Seoul to Dallas Time Difference
Dallas is 14 hours behind Seoul. When it's 11:20:08 PM in Seoul, it's 09:20:08 AM in Dallas.
How Many Hours Behind Is Dallas From Seoul?
Dallas is 14 hours behind Seoul. So Seoul is 14 hours ahead of Dallas 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 7:00 PM the previous day in Dallas. The gap is not fixed all year: it becomes 15 hours on Sunday, November 1, 2026, when Dallas changes its clocks.
Best Time to Call Seoul and Dallas
Standard 9-to-5 hours in Seoul and Dallas never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 12:00 PM in Seoul, which is 5:00 PM to 10:00 PM in Dallas.
both at work Seoul only Dallas 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 Dallas.
Common Times Converted
Seoul time on the left, Dallas time on the right.
Seoul to Dallas: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Seoul. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Seoul | Dallas | Working hours |
|---|---|---|
| 12:00 AM | 10:00 AM prev day | Dallas only |
| 1:00 AM | 11:00 AM prev day | Dallas only |
| 2:00 AM | 12:00 PM prev day | Dallas only |
| 3:00 AM | 1:00 PM prev day | Dallas only |
| 4:00 AM | 2:00 PM prev day | Dallas only |
| 5:00 AM | 3:00 PM prev day | Dallas only |
| 6:00 AM | 4:00 PM prev day | Dallas only |
| 7:00 AM | 5:00 PM prev day | — |
| 8:00 AM | 6:00 PM prev day | — |
| 9:00 AM | 7:00 PM prev day | Seoul only |
| 10:00 AM | 8:00 PM prev day | Seoul only |
| 11:00 AM | 9:00 PM prev day | Seoul only |
| 12:00 PM | 10:00 PM prev day | Seoul only |
| 1:00 PM | 11:00 PM prev day | Seoul only |
| 2:00 PM | 12:00 AM | Seoul only |
| 3:00 PM | 1:00 AM | Seoul only |
| 4:00 PM | 2:00 AM | Seoul only |
| 5:00 PM | 3:00 AM | — |
| 6:00 PM | 4:00 AM | — |
| 7:00 PM | 5:00 AM | — |
| 8:00 PM | 6:00 AM | — |
| 9:00 PM | 7:00 AM | — |
| 10:00 PM | 8:00 AM | — |
| 11:00 PM | 9:00 AM | Dallas only |
Understanding the Seoul – Dallas Time Difference
Seoul runs on Asia/Seoul, currently KST (UTC+9:00). Dallas runs on America/Chicago, currently CDT (UTC-5:00). The gap of 14 hours is simply the distance between those two offsets.
Dallas 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 Dallas adjusts its clocks and the difference becomes 15 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
Seoul today
Dallas today
Frequently Asked Questions
What is the time difference between Seoul and Dallas?
Dallas is currently 14 hours behind Seoul. That gap becomes 15 hours on Sunday, November 1, 2026, when Dallas changes its clocks.
How many hours behind is Dallas from Seoul?
Dallas is 14 hours behind Seoul. Looking at it the other way, Seoul is 14 hours ahead of Dallas.
What time is it in Dallas when it is 9:00 AM in Seoul?
When it is 9:00 AM in Seoul, it is 7:00 PM the previous day in Dallas.
Is Dallas ahead of or behind Seoul?
Dallas is 14 hours behind Seoul. Seoul reaches each point in the day first, so Dallas is still getting started while the Seoul working day is finishing.
What is the best time to call between Seoul and Dallas?
Standard business hours in Seoul and Dallas 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 12:00 PM in Seoul, which is 5:00 PM to 10:00 PM in Dallas.
Does the time difference between Seoul and Dallas change during the year?
Yes. Dallas observes Daylight Saving Time and Seoul does not, so the gap between them shifts during the year. It changes to 15 hours on Sunday, November 1, 2026.
What time zones are Seoul and Dallas in?
Seoul uses the Asia/Seoul time zone, currently KST (UTC+9:00). Dallas uses America/Chicago, currently CDT (UTC-5:00).