Time difference
Austin to Sydney Time Difference
Sydney is 15 hours ahead of Austin — when it's 12:00 PM in Austin, it's 3:00 AM the next day in Sydney. (Austin (America/Chicago, CDT); 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 15 hours ahead of Austin. Standard 9 AM–5 PM business hours in Austin and Sydney do not overlap, so a live call needs one side outside normal hours. Clocks change on October 4, 2026, which briefly shifts the gap between Austin and Sydney — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Austin, it's 12:00 AM the next day in Sydney.
- When it's 9:00 AM in Sydney, it's 6:00 PM the previous day in Austin.
Sydney is currently 15 hours ahead of Austin.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Austin and Sydney 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 Austin, or a 6–8 PM meeting in Sydney.
Quick conversion table
| Austin | Sydney |
|---|---|
| 12 AM | 3:00 PM |
| 1 AM | 4:00 PM |
| 2 AM | 5:00 PM |
| 3 AM | 6:00 PM |
| 4 AM | 7:00 PM |
| 5 AM | 8:00 PM |
| 6 AM | 9:00 PM |
| 7 AM | 10:00 PM |
| 8 AM | 11:00 PM |
| 9 AM | 12:00 AM (next day) |
| 10 AM | 1:00 AM (next day) |
| 11 AM | 2:00 AM (next day) |
| 12 PM | 3:00 AM (next day) |
| 1 PM | 4:00 AM (next day) |
| 2 PM | 5:00 AM (next day) |
| 3 PM | 6:00 AM (next day) |
| 4 PM | 7:00 AM (next day) |
| 5 PM | 8:00 AM (next day) |
| 6 PM | 9:00 AM (next day) |
| 7 PM | 10:00 AM (next day) |
| 8 PM | 11:00 AM (next day) |
| 9 PM | 12:00 PM (next day) |
| 10 PM | 1:00 PM (next day) |
| 11 PM | 2:00 PM (next day) |
Daylight saving
On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 16 hours ahead of Austin (currently 15 hours ahead of Austin). The converter and the tables above always reflect the correct offset for the date you pick.
- Austin is currently observing daylight saving time.
- Sydney is not currently observing daylight saving time (standard time is in effect).
Frequently asked questions
- Is Sydney ahead of or behind Austin?
- Sydney is 15 hours ahead of Austin.
- How many hours ahead of Austin is Sydney?
- Sydney is 15 hours ahead of Austin.
- What time is 9 AM in Austin in Sydney?
- 9:00 AM in Austin is 12:00 AM the next day in Sydney.
- What time is noon in Austin in Sydney?
- 12:00 PM in Austin is 3:00 AM the next day in Sydney.
- What time is 5 PM in Austin in Sydney?
- 5:00 PM in Austin is 8:00 AM the next day in Sydney. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Austin in Sydney?
- 3:00 PM in Austin is 6:00 AM the next day in Sydney.
- Is Austin currently observing daylight saving time?
- Austin is currently observing daylight saving time (summer time).
- 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 Austin and Sydney observe daylight saving?
- On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 16 hours ahead of Austin (currently 15 hours ahead of Austin). 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 Austin?
- Austin and Sydney business hours don't overlap. The closest options are early mornings in Austin or late evenings, when one side stretches outside 9–5.
- When is the best time to call Austin from Sydney?
- Sydney and Austin business hours don't overlap. The closest options are early mornings in Sydney or late evenings, when one side stretches outside 9–5.
- Austin (CDT) to Sydney (AEST) — how do I convert quickly?
- Add 15 hours to Austin 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
- Austin to New York
- Austin to London
- Austin to Tokyo
- Austin to Dubai
- Austin to Singapore
- Austin to Los Angeles
- Austin to Paris
- Austin to Mumbai
- Austin to Hong Kong
- Austin to San Francisco