Ottawa to Sydney time converter

Sydney is 16 hours ahead of Ottawa. When it is 9:00 AM in Ottawa, it is 1:00 AM (Wed, Oct 21) in Sydney.

Ottawa CDT

Tuesday, October 20, 2026

Sydney AEDT

Tuesday, October 20, 2026

Ottawa
Illinois, United States
Tue, Oct 20
CDTUTC-5
Sydney
New South Wales, Australia
Tue, Oct 20
AEDTUTC+11+16h
Finding your time zone…
Shared working hours (9:00–18:00)

Ottawa to Sydney conversion table

Every hour of today in Ottawa and the matching time in Sydney. Light rows are typical working hours (9:00–18:00).

OttawaSydney
12:00 AM4:00 PM
1:00 AM5:00 PM
2:00 AM6:00 PM
3:00 AM7:00 PM
4:00 AM8:00 PM
5:00 AM9:00 PM
6:00 AM10:00 PM
7:00 AM11:00 PM
8:00 AM12:00 AM+1 day
9:00 AM1:00 AM+1 day
10:00 AM2:00 AM+1 day
11:00 AM3:00 AM+1 day
12:00 PM4:00 AM+1 day
1:00 PM5:00 AM+1 day
2:00 PM6:00 AM+1 day
3:00 PM7:00 AM+1 day
4:00 PM8:00 AM+1 day
5:00 PM9:00 AM+1 day
6:00 PM10:00 AM+1 day
7:00 PM11:00 AM+1 day
8:00 PM12:00 PM+1 day
9:00 PM1:00 PM+1 day
10:00 PM2:00 PM+1 day
11:00 PM3:00 PM+1 day

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Ottawa (9:00 AM – 10:00 AM in Sydney).

Daylight saving time and the difference

The difference changes during the year because Ottawa and Sydney switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: +16h
  • Nov 1, 2026 – Mar 14, 2027: +17h
  • Mar 14, 2027 – Apr 3, 2027: +16h
  • Apr 3, 2027 – Oct 2, 2027: +15h
  • Oct 2, 2027 – Oct 20, 2027: +16h

Distance

Ottawa and Sydney are 14,766 km (9,175 miles) apart in a straight line.

More conversions

Sydney to OttawaOttawa to New YorkOttawa to LondonOttawa to Los AngelesOttawa to ChicagoOttawa to TorontoOttawa to São PauloOttawa to ParisOttawa to BerlinOttawa to MoscowOttawa to DubaiOttawa to New DelhiOttawa to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Ottawa and Sydney?

Sydney is 16 hours ahead of Ottawa.

What time is it in Sydney when it is 9 AM in Ottawa?

When it is 9:00 AM in Ottawa, it is 1:00 AM (Wed, Oct 21) in Sydney.

When is the best time to call Sydney from Ottawa?

Both sides are at work from 5:00 PM – 6:00 PM in Ottawa (9:00 AM – 10:00 AM in Sydney).

Does the time difference between Ottawa and Sydney change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.