Sydney to Phoenix Time Difference
Phoenix is 18 hours behind Sydney. When it's 03:27:02 AM in Sydney, it's 09:27:02 AM in Phoenix.
How Many Hours Behind Is Phoenix From Sydney?
Phoenix is 18 hours behind Sydney. So Sydney is 18 hours ahead of Phoenix looking the other way — the same gap, described from the other end.
In practice that means a working day in Sydney starts when it is already 3:00 PM the previous day in Phoenix. 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 Sydney and Phoenix
Both cities are inside normal business hours between 9:00 AM and 11:00 AM in Sydney — that's 3:00 PM to 5:00 PM in Phoenix. That's a 2-hour window, so a call fits comfortably in either side's working day.
both at work Sydney only Phoenix only neither — hours shown along the strip are Sydney local time.
Convert a Specific Time
Pick any date and time in Sydney to see the exact equivalent in Phoenix.
Common Times Converted
Sydney time on the left, Phoenix time on the right.
Sydney to Phoenix: Full 24-Hour Conversion Table
Based on today, Monday, October 12, 2026 in Sydney. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Sydney | Phoenix | Working hours |
|---|---|---|
| 12:00 AM | 6:00 AM prev day | — |
| 1:00 AM | 7:00 AM prev day | — |
| 2:00 AM | 8:00 AM prev day | — |
| 3:00 AM | 9:00 AM prev day | Phoenix only |
| 4:00 AM | 10:00 AM prev day | Phoenix only |
| 5:00 AM | 11:00 AM prev day | Phoenix only |
| 6:00 AM | 12:00 PM prev day | Phoenix only |
| 7:00 AM | 1:00 PM prev day | Phoenix only |
| 8:00 AM | 2:00 PM prev day | Phoenix only |
| 9:00 AM | 3:00 PM prev day | Both cities |
| 10:00 AM | 4:00 PM prev day | Both cities |
| 11:00 AM | 5:00 PM prev day | Sydney only |
| 12:00 PM | 6:00 PM prev day | Sydney only |
| 1:00 PM | 7:00 PM prev day | Sydney only |
| 2:00 PM | 8:00 PM prev day | Sydney only |
| 3:00 PM | 9:00 PM prev day | Sydney only |
| 4:00 PM | 10:00 PM prev day | Sydney only |
| 5:00 PM | 11:00 PM prev day | — |
| 6:00 PM | 12:00 AM | — |
| 7:00 PM | 1:00 AM | — |
| 8:00 PM | 2:00 AM | — |
| 9:00 PM | 3:00 AM | — |
| 10:00 PM | 4:00 AM | — |
| 11:00 PM | 5:00 AM | — |
Understanding the Sydney – Phoenix Time Difference
Sydney runs on Australia/Sydney, currently AEDT (UTC+11:00). Phoenix runs on America/Phoenix, currently MST (UTC-7:00). 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 Australia · Daylight Saving Time in the United States.
Sydney today
Phoenix today
Frequently Asked Questions
What is the time difference between Sydney and Phoenix?
Phoenix is currently 18 hours behind Sydney. That gap becomes 17 hours on Sunday, April 4, 2027, when Sydney changes its clocks.
How many hours behind is Phoenix from Sydney?
Phoenix is 18 hours behind Sydney. Looking at it the other way, Sydney is 18 hours ahead of Phoenix.
What time is it in Phoenix when it is 9:00 AM in Sydney?
When it is 9:00 AM in Sydney, it is 3:00 PM the previous day in Phoenix.
Is Phoenix ahead of or behind Sydney?
Phoenix is 18 hours behind Sydney. Sydney reaches each point in the day first, so Phoenix is still getting started while the Sydney working day is finishing.
What is the best time to call between Sydney and Phoenix?
Between 9:00 AM and 11:00 AM Sydney time, which is 3:00 PM to 5:00 PM in Phoenix. Both cities are inside normal business hours during that window.
Does the time difference between Sydney and Phoenix 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 Sydney and Phoenix in?
Sydney uses the Australia/Sydney time zone, currently AEDT (UTC+11:00). Phoenix uses America/Phoenix, currently MST (UTC-7:00).