Sydney to Ottawa Time Difference
Ottawa is 14 hours behind Sydney. When it is noon in Sydney, it is 22:00 in Ottawa.
Sydney (UTC+10) → Toronto (UTC-4)
🕐 Interactive Time Explorer
When it's 10:00 in Sydney, it's 20:00 in Ottawa
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Ottawa◐ 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
Sydney
16:00
Ottawa (-1)
09:00
Sydney
19:00
Ottawa (-1)
12:00
Sydney
22:00
Ottawa (-1)
15:00
Sydney
01:00
Ottawa
18:00
Sydney
04:00
Ottawa
21:00
Sydney
07:00
Ottawa
00:00
Sydney
10:00
Ottawa (-1)
03:00
Sydney
13:00
Ottawa (-1)
Frequently Asked Questions
How many hours is Sydney ahead of Ottawa?
Ottawa is 14 hours behind Sydney. When it is 12:00 noon in Sydney, it is 22:00 in Ottawa. Sydney operates on Australia/Sydney (UTC+10), while Ottawa uses America/Toronto (UTC-4).
What is the best time to call Ottawa from Sydney?
Standard business hours (9 AM–5 PM) do not overlap between Sydney and Ottawa due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Sydney to Ottawa 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 Sydney and Ottawa
The distance between Sydney and Ottawa is approximately 15,863 km. A direct flight typically takes around 19.7 hours. Your arrival clock will show local Ottawa time — use our Flight Time Calculator to predict exact arrival times.