Tokyo to Ulsan Time Difference
Tokyo and Ulsan are in the same time zone — no time difference.
Tokyo (UTC+9) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 04:00 in Tokyo, it's 04:00 in Ulsan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Tokyo & Ulsan✓ Perfect Match (8 hours)
✈️ Travel Information
Distance
938 km
Est. Flight Time
~2.1h
Time Difference
0h
Work Hours Overlap
8h
Excellent
🟢 Good to Call Now
13:24
09:00 - 17:00
⏰ Quick Conversion
06:00
Tokyo
06:00
Ulsan
09:00
Tokyo
09:00
Ulsan
12:00
Tokyo
12:00
Ulsan
15:00
Tokyo
15:00
Ulsan
18:00
Tokyo
18:00
Ulsan
21:00
Tokyo
21:00
Ulsan
00:00
Tokyo
00:00
Ulsan
03:00
Tokyo
03:00
Ulsan
Frequently Asked Questions
Is there a time difference between Tokyo and Ulsan?
Tokyo and Ulsan share the same UTC offset — there is no time difference between them. Tokyo operates on Asia/Tokyo (UTC+9), while Ulsan uses Asia/Seoul (UTC+9).
What is the best time to call Ulsan from Tokyo?
There are 8 hours of overlapping business time (9 AM–5 PM) between Tokyo and Ulsan. The best window is 09:00–17:00 Tokyo time (09:00–17:00 in Ulsan).
Does the Tokyo to Ulsan time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Tokyo and Ulsan
The distance between Tokyo and Ulsan is approximately 938 km. A direct flight typically takes around 2.1 hours. Your arrival clock will show local Ulsan time — use our Flight Time Calculator to predict exact arrival times.