The time difference between Sydney and Adelaide is 30 minutes. When it is 12:00 noon in Sydney, it is 11:30 in Adelaide. Sydney uses the Australia/Sydney time zone (UTC+11), while Adelaide uses Australia/Adelaide (UTC+10:30).
There are 7 overlapping business hours between Sydney and Adelaide (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:
Use this table to quickly convert any hour from Sydney time to Adelaide time. Rows highlighted in green indicate overlapping business hours in both cities.
| Sydney | Adelaide | |
|---|---|---|
| 00:00 | 23:30 (-1 day) | Night |
| 01:00 | 00:30 | Night |
| 02:00 | 01:30 | Night |
| 03:00 | 02:30 | Night |
| 04:00 | 03:30 | Night |
| 05:00 | 04:30 | Night |
| 06:00 | 05:30 | |
| 07:00 | 06:30 | |
| 08:00 | 07:30 | |
| 09:00 | 08:30 | |
| 10:00 | 09:30 | Overlap |
| 11:00 | 10:30 | Overlap |
| 12:00 | 11:30 | Overlap |
| 13:00 | 12:30 | Overlap |
| 14:00 | 13:30 | Overlap |
| 15:00 | 14:30 | Overlap |
| 16:00 | 15:30 | Overlap |
| 17:00 | 16:30 | |
| 18:00 | 17:30 | |
| 19:00 | 18:30 | |
| 20:00 | 19:30 | |
| 21:00 | 20:30 | |
| 22:00 | 21:30 | Night |
| 23:00 | 22:30 | Night |
Both Sydney and Adelaide are currently observing daylight saving time. The current 30 minutes difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.
The time difference is 30 minutes. Adelaide is 30 minutes behind Sydney.
Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.
The best window is between 09:30 and 17:00 Sydney time, which corresponds to 09:00–16:30 in Adelaide. Both sides fall within normal business hours.
Subtract 30 minutes from Sydney time to get Adelaide time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.