Time Difference between Round Rock and Sydney
Chicago (UTC-5) → Sydney (UTC+11)
🕐 Interactive Time Explorer
When it's 14:00 in Round Rock, it's 06:00 in Sydney
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Round Rock & Sydney◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
13,646 km
Est. Flight Time
~17.1h
Time Difference
+16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Round Rock
22:00
Sydney
09:00
Round Rock
01:00
Sydney (+1)
12:00
Round Rock
04:00
Sydney (+1)
15:00
Round Rock
07:00
Sydney (+1)
18:00
Round Rock
10:00
Sydney (+1)
21:00
Round Rock
13:00
Sydney (+1)
00:00
Round Rock
16:00
Sydney
03:00
Round Rock
19:00
Sydney
❓ Frequently Asked Questions
Time Difference Between Round Rock and Sydney
Round Rock, United States and Sydney, Australia are separated by a time difference of 16 hours. When it's noon in Round Rock, it's 16 hours later in Sydney.
Round Rock operates on America/Chicago 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 16 hours difference, finding overlapping business hours can be challenging.
Flight Considerations
The distance between Round Rock and Sydney is approximately 13,646 km. A direct flight typically takes around 17.1 hours. When traveling, remember that your arrival time will be in local time. Use our Flight Time Calculator for accurate arrival predictions.