Time difference
Time difference between Adelaide and Ottawa
Find the best time to schedule a call or meeting.
Ottawa is currently 13 hours 30 minutes behind Adelaide.
Adelaide • GMT+9:30
12:05 AM
Friday, Jun 19
Ottawa • EDT
10:35 AM
Thursday, Jun 18
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Best times to meet
Standard 9 AM – 5 PM hours in Adelaide and Ottawa do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Adelaide, or a 6–8 PM meeting in Ottawa.
Quick conversion table
| Adelaide | Ottawa |
|---|---|
| 8 AM | 6:30 PM (prev day) |
| 12 PM | 10:30 PM (prev day) |
| 3 PM | 1:30 AM |
| 5 PM | 3:30 AM |
| 9 PM | 7:30 AM |
Daylight saving
Heads up: the gap will widen to 14.5 hours around October 8, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
Frequently asked questions
- How many hours ahead is Ottawa than Adelaide?
- Ottawa is 13.5 hours behind Adelaide.
- What time is 9 AM in Adelaide in Ottawa?
- 9:00 AM in Adelaide is 7:30 PM the previous day in Ottawa.
- Do Adelaide and Ottawa observe daylight saving?
- Heads up: the gap will widen to 14.5 hours around October 8, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.
- When is the best time to call Ottawa from Adelaide?
- Adelaide and Ottawa business hours don't overlap. The closest options are early mornings in Adelaide or late evenings, when one side stretches outside 9–5.