The time difference between South Texas and Sydney is 15 hours. When it is 12:00 noon in South Texas, it is 03:00 in Sydney. South Texas uses the America/Chicago time zone (UTC-5), while Sydney uses Australia/Sydney (UTC+10).
| Detail | South Texas | Sydney |
|---|---|---|
| Time Zone ID | America/Chicago | Australia/Sydney |
| UTC Offset | UTC-5 | UTC+10 |
| Abbreviation | CDT | AEST |
| DST Active | Yes — currently observing | No |
| Country | United States | Australia |
| Region | Texas | Oceania |
With a 15 hours gap, there is no standard business-hours overlap between South Texas and Sydney. One party will need to adjust their schedule. Early mornings in Sydney or late evenings in South Texas tend to be the most practical compromise.
Use this table to quickly convert any hour from South Texas time to Sydney time. Rows highlighted in green indicate overlapping business hours in both cities.
| South Texas | Sydney | |
|---|---|---|
| 00:00 | 15:00 | Night |
| 01:00 | 16:00 | Night |
| 02:00 | 17:00 | Night |
| 03:00 | 18:00 | Night |
| 04:00 | 19:00 | Night |
| 05:00 | 20:00 | Night |
| 06:00 | 21:00 | |
| 07:00 | 22:00 | |
| 08:00 | 23:00 | |
| 09:00 | 00:00 (+1 day) | |
| 10:00 | 01:00 (+1 day) | |
| 11:00 | 02:00 (+1 day) | |
| 12:00 | 03:00 (+1 day) | |
| 13:00 | 04:00 (+1 day) | |
| 14:00 | 05:00 (+1 day) | |
| 15:00 | 06:00 (+1 day) | |
| 16:00 | 07:00 (+1 day) | |
| 17:00 | 08:00 (+1 day) | |
| 18:00 | 09:00 (+1 day) | |
| 19:00 | 10:00 (+1 day) | |
| 20:00 | 11:00 (+1 day) | |
| 21:00 | 12:00 (+1 day) | |
| 22:00 | 13:00 (+1 day) | Night |
| 23:00 | 14:00 (+1 day) | Night |
South Texas is currently observing daylight saving time, while Sydney is on standard time. When South Texas switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 15 hours. Sydney is 15 hours ahead of South Texas.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 15 hours to South Texas time to get Sydney time. Use the hour-by-hour table above for a quick reference.