Phoenix to Sydney Time Difference
Sydney is 18 hours ahead of Phoenix. When it's 09:27:01 AM in Phoenix, it's 03:27:01 AM in Sydney.
How Many Hours Ahead Is Sydney From Phoenix?
Sydney is 18 hours ahead of Phoenix. So Phoenix is 18 hours behind Sydney looking the other way — the same gap, described from the other end.
In practice that means a working day in Phoenix starts when it is already 3:00 AM the next day in Sydney. The gap is not fixed all year: it becomes 17 hours on Sunday, April 4, 2027, when Sydney changes its clocks.
Best Time to Call Phoenix and Sydney
Both cities are inside normal business hours between 3:00 PM and 5:00 PM in Phoenix — that's 9:00 AM to 11:00 AM in Sydney. That's a 2-hour window, so a call fits comfortably in either side's working day.
both at work Phoenix only Sydney only neither — hours shown along the strip are Phoenix local time.
Convert a Specific Time
Pick any date and time in Phoenix to see the exact equivalent in Sydney.
Common Times Converted
Phoenix time on the left, Sydney time on the right.
Phoenix to Sydney: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Phoenix. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Phoenix | Sydney | Working hours |
|---|---|---|
| 12:00 AM | 6:00 PM | — |
| 1:00 AM | 7:00 PM | — |
| 2:00 AM | 8:00 PM | — |
| 3:00 AM | 9:00 PM | — |
| 4:00 AM | 10:00 PM | — |
| 5:00 AM | 11:00 PM | — |
| 6:00 AM | 12:00 AM next day | — |
| 7:00 AM | 1:00 AM next day | — |
| 8:00 AM | 2:00 AM next day | — |
| 9:00 AM | 3:00 AM next day | Phoenix only |
| 10:00 AM | 4:00 AM next day | Phoenix only |
| 11:00 AM | 5:00 AM next day | Phoenix only |
| 12:00 PM | 6:00 AM next day | Phoenix only |
| 1:00 PM | 7:00 AM next day | Phoenix only |
| 2:00 PM | 8:00 AM next day | Phoenix only |
| 3:00 PM | 9:00 AM next day | Both cities |
| 4:00 PM | 10:00 AM next day | Both cities |
| 5:00 PM | 11:00 AM next day | Sydney only |
| 6:00 PM | 12:00 PM next day | Sydney only |
| 7:00 PM | 1:00 PM next day | Sydney only |
| 8:00 PM | 2:00 PM next day | Sydney only |
| 9:00 PM | 3:00 PM next day | Sydney only |
| 10:00 PM | 4:00 PM next day | Sydney only |
| 11:00 PM | 5:00 PM next day | — |
Understanding the Phoenix – Sydney Time Difference
Phoenix runs on America/Phoenix, currently MST (UTC-7:00). Sydney runs on Australia/Sydney, currently AEDT (UTC+11:00). The gap of 18 hours is simply the distance between those two offsets.
Sydney observes Daylight Saving Time and Phoenix does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, April 4, 2027, when Sydney adjusts its clocks and the difference becomes 17 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States · Daylight Saving Time in Australia.
Phoenix today
Sydney today
Frequently Asked Questions
What is the time difference between Phoenix and Sydney?
Sydney is currently 18 hours ahead of Phoenix. That gap becomes 17 hours on Sunday, April 4, 2027, when Sydney changes its clocks.
How many hours ahead is Sydney from Phoenix?
Sydney is 18 hours ahead of Phoenix. Looking at it the other way, Phoenix is 18 hours behind Sydney.
What time is it in Sydney when it is 9:00 AM in Phoenix?
When it is 9:00 AM in Phoenix, it is 3:00 AM the next day in Sydney.
Is Sydney ahead of or behind Phoenix?
Sydney is 18 hours ahead of Phoenix. Sydney reaches each point in the day first, so its working day is already finishing while Phoenix is still getting started.
What is the best time to call between Phoenix and Sydney?
Between 3:00 PM and 5:00 PM Phoenix time, which is 9:00 AM to 11:00 AM in Sydney. Both cities are inside normal business hours during that window.
Does the time difference between Phoenix and Sydney change during the year?
Yes. Sydney observes Daylight Saving Time and Phoenix does not, so the gap between them shifts during the year. It changes to 17 hours on Sunday, April 4, 2027.
What time zones are Phoenix and Sydney in?
Phoenix uses the America/Phoenix time zone, currently MST (UTC-7:00). Sydney uses Australia/Sydney, currently AEDT (UTC+11:00).