🇺🇸 Ontario → 🇦🇺 Sydney
The time difference between Ontario and Sydney is +18h. Ontario uses PDT (UTC-07:00), while Sydney uses AEDT (UTC+11:00).
+18h
Sydney is ahead
🇺🇸 Ontario
23:34
10/20 Tuesday · America/Los_Angeles
🇦🇺 Sydney
23:34
10/20 Tuesday · Australia/Sydney
Hourly Comparison
| Ontario | Sydney |
|---|---|
| 00:00 | 18:00 |
| 01:00 | 19:00 |
| 02:00 | 20:00 |
| 03:00 | 21:00 |
| 04:00 | 22:00 |
| 05:00 | 23:00 |
| 06:00 | 00:00 |
| 07:00 | 01:00 |
| 08:00 | 02:00 |
| 09:00 | 03:00 |
| 10:00 | 04:00 |
| 11:00 | 05:00 |
| 12:00 | 06:00 |
| 13:00 | 07:00 |
| 14:00 | 08:00 |
| 15:00 | 09:00 |
| 16:00 | 10:00 |
| 17:00 | 11:00 |
| 18:00 | 12:00 |
| 19:00 | 13:00 |
| 20:00 | 14:00 |
| 21:00 | 15:00 |
| 22:00 | 16:00 |
| 23:00 | 17:00 |
Tips for Ontario ↔ Sydney
- ● Ontario and Sydney share 3 hours of overlapping business hours (9 AM – 6 PM).
- ● When scheduling calls between Ontario and Sydney, remember the +18h time difference.
- ● Ontario is currently observing Daylight Saving Time (DST). The time difference may change when DST ends.
Frequently Asked Questions
What is the time difference between Ontario and Sydney?
The time difference between Ontario and Sydney is +18h. Ontario is in the PDT timezone, and Sydney is in the AEDT timezone.
When it's 9 AM in Ontario, what time is it in Sydney?
When it's 9 AM in Ontario, it's 4:00 AM in Sydney.
Is Ontario ahead or behind Sydney?
Ontario is behind Sydney by +18h.