Time difference
Adelaide to Sydney Time Difference
Sydney is 30 minutes ahead of Adelaide — when it's 12:00 PM in Adelaide, it's 12:30 PM in Sydney. (Adelaide (Australia/Adelaide, ACST); Sydney (Australia/Sydney, AEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Sydney is 30 minutes ahead of Adelaide. The best window for a call is 9 AM–4:30 PM in Adelaide, which is 9:30 AM–5 PM in Sydney — an overlap of 7 hours and 30 minutes inside 9 AM–5 PM on both sides. Adelaide and Sydney change their clocks together (or don't change at all), so the time difference between them stays the same all year.
- When it's 9:00 AM in Adelaide, it's 9:30 AM in Sydney.
- When it's 9:00 AM in Sydney, it's 8:30 AM in Adelaide.
Sydney is currently 30 minutes ahead of Adelaide.
Interactive converter
12:00PM
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Best times to meet
The 9 AM – 5 PM business windows in Adelaide and Sydney overlap for 7 hours and 30 minutes. 9 AM–4:30 PM in Adelaide is 9:30 AM–5 PM in Sydney. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Adelaide | Sydney |
|---|---|
| 12 AM | 12:30 AM |
| 1 AM | 1:30 AM |
| 2 AM | 2:30 AM |
| 3 AM | 3:30 AM |
| 4 AM | 4:30 AM |
| 5 AM | 5:30 AM |
| 6 AM | 6:30 AM |
| 7 AM | 7:30 AM |
| 8 AM | 8:30 AM |
| 9 AM | 9:30 AM |
| 10 AM | 10:30 AM |
| 11 AM | 11:30 AM |
| 12 PM | 12:30 PM |
| 1 PM | 1:30 PM |
| 2 PM | 2:30 PM |
| 3 PM | 3:30 PM |
| 4 PM | 4:30 PM |
| 5 PM | 5:30 PM |
| 6 PM | 6:30 PM |
| 7 PM | 7:30 PM |
| 8 PM | 8:30 PM |
| 9 PM | 9:30 PM |
| 10 PM | 10:30 PM |
| 11 PM | 11:30 PM |
Daylight saving
On October 4, 2026, both Adelaide and Sydney shift for daylight saving. After that, Sydney will be 30 minutes ahead of Adelaide (currently 30 minutes ahead of Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.
- Adelaide is not currently observing daylight saving time (standard time is in effect).
- Sydney is not currently observing daylight saving time (standard time is in effect).
Frequently asked questions
- Is Sydney ahead of or behind Adelaide?
- Sydney is 30 minutes ahead of Adelaide.
- How many hours ahead of Adelaide is Sydney?
- Sydney is 30 minutes ahead of Adelaide.
- What time is 9 AM in Adelaide in Sydney?
- 9:00 AM in Adelaide is 9:30 AM in Sydney.
- What time is noon in Adelaide in Sydney?
- 12:00 PM in Adelaide is 12:30 PM in Sydney.
- What time is 5 PM in Adelaide in Sydney?
- 5:00 PM in Adelaide is 5:30 PM in Sydney. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Adelaide in Sydney?
- 3:00 PM in Adelaide is 3:30 PM in Sydney.
- Is Adelaide currently observing daylight saving time?
- Adelaide observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
- Is Sydney currently observing daylight saving time?
- Sydney observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
- Do Adelaide and Sydney observe daylight saving?
- On October 4, 2026, both Adelaide and Sydney shift for daylight saving. After that, Sydney will be 30 minutes ahead of Adelaide (currently 30 minutes ahead of Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Sydney from Adelaide?
- Aim for 9 AM–4:30 PM in Adelaide, which is 9:30 AM–5 PM in Sydney.
- When is the best time to call Adelaide from Sydney?
- Aim for 9:30 AM–5 PM in Sydney, which is 9 AM–4:30 PM in Adelaide.
- Adelaide (ACST) to Sydney (AEST) — how do I convert quickly?
- Add 30 minutes to Adelaide local time to get Sydney local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Adelaide to New York
- Adelaide to London
- Adelaide to Tokyo
- Adelaide to Dubai
- Adelaide to Singapore
- Adelaide to Los Angeles
- Adelaide to Paris
- Adelaide to Mumbai
- Adelaide to Hong Kong
- Adelaide to San Francisco