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Time Difference: Ottawa to Sydney

🇨🇦OttawaUTC-5
vs
🇦🇺SydneyUTC+10
🇨🇦
Ottawa, Canada
Mon, Jul 13
🇦🇺
Sydney, Australia
Mon, Jul 13

Click a time to convert

Time Difference
14 hours
Sydney is 14 hours ahead of Ottawa
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🇨🇦
Ottawa
View city page
🇦🇺
Sydney
View city page

Ottawa vs Sydney timezone guide

Ottawa (Canada) uses the America/Toronto timezone at UTC-5, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 15 hours ahead of Ottawa (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Ottawa and Sydney

Standard 9-to-5 working hours in Ottawa and Sydney do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

OttawaSydneyStatus
6am8pmOttawa early, Sydney evening
7am9pmOttawa early, Sydney evening
8am10pmOttawa early, Sydney late evening
9am11pmOttawa working hours, Sydney late evening
10am12amOttawa working hours, Sydney asleep
11am1amOttawa working hours, Sydney asleep
12pm2amOttawa working hours, Sydney asleep
1pm3amOttawa working hours, Sydney asleep
2pm4amOttawa working hours, Sydney asleep
3pm5amOttawa working hours, Sydney asleep
4pm6amOne side outside 9-to-5 but still awake
5pm7amOttawa evening, Sydney early
6pm8amOttawa evening, Sydney early
7pm9amOne side outside 9-to-5 but still awake
8pm10amOne side outside 9-to-5 but still awake
9pm11amOne side outside 9-to-5 but still awake
10pm12pmOttawa late evening, Sydney working hours

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Ottawa and Sydney

Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 14 hours behind temporarily shifts.

  • Dec 31 → Mar 8Difference temporarily 16 hours behind.
  • Mar 8 → Apr 4Difference temporarily 15 hours behind.
  • Oct 3 → Nov 1Difference temporarily 15 hours behind.
  • Nov 1 → Dec 31Difference temporarily 16 hours behind.

Ottawa transitions on March 8, 2026 and November 1, 2026. Sydney transitions on April 5, 2026 and October 4, 2026.

Distance between Ottawa and Sydney

Great-circle distance
15,864 km
Direct flight time
~19h 40m

Ottawa and Sydney are 15,864 km apart along the great-circle route. A direct flight takes roughly ~19h 40m, depending on aircraft type, winds, and routing.

More comparisons

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Frequently asked questions

What is the time difference between Ottawa and Sydney?
The current time difference is 14 hours. Ottawa is currently 14 hours behind Sydney.
Is Ottawa ahead of Sydney?
No. Ottawa is currently 14 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Ottawa?
When it's 9 AM in Ottawa, it's 11pm in Sydney.
When is the best time to schedule a meeting between Ottawa and Sydney?
Standard 9-to-5 working hours in Ottawa and Sydney do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Ottawa and Sydney observe daylight saving time?
Ottawa and Sydney both observe daylight saving time, but on different schedules. Short windows each year (a week or two around each set of transitions) produce a temporarily different offset.
How far apart are Ottawa and Sydney?
Ottawa and Sydney are 15,864 km apart along the great-circle route. A direct flight takes roughly 19 hours 40 minutes.