Time Difference between Sydney and Round Rock
Sydney (UTC+11) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 17:00 in Sydney, it's 01:00 in Round Rock
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Round Rock◐ 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
Sydney
14:00
Round Rock (-1)
09:00
Sydney
17:00
Round Rock (-1)
12:00
Sydney
20:00
Round Rock (-1)
15:00
Sydney
23:00
Round Rock (-1)
18:00
Sydney
02:00
Round Rock
21:00
Sydney
05:00
Round Rock
00:00
Sydney
08:00
Round Rock (-1)
03:00
Sydney
11:00
Round Rock (-1)
❓ Frequently Asked Questions
Time Difference Between Sydney and Round Rock
Sydney, Australia and Round Rock, United States are separated by a time difference of 16 hours. When it's noon in Sydney, it's 16 hours earlier in Round Rock.
Sydney operates on Australia/Sydney timezone, while Round Rock 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 Round Rock 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.