Ontario to Sydney time converter

Sydney is 15 hours ahead of Ontario. When it is 9:00 AM in Ontario, it is 12:00 AM (Sat, Oct 17) in Sydney.

Ontario EDT

Friday, October 16, 2026

Sydney AEDT

Saturday, October 17, 2026

Ontario
Canada
Fri, Oct 16
EDTUTC-4
Sydney
New South Wales, Australia
Sat, Oct 17
AEDTUTC+11+15h
Finding your time zone…
Shared working hours (9:00–18:00)

Ontario to Sydney conversion table

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

OntarioSydney
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 Ontario (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 Ontario and Sydney switch clocks on different dates:

  • Oct 16, 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 16, 2027: +15h

More conversions

Sydney to OntarioOntario to New YorkOntario to LondonOntario to Los AngelesOntario to ChicagoOntario to TorontoOntario to São PauloOntario to ParisOntario to BerlinOntario to MoscowOntario to DubaiOntario to New DelhiOntario 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 Ontario and Sydney?

Sydney is 15 hours ahead of Ontario.

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

When it is 9:00 AM in Ontario, it is 12:00 AM (Sat, Oct 17) in Sydney.

When is the best time to call Sydney from Ontario?

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

Does the time difference between Ontario 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.