Ottawa to Sydney Time Difference
Sydney is 14 hours ahead of Ottawa. When it is noon in Ottawa, it is 02:00 in Sydney.
Toronto (UTC-4) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 08:00 in Ottawa, it's 22:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ottawa & Sydney◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
15,863 km
Est. Flight Time
~19.7h
Time Difference
+14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ottawa
20:00
Sydney
09:00
Ottawa
23:00
Sydney
12:00
Ottawa
02:00
Sydney (+1)
15:00
Ottawa
05:00
Sydney (+1)
18:00
Ottawa
08:00
Sydney (+1)
21:00
Ottawa
11:00
Sydney (+1)
00:00
Ottawa
14:00
Sydney
03:00
Ottawa
17:00
Sydney
Frequently Asked Questions
How many hours is Ottawa behind Sydney?
Sydney is 14 hours ahead of Ottawa. When it is 12:00 noon in Ottawa, it is 02:00 in Sydney. Ottawa operates on America/Toronto (UTC-4), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Ottawa?
Standard business hours (9 AM–5 PM) do not overlap between Ottawa and Sydney due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ottawa to Sydney 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 Sydney
The distance between Ottawa and Sydney is approximately 15,863 km. A direct flight typically takes around 19.7 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.