Ottawa to Tokyo Time Difference
Tokyo is 13 hours ahead of Ottawa. When it is noon in Ottawa, it is 01:00 in Tokyo.
Toronto (UTC-4) → Tokyo (UTC+9)
🕐 Interactive Time Explorer
When it's 10:00 in Ottawa, it's 23:00 in Tokyo
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ottawa & Tokyo◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
10,322 km
Est. Flight Time
~13.1h
Time Difference
+13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ottawa
19:00
Tokyo
09:00
Ottawa
22:00
Tokyo
12:00
Ottawa
01:00
Tokyo (+1)
15:00
Ottawa
04:00
Tokyo (+1)
18:00
Ottawa
07:00
Tokyo (+1)
21:00
Ottawa
10:00
Tokyo (+1)
00:00
Ottawa
13:00
Tokyo
03:00
Ottawa
16:00
Tokyo
Frequently Asked Questions
How many hours is Ottawa behind Tokyo?
Tokyo is 13 hours ahead of Ottawa. When it is 12:00 noon in Ottawa, it is 01:00 in Tokyo. Ottawa operates on America/Toronto (UTC-4), while Tokyo uses Asia/Tokyo (UTC+9).
What is the best time to call Tokyo from Ottawa?
Standard business hours (9 AM–5 PM) do not overlap between Ottawa and Tokyo due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ottawa to Tokyo 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 Ottawa and Tokyo
The distance between Ottawa and Tokyo is approximately 10,322 km. A direct flight typically takes around 13.1 hours. Your arrival clock will show local Tokyo time — use our Flight Time Calculator to predict exact arrival times.