Toronto to Ulsan Time Difference
Ulsan is 13 hours ahead of Toronto. When it is noon in Toronto, it is 01:00 in Ulsan.
Toronto (UTC-4) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 18:00 in Toronto, it's 07:00 in Ulsan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Toronto & Ulsan◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
10,744 km
Est. Flight Time
~13.6h
Time Difference
+13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Toronto
19:00
Ulsan
09:00
Toronto
22:00
Ulsan
12:00
Toronto
01:00
Ulsan (+1)
15:00
Toronto
04:00
Ulsan (+1)
18:00
Toronto
07:00
Ulsan (+1)
21:00
Toronto
10:00
Ulsan (+1)
00:00
Toronto
13:00
Ulsan
03:00
Toronto
16:00
Ulsan
Frequently Asked Questions
How many hours is Toronto behind Ulsan?
Ulsan is 13 hours ahead of Toronto. When it is 12:00 noon in Toronto, it is 01:00 in Ulsan. Toronto operates on America/Toronto (UTC-4), while Ulsan uses Asia/Seoul (UTC+9).
What is the best time to call Ulsan from Toronto?
Standard business hours (9 AM–5 PM) do not overlap between Toronto and Ulsan due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Toronto 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 Toronto and Ulsan
The distance between Toronto and Ulsan is approximately 10,744 km. A direct flight typically takes around 13.6 hours. Your arrival clock will show local Ulsan time — use our Flight Time Calculator to predict exact arrival times.