Clockjumper

Time difference

Phoenix to Sydney Time Difference

Sydney is 17 hours ahead of Phoenix — when it's 12:00 PM in Phoenix, it's 5:00 AM the next day in Sydney. (Phoenix (America/Phoenix, MST); Sydney (Australia/Sydney, AEST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Sydney is 17 hours ahead of Phoenix. The best window for a call is 4 PM–5 PM in Phoenix, which is 9 AM–10 AM in Sydney — a 1-hour overlap inside 9 AM–5 PM on both sides. Clocks change on October 4, 2026, which briefly shifts the gap between Phoenix and Sydney — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in Phoenix, it's 2:00 AM the next day in Sydney.
  • When it's 9:00 AM in Sydney, it's 4:00 PM the previous day in Phoenix.

Sydney is currently 17 hours ahead of Phoenix.

PhoenixMST
1:36 PM
Sunday, Aug 23
SydneyAEST
6:36 AM
Monday, Aug 24

Interactive converter

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12:00PM

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Best times to meet

The 9 AM – 5 PM business windows in Phoenix and Sydney overlap for 1 hour. 4 PM5 PM in Phoenix is 9 AM10 AM in Sydney. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

PhoenixSydney
12 AM5:00 PM
1 AM6:00 PM
2 AM7:00 PM
3 AM8:00 PM
4 AM9:00 PM
5 AM10:00 PM
6 AM11:00 PM
7 AM12:00 AM (next day)
8 AM1:00 AM (next day)
9 AM2:00 AM (next day)
10 AM3:00 AM (next day)
11 AM4:00 AM (next day)
12 PM5:00 AM (next day)
1 PM6:00 AM (next day)
2 PM7:00 AM (next day)
3 PM8:00 AM (next day)
4 PM9:00 AM (next day)
5 PM10:00 AM (next day)
6 PM11:00 AM (next day)
7 PM12:00 PM (next day)
8 PM1:00 PM (next day)
9 PM2:00 PM (next day)
10 PM3:00 PM (next day)
11 PM4:00 PM (next day)

Daylight saving

On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 18 hours ahead of Phoenix (currently 17 hours ahead of Phoenix). The converter and the tables above always reflect the correct offset for the date you pick.

  • Phoenix does not observe 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 Phoenix?
Sydney is 17 hours ahead of Phoenix.
How many hours ahead of Phoenix is Sydney?
Sydney is 17 hours ahead of Phoenix.
What time is 9 AM in Phoenix in Sydney?
9:00 AM in Phoenix is 2:00 AM the next day in Sydney.
What time is noon in Phoenix in Sydney?
12:00 PM in Phoenix is 5:00 AM the next day in Sydney.
What time is 5 PM in Phoenix in Sydney?
5:00 PM in Phoenix is 10:00 AM the next day in Sydney. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Phoenix in Sydney?
3:00 PM in Phoenix is 8:00 AM the next day in Sydney.
Is Phoenix currently observing daylight saving time?
Phoenix does not observe daylight saving time — its UTC offset stays the same all year.
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 Phoenix and Sydney observe daylight saving?
On October 4, 2026, Sydney shifts for daylight saving. After that, Sydney will be 18 hours ahead of Phoenix (currently 17 hours ahead of Phoenix). 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 Phoenix?
Aim for 4 PM–5 PM in Phoenix, which is 9 AM–10 AM in Sydney.
When is the best time to call Phoenix from Sydney?
Aim for 9 AM–10 AM in Sydney, which is 4 PM–5 PM in Phoenix.
Phoenix (MST) to Sydney (AEST) — how do I convert quickly?
Add 17 hours to Phoenix 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.