Ottawa South to Sydney time converter

Sydney is 15 hours ahead of Ottawa South. When it is 9:00 AM in Ottawa South, it is 12:00 AM (Wed, Oct 21) in Sydney.

Ottawa South EDT

Tuesday, October 20, 2026

Sydney AEDT

Wednesday, October 21, 2026

Ottawa South
Ontario, Canada
Tue, Oct 20
EDTUTC-4
Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Ottawa South to Sydney conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Ottawa South (7:00 AM – 9:00 AM in Sydney): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

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

Distance

Ottawa South and Sydney are 15,865 km (9,858 miles) apart in a straight line.

More conversions

Sydney to Ottawa SouthOttawa South to New YorkOttawa South to LondonOttawa South to Los AngelesOttawa South to ChicagoOttawa South to TorontoOttawa South to São PauloOttawa South to ParisOttawa South to BerlinOttawa South to MoscowOttawa South to DubaiOttawa South to New DelhiOttawa South 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 South and Sydney?

Sydney is 15 hours ahead of Ottawa South.

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

When it is 9:00 AM in Ottawa South, it is 12:00 AM (Wed, Oct 21) in Sydney.

When is the best time to call Sydney from Ottawa South?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Ottawa South (7:00 AM – 9:00 AM in Sydney): working hours on one side, early or late on the other.

Does the time difference between Ottawa South 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.