The time difference between Adelaide and Sydney is 30 minutes. When it is 12:00 noon in Adelaide, it is 12:30 in Sydney. Adelaide uses the Australia/Adelaide time zone (UTC+10:30), while Sydney uses Australia/Sydney (UTC+11).
There are 7 overlapping business hours between Adelaide and Sydney (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 Adelaide time to Sydney time. Rows highlighted in green indicate overlapping business hours in both cities.
| Adelaide | Sydney | |
|---|---|---|
| 00:00 | 00:30 | Night |
| 01:00 | 01:30 | Night |
| 02:00 | 02:30 | Night |
| 03:00 | 03:30 | Night |
| 04:00 | 04:30 | Night |
| 05:00 | 05:30 | Night |
| 06:00 | 06:30 | |
| 07:00 | 07:30 | |
| 08:00 | 08:30 | |
| 09:00 | 09:30 | Overlap |
| 10:00 | 10:30 | Overlap |
| 11:00 | 11:30 | Overlap |
| 12:00 | 12:30 | Overlap |
| 13:00 | 13:30 | Overlap |
| 14:00 | 14:30 | Overlap |
| 15:00 | 15:30 | Overlap |
| 16:00 | 16:30 | Overlap |
| 17:00 | 17:30 | |
| 18:00 | 18:30 | |
| 19:00 | 19:30 | |
| 20:00 | 20:30 | |
| 21:00 | 21:30 | |
| 22:00 | 22:30 | Night |
| 23:00 | 23:30 | Night |
Both Adelaide and Sydney 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. Sydney is 30 minutes ahead of Adelaide.
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 09:00 and 16:30 Adelaide time, which corresponds to 09:30–17:00 in Sydney. Both sides fall within normal business hours.
Add 30 minutes to Adelaide time to get Sydney 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.