Time Difference between Tokyo and Seongnam
Tokyo (UTC+9) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 15:00 in Tokyo, it's 15:00 in Seongnam
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Seongnam✓ Perfect Match (8 hours)
✈️ Travel Information
Distance
1,137 km
Est. Flight Time
~2.3h
Time Difference
0h
Work Hours Overlap
8h
Excellent
🔴 Office Closed
Today 09:00
09:00 - 17:00
⏰ Quick Conversion
06:00
Tokyo
06:00
Seongnam
09:00
Tokyo
09:00
Seongnam
12:00
Tokyo
12:00
Seongnam
15:00
Tokyo
15:00
Seongnam
18:00
Tokyo
18:00
Seongnam
21:00
Tokyo
21:00
Seongnam
00:00
Tokyo
00:00
Seongnam
03:00
Tokyo
03:00
Seongnam
❓ Frequently Asked Questions
Time Difference Between Tokyo and Seongnam
Tokyo, Japan and Seongnam, South Korea are separated by a time difference of 0 hours. When it's noon in Tokyo, it's the same time in Seongnam.
Tokyo operates on Asia/Tokyo timezone, while Seongnam uses Asia/Seoul. Both cities may observe Daylight Saving Time at different dates, which can temporarily change the time difference by an hour.
Best Time to Call
With only 0 hours difference, scheduling calls between Tokyo and Seongnam is relatively easy.
Flight Considerations
The distance between Tokyo and Seongnam is approximately 1,137 km. A direct flight typically takes around 2.3 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.