Time Difference between Sydney and Naperville
Sydney (UTC+11) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 15:00 in Sydney, it's 23:00 in Naperville
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Naperville◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
14,832 km
Est. Flight Time
~18.4h
Time Difference
-16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Sydney
14:00
Naperville (-1)
09:00
Sydney
17:00
Naperville (-1)
12:00
Sydney
20:00
Naperville (-1)
15:00
Sydney
23:00
Naperville (-1)
18:00
Sydney
02:00
Naperville
21:00
Sydney
05:00
Naperville
00:00
Sydney
08:00
Naperville (-1)
03:00
Sydney
11:00
Naperville (-1)
❓ Frequently Asked Questions
Time Difference Between Sydney and Naperville
Sydney, Australia and Naperville, United States are separated by a time difference of 16 hours. When it's noon in Sydney, it's 16 hours earlier in Naperville.
Sydney operates on Australia/Sydney timezone, while Naperville uses America/Chicago. 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 16 hours difference, finding overlapping business hours can be challenging.
Flight Considerations
The distance between Sydney and Naperville is approximately 14,832 km. A direct flight typically takes around 18.4 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.