00 AM next day | New York City only |
| 2:00 PM | 3:00 AM next day | New York City only |
| 3:00 PM | 4:00 AM next day | New York City only |
| 4:00 PM | 5:00 AM next day | New York City only |
| 5:00 PM | 6:00 AM next day | — |
| 6:00 PM | 7:00 AM next day | — |
| 7:00 PM | 8:00 AM next day | — |
| 8:00 PM | 9:00 AM next day | Seoul only |
| 9:00 PM | 10:00 AM next day | Seoul only |
| 10:00 PM | 11:00 AM next day | Seoul only |
| 11:00 PM | 12:00 PM next day | Seoul only |
Understanding the New York City – Seoul Time Difference
New York City runs on America/New_York, currently EDT (UTC-4:00). Seoul runs on Asia/Seoul, currently KST (UTC+9:00). 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.
New York City today
Seoul today
Frequently Asked Questions
What is the time difference between New York City and Seoul?
Seoul is currently 13 hours ahead of New York City. That gap becomes 14 hours on Sunday, November 1, 2026, when New York City changes its clocks.
How many hours ahead is Seoul from New York City?
Seoul is 13 hours ahead of New York City. Looking at it the other way, New York City is 13 hours behind Seoul.
What time is it in Seoul when it is 9:00 AM in New York City?
When it is 9:00 AM in New York City, it is 10:00 PM in Seoul.
Is Seoul ahead of or behind New York City?
Seoul is 13 hours ahead of New York City. Seoul reaches each point in the day first, so its working day is already finishing while New York City is still getting started.
What is the best time to call between New York City and Seoul?
Standard business hours in New York City and Seoul do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 6:00 PM to 10:00 PM in New York City, which is 7:00 AM to 11:00 AM in Seoul.
Does the time difference between New York City and Seoul 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 New York City and Seoul in?
New York City uses the America/New_York time zone, currently EDT (UTC-4:00). Seoul uses Asia/Seoul, currently KST (UTC+9:00).