When it is 12:00 PM in Round Rock, it is 3:00 AM the next day in Sydney.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
Round Rock is 15 hours behind Sydney.
🕐 Add 15 hours to Round Rock time to get Sydney time.
Round Rock uses 5 hours behind Universal Time (UTC-5) and Sydney uses 10 hours ahead of Universal Time (UTC+1).
| Round Rock Time | Sydney Time | |
|---|---|---|
| 12 AM Round Rock Time | ↔ | ☼ 3 PM Sydney Time |
| 1 AM Round Rock Time | ↔ | ☼ 4 PM Sydney Time |
| 2 AM Round Rock Time | ↔ | 5 PM Sydney Time |
| 3 AM Round Rock Time | ↔ | 6 PM Sydney Time |
| 4 AM Round Rock Time | ↔ | 7 PM Sydney Time |
| 5 AM Round Rock Time | ↔ | 8 PM Sydney Time |
| ☼ 6 AM Round Rock Time | ↔ | 9 PM Sydney Time |
| ☼ 7 AM Round Rock Time | ↔ | 10 PM Sydney Time |
| ☼ 8 AM Round Rock Time | ↔ | 11 PM Sydney Time |
| ☼ 9 AM Round Rock Time | ↔ | 12 AM Sydney Time |
| ☼ 10 AM Round Rock Time | ↔ | 1 AM Sydney Time |
| ☼ 11 AM Round Rock Time | ↔ | 2 AM Sydney Time |
| Round Rock Time | Sydney Time | |
|---|---|---|
| ☼ 12 PM Round Rock Time | ↔ | 3 AM Sydney Time |
| ☼ 1 PM Round Rock Time | ↔ | 4 AM Sydney Time |
| ☼ 2 PM Round Rock Time | ↔ | 5 AM Sydney Time |
| ☼ 3 PM Round Rock Time | ↔ | 6 AM Sydney Time |
| ☼ 4 PM Round Rock Time | ↔ | ☼ 7 AM Sydney Time |
| ☼ 5 PM Round Rock Time | ↔ | ☼ 8 AM Sydney Time |
| ☼ 6 PM Round Rock Time | ↔ | ☼ 9 AM Sydney Time |
| ☼ 7 PM Round Rock Time | ↔ | ☼ 10 AM Sydney Time |
| ☼ 8 PM Round Rock Time | ↔ | ☼ 11 AM Sydney Time |
| 9 PM Round Rock Time | ↔ | ☼ 12 PM Sydney Time |
| 10 PM Round Rock Time | ↔ | ☼ 1 PM Sydney Time |
| 11 PM Round Rock Time | ↔ | ☼ 2 PM Sydney Time |
Round Rock is 15 hours behind Sydney.
Round Rock is behind Sydney by 15 hours.
It is 12:00 AM the next day in Sydney.