Ulsan to Toronto Time Difference
Toronto is 13 hours behind Ulsan. When it is noon in Ulsan, it is 23:00 in Toronto.
Seoul (UTC+9) → Toronto (UTC-4)
🕐 Interactive Time Explorer
When it's 11:00 in Ulsan, it's 22:00 in Toronto
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ulsan & Toronto◐ 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
Ulsan
17:00
Toronto (-1)
09:00
Ulsan
20:00
Toronto (-1)
12:00
Ulsan
23:00
Toronto (-1)
15:00
Ulsan
02:00
Toronto
18:00
Ulsan
05:00
Toronto
21:00
Ulsan
08:00
Toronto
00:00
Ulsan
11:00
Toronto (-1)
03:00
Ulsan
14:00
Toronto (-1)
Frequently Asked Questions
How many hours is Ulsan ahead of Toronto?
Toronto is 13 hours behind Ulsan. When it is 12:00 noon in Ulsan, it is 23:00 in Toronto. Ulsan operates on Asia/Seoul (UTC+9), while Toronto uses America/Toronto (UTC-4).
What is the best time to call Toronto from Ulsan?
Standard business hours (9 AM–5 PM) do not overlap between Ulsan and Toronto due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ulsan to Toronto 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 Ulsan and Toronto
The distance between Ulsan and Toronto is approximately 10,744 km. A direct flight typically takes around 13.6 hours. Your arrival clock will show local Toronto time — use our Flight Time Calculator to predict exact arrival times.