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Time Difference: Denver to Sydney

🇺🇸DenverUTC-7
vs
🇦🇺SydneyUTC+10
🇺🇸
Denver, US
Fri, Oct 9
🇦🇺
Sydney, Australia
Sat, Oct 10

Click a time to convert

Time Difference
17 hours
Sydney is 17 hours ahead of Denver
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🇺🇸
Denver
View city page
🇦🇺
Sydney
View city page

Denver vs Sydney timezone guide

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

Best meeting times between Denver and Sydney

Standard 9-to-5 working hours in Denver 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

DenverSydneyStatus
6am11pmDenver early, Sydney late evening
7am12amDenver early, Sydney asleep
8am1amDenver early, Sydney asleep
9am2amDenver working hours, Sydney asleep
10am3amDenver working hours, Sydney asleep
11am4amDenver working hours, Sydney asleep
12pm5amDenver working hours, Sydney asleep
1pm6amOne side outside 9-to-5 but still awake
2pm7amOne side outside 9-to-5 but still awake
3pm8amOne side outside 9-to-5 but still awake
4pm9amBoth at work — ideal meeting time
5pm10amOne side outside 9-to-5 but still awake
6pm11amOne side outside 9-to-5 but still awake
7pm12pmOne side outside 9-to-5 but still awake
8pm1pmOne side outside 9-to-5 but still awake
9pm2pmOne side outside 9-to-5 but still awake
10pm3pmDenver 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 Denver 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.

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

Distance between Denver and Sydney

Great-circle distance
13,407 km
Direct flight time
~16h 46m

Denver and Sydney are 13,407 km apart along the great-circle route. A direct flight takes roughly ~16h 46m, depending on aircraft type, winds, and routing.

More comparisons

Denver to New YorkDenver to LondonDenver to TokyoSydney to New YorkSydney to LondonSydney to TokyoSydney to Dubai

Frequently asked questions

What is the time difference between Denver and Sydney?
The current time difference is 17 hours. Denver is currently 17 hours behind Sydney.
Is Denver ahead of Sydney?
No. Denver is currently 17 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Denver?
When it's 9 AM in Denver, it's 2am in Sydney.
When is the best time to schedule a meeting between Denver and Sydney?
Standard 9-to-5 working hours in Denver 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 Denver and Sydney observe daylight saving time?
Denver 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 Denver and Sydney?
Denver and Sydney are 13,407 km apart along the great-circle route. A direct flight takes roughly 16 hours 46 minutes.