Time difference
Sydney to Vienna Time Difference
Vienna is 9 hours behind Sydney — when it's 12:00 PM in Sydney, it's 3:00 AM in Vienna. (Sydney (Australia/Sydney, AEDT); Vienna (Europe/Vienna, CEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Vienna is 9 hours behind Sydney. Standard 9 AM–5 PM business hours in Sydney and Vienna do not overlap, so a live call needs one side outside normal hours. Clocks change on October 25, 2026, which briefly shifts the gap between Sydney and Vienna — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Sydney, it's 12:00 AM in Vienna.
- When it's 9:00 AM in Vienna, it's 6:00 PM in Sydney.
Vienna is currently 9 hours behind Sydney.
Interactive converter
12:00PM
Select both cities to see the converted time.
Best times to meet
Standard 9 AM – 5 PM hours in Sydney and Vienna do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Sydney, or a 6–8 PM meeting in Vienna.
Quick conversion table
| Sydney | Vienna |
|---|---|
| 12 AM | 3:00 PM (prev day) |
| 1 AM | 4:00 PM (prev day) |
| 2 AM | 5:00 PM (prev day) |
| 3 AM | 6:00 PM (prev day) |
| 4 AM | 7:00 PM (prev day) |
| 5 AM | 8:00 PM (prev day) |
| 6 AM | 9:00 PM (prev day) |
| 7 AM | 10:00 PM (prev day) |
| 8 AM | 11:00 PM (prev day) |
| 9 AM | 12:00 AM |
| 10 AM | 1:00 AM |
| 11 AM | 2:00 AM |
| 12 PM | 3:00 AM |
| 1 PM | 4:00 AM |
| 2 PM | 5:00 AM |
| 3 PM | 6:00 AM |
| 4 PM | 7:00 AM |
| 5 PM | 8:00 AM |
| 6 PM | 9:00 AM |
| 7 PM | 10:00 AM |
| 8 PM | 11:00 AM |
| 9 PM | 12:00 PM |
| 10 PM | 1:00 PM |
| 11 PM | 2:00 PM |
Daylight saving
On October 25, 2026, Vienna shifts for daylight saving. After that, Vienna will be 10 hours behind Sydney (currently 9 hours behind Sydney). The converter and the tables above always reflect the correct offset for the date you pick.
- Sydney is currently observing daylight saving time.
- Vienna is currently observing daylight saving time.
Frequently asked questions
- Is Vienna ahead of or behind Sydney?
- Vienna is 9 hours behind Sydney.
- How many hours behind Sydney is Vienna?
- Vienna is 9 hours behind Sydney.
- What time is 9 AM in Sydney in Vienna?
- 9:00 AM in Sydney is 12:00 AM in Vienna.
- What time is noon in Sydney in Vienna?
- 12:00 PM in Sydney is 3:00 AM in Vienna.
- What time is 5 PM in Sydney in Vienna?
- 5:00 PM in Sydney is 8:00 AM in Vienna. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Sydney in Vienna?
- 3:00 PM in Sydney is 6:00 AM in Vienna.
- Is Sydney currently observing daylight saving time?
- Sydney is currently observing daylight saving time (summer time).
- Is Vienna currently observing daylight saving time?
- Vienna is currently observing daylight saving time (summer time).
- Do Sydney and Vienna observe daylight saving?
- On October 25, 2026, Vienna shifts for daylight saving. After that, Vienna will be 10 hours behind Sydney (currently 9 hours behind Sydney). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Vienna from Sydney?
- Sydney and Vienna business hours don't overlap. The closest options are early mornings in Sydney or late evenings, when one side stretches outside 9–5.
- When is the best time to call Sydney from Vienna?
- Vienna and Sydney business hours don't overlap. The closest options are early mornings in Vienna or late evenings, when one side stretches outside 9–5.
- Sydney (AEDT) to Vienna (CEST) — how do I convert quickly?
- Subtract 9 hours from Sydney local time to get Vienna local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
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