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Time Difference: Calgary to Sydney

🇨🇦CalgaryUTC-7
vs
🇦🇺SydneyUTC+10
🇨🇦
Calgary, Canada
Thu, May 28
🇦🇺
Sydney, Australia
Fri, May 29

Click a time to convert

Time Difference
16 hours
Sydney is 16 hours ahead of Calgary
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🇨🇦
Calgary
View city page
🇦🇺
Sydney
View city page

Calgary vs Sydney timezone guide

Calgary (Canada) uses the America/Edmonton timezone at UTC-7, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 17 hours ahead of Calgary (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Calgary and Sydney

Standard 9-to-5 working hours in Calgary and Sydney do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

CalgarySydneyStatus
6am10pmCalgary early, Sydney late evening
7am11pmCalgary early, Sydney late evening
8am12amCalgary early, Sydney asleep
9am1amCalgary working hours, Sydney asleep
10am2amCalgary working hours, Sydney asleep
11am3amCalgary working hours, Sydney asleep
12pm4amCalgary working hours, Sydney asleep
1pm5amCalgary working hours, Sydney asleep
2pm6amOne side outside 9-to-5 but still awake
3pm7amOne side outside 9-to-5 but still awake
4pm8amOne side outside 9-to-5 but still awake
5pm9amOne side outside 9-to-5 but still awake
6pm10amOne side outside 9-to-5 but still awake
7pm11amOne side outside 9-to-5 but still awake
8pm12pmOne side outside 9-to-5 but still awake
9pm1pmOne side outside 9-to-5 but still awake
10pm2pmCalgary late evening, Sydney working hours

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between Calgary and Sydney

Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 16 hours behind temporarily shifts.

  • Dec 31 → Mar 8Difference temporarily 18 hours behind.
  • Mar 8 → Apr 4Difference temporarily 17 hours behind.
  • Oct 3 → Nov 1Difference temporarily 17 hours behind.
  • Nov 1 → Dec 31Difference temporarily 18 hours behind.

Calgary transitions on March 8, 2026 and November 1, 2026. Sydney transitions on April 5, 2026 and October 4, 2026.

Distance between Calgary and Sydney

Great-circle distance
13,170 km
Direct flight time
~16h 30m

Calgary and Sydney are 13,170 km apart along the great-circle route. A direct flight takes roughly ~16h 30m, depending on aircraft type, winds, and routing.

More comparisons

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Frequently asked questions

What is the time difference between Calgary and Sydney?
The current time difference is 16 hours. Calgary is currently 16 hours behind Sydney.
Is Calgary ahead of Sydney?
No. Calgary is currently 16 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Calgary?
When it's 9 AM in Calgary, it's 1am in Sydney.
When is the best time to schedule a meeting between Calgary and Sydney?
Standard 9-to-5 working hours in Calgary and Sydney do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do Calgary and Sydney observe daylight saving time?
Calgary and Sydney both observe daylight saving time, but on different schedules. Short windows each year (a week or two around each set of transitions) produce a temporarily different offset.
How far apart are Calgary and Sydney?
Calgary and Sydney are 13,170 km apart along the great-circle route. A direct flight takes roughly 16 hours 30 minutes.