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Time Difference: Philadelphia to Sydney

🇺🇸PhiladelphiaUTC-5
vs
🇦🇺SydneyUTC+10
🇺🇸
Philadelphia, US
Mon, Jul 13
🇦🇺
Sydney, Australia
Mon, Jul 13

Click a time to convert

Time Difference
14 hours
Sydney is 14 hours ahead of Philadelphia
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🇺🇸
Philadelphia
View city page
🇦🇺
Sydney
View city page

Philadelphia vs Sydney timezone guide

Philadelphia (US) uses the America/New_York timezone at UTC-5, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 15 hours ahead of Philadelphia (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between Philadelphia and Sydney

Standard 9-to-5 working hours in Philadelphia 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

PhiladelphiaSydneyStatus
6am8pmPhiladelphia early, Sydney evening
7am9pmPhiladelphia early, Sydney evening
8am10pmPhiladelphia early, Sydney late evening
9am11pmPhiladelphia working hours, Sydney late evening
10am12amPhiladelphia working hours, Sydney asleep
11am1amPhiladelphia working hours, Sydney asleep
12pm2amPhiladelphia working hours, Sydney asleep
1pm3amPhiladelphia working hours, Sydney asleep
2pm4amPhiladelphia working hours, Sydney asleep
3pm5amPhiladelphia working hours, Sydney asleep
4pm6amOne side outside 9-to-5 but still awake
5pm7amPhiladelphia evening, Sydney early
6pm8amPhiladelphia evening, Sydney early
7pm9amOne side outside 9-to-5 but still awake
8pm10amOne side outside 9-to-5 but still awake
9pm11amOne side outside 9-to-5 but still awake
10pm12pmPhiladelphia 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 Philadelphia and Sydney

Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 14 hours behind temporarily shifts.

  • Dec 31 → Mar 8Difference temporarily 16 hours behind.
  • Mar 8 → Apr 4Difference temporarily 15 hours behind.
  • Oct 3 → Nov 1Difference temporarily 15 hours behind.
  • Nov 1 → Dec 31Difference temporarily 16 hours behind.

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

Distance between Philadelphia and Sydney

Great-circle distance
15,884 km
Direct flight time
~19h 41m

Philadelphia and Sydney are 15,884 km apart along the great-circle route. A direct flight takes roughly ~19h 41m, depending on aircraft type, winds, and routing.

More comparisons

Philadelphia to New YorkPhiladelphia to LondonPhiladelphia to TokyoSydney to New YorkSydney to LondonSydney to TokyoSydney to Dubai

Frequently asked questions

What is the time difference between Philadelphia and Sydney?
The current time difference is 14 hours. Philadelphia is currently 14 hours behind Sydney.
Is Philadelphia ahead of Sydney?
No. Philadelphia is currently 14 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Philadelphia?
When it's 9 AM in Philadelphia, it's 11pm in Sydney.
When is the best time to schedule a meeting between Philadelphia and Sydney?
Standard 9-to-5 working hours in Philadelphia 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 Philadelphia and Sydney observe daylight saving time?
Philadelphia 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 Philadelphia and Sydney?
Philadelphia and Sydney are 15,884 km apart along the great-circle route. A direct flight takes roughly 19 hours 41 minutes.