Philadelphia to Sydney Time Difference
Sydney is 14 hours ahead of Philadelphia. When it is noon in Philadelphia, it is 02:00 in Sydney.
New York (UTC-4) → Sydney (UTC+10)
🕐 Interactive Time Explorer
When it's 15:00 in Philadelphia, it's 05:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Philadelphia & Sydney◐ Extended Hours (3 hours)
✈️ Travel Information
Distance
15,883 km
Est. Flight Time
~19.7h
Time Difference
+14h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Philadelphia
20:00
Sydney
09:00
Philadelphia
23:00
Sydney
12:00
Philadelphia
02:00
Sydney (+1)
15:00
Philadelphia
05:00
Sydney (+1)
18:00
Philadelphia
08:00
Sydney (+1)
21:00
Philadelphia
11:00
Sydney (+1)
00:00
Philadelphia
14:00
Sydney
03:00
Philadelphia
17:00
Sydney
Frequently Asked Questions
How many hours is Philadelphia behind Sydney?
Sydney is 14 hours ahead of Philadelphia. When it is 12:00 noon in Philadelphia, it is 02:00 in Sydney. Philadelphia operates on America/New York (UTC-4), while Sydney uses Australia/Sydney (UTC+10).
What is the best time to call Sydney from Philadelphia?
Standard business hours (9 AM–5 PM) do not overlap between Philadelphia and Sydney due to the 14 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Philadelphia to Sydney time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Philadelphia and Sydney
The distance between Philadelphia and Sydney is approximately 15,883 km. A direct flight typically takes around 19.7 hours. Your arrival clock will show local Sydney time — use our Flight Time Calculator to predict exact arrival times.