Tokyo to Seoul Time Difference
Seoul and Tokyo are on the same clock time. There is no time difference between them right now.
Is There a Time Difference Between Tokyo and Seoul?
No — Seoul and Tokyo are on exactly the same clock. Whatever the time is in Tokyo, it is the same in Seoul, so nothing needs converting between them.
Best Time to Call Tokyo and Seoul
Both cities are inside normal business hours between 9:00 AM and 5:00 PM in Tokyo — that's 9:00 AM to 5:00 PM in Seoul. That's an 8-hour window, so a call fits comfortably in either side's working day.
both at work Tokyo only Seoul only neither — hours shown along the strip are Tokyo local time.
Convert a Specific Time
Pick any date and time in Tokyo to see the exact equivalent in Seoul.
Common Times Converted
Tokyo time on the left, Seoul time on the right.
Tokyo to Seoul: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Tokyo. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Tokyo | Seoul | Working hours |
|---|---|---|
| 12:00 AM | 12:00 AM | — |
| 1:00 AM | 1:00 AM | — |
| 2:00 AM | 2:00 AM | — |
| 3:00 AM | 3:00 AM | — |
| 4:00 AM | 4:00 AM | — |
| 5:00 AM | 5:00 AM | — |
| 6:00 AM | 6:00 AM | — |
| 7:00 AM | 7:00 AM | — |
| 8:00 AM | 8:00 AM | — |
| 9:00 AM | 9:00 AM | Both cities |
| 10:00 AM | 10:00 AM | Both cities |
| 11:00 AM | 11:00 AM | Both cities |
| 12:00 PM | 12:00 PM | Both cities |
| 1:00 PM | 1:00 PM | Both cities |
| 2:00 PM | 2:00 PM | Both cities |
| 3:00 PM | 3:00 PM | Both cities |
| 4:00 PM | 4:00 PM | Both cities |
| 5:00 PM | 5:00 PM | — |
| 6:00 PM | 6:00 PM | — |
| 7:00 PM | 7:00 PM | — |
| 8:00 PM | 8:00 PM | — |
| 9:00 PM | 9:00 PM | — |
| 10:00 PM | 10:00 PM | — |
| 11:00 PM | 11:00 PM | — |
Understanding the Tokyo – Seoul Time Difference
Tokyo runs on Asia/Tokyo, currently JST (UTC+9:00). Seoul runs on Asia/Seoul, currently KST (UTC+9:00). Both offsets are identical right now, which is why the two cities show the same clock time.
This difference holds steady all year — no clock change in either city moves it. A meeting time that works in January works just as well in July.
Tokyo today
Seoul today
Frequently Asked Questions
What is the time difference between Tokyo and Seoul?
There is currently no time difference between Tokyo and Seoul. Both cities are on the same clock time right now.
What time is it in Seoul when it is 9:00 AM in Tokyo?
When it is 9:00 AM in Tokyo, it is 9:00 AM in Seoul.
What is the best time to call between Tokyo and Seoul?
Between 9:00 AM and 5:00 PM Tokyo time, which is 9:00 AM to 5:00 PM in Seoul. Both cities are inside normal business hours during that window.
Does the time difference between Tokyo and Seoul change during the year?
No. The difference between Tokyo and Seoul stays fixed all year round — no clock change in either city moves it.
What time zones are Tokyo and Seoul in?
Tokyo uses the Asia/Tokyo time zone, currently JST (UTC+9:00). Seoul uses Asia/Seoul, currently KST (UTC+9:00).