Time Difference between Sydney and Philadelphia
Sydney (UTC+11) → New York (UTC-4)
🕐 Interactive Time Explorer
When it's 16:00 in Sydney, it's 01:00 in Philadelphia
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Philadelphia◐ 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
Sydney
15:00
Philadelphia (-1)
09:00
Sydney
18:00
Philadelphia (-1)
12:00
Sydney
21:00
Philadelphia (-1)
15:00
Sydney
00:00
Philadelphia
18:00
Sydney
03:00
Philadelphia
21:00
Sydney
06:00
Philadelphia
00:00
Sydney
09:00
Philadelphia (-1)
03:00
Sydney
12:00
Philadelphia (-1)
❓ Frequently Asked Questions
Time Difference Between Sydney and Philadelphia
Sydney, Australia and Philadelphia, United States are separated by a time difference of 15 hours. When it's noon in Sydney, it's 15 hours earlier in Philadelphia.
Sydney operates on Australia/Sydney timezone, while Philadelphia uses America/New York. 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 Sydney and Philadelphia 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.