Time Difference between Philadelphia and Sydney
New York (UTC-4) → Sydney (UTC+11)
🕐 Interactive Time Explorer
When it's 13:00 in Philadelphia, it's 04:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Philadelphia & Sydney◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
15,883 km
Est. Flight Time
~19.7h
Time Difference
+15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Philadelphia
21:00
Sydney
09:00
Philadelphia
00:00
Sydney (+1)
12:00
Philadelphia
03:00
Sydney (+1)
15:00
Philadelphia
06:00
Sydney (+1)
18:00
Philadelphia
09:00
Sydney (+1)
21:00
Philadelphia
12:00
Sydney (+1)
00:00
Philadelphia
15:00
Sydney
03:00
Philadelphia
18:00
Sydney
❓ Frequently Asked Questions
Time Difference Between Philadelphia and Sydney
Philadelphia, United States and Sydney, Australia are separated by a time difference of 15 hours. When it's noon in Philadelphia, it's 15 hours later in Sydney.
Philadelphia operates on America/New York timezone, while Sydney uses Australia/Sydney. Both cities may observe Daylight Saving Time at different dates, which can temporarily change the time difference by an hour.
Best Time to Call
Due to the 15 hours difference, finding overlapping business hours can be challenging.
Flight Considerations
The distance between Philadelphia and Sydney is approximately 15,883 km. A direct flight typically takes around 19.7 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.