AEST to Phoenix Time Converter
MST is 18 hours behind AEDT. 9:00 AM AEDT = 3:00 PM MST (previous day).
MST is 18 hours behind AEDT at the moment. To convert AEST to Phoenix Time, subtract 18 hours from the AEST time: 9:00 AM AEDT = 3:00 PM MST (previous day).
AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year. Phoenix Time (Phoenix time) is used in Phoenix, USA.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
AEST to Phoenix Time time conversion table
AEST to Phoenix Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| AEST | Phoenix Time | Day |
|---|---|---|
| 12:00 AM AEDT | 6:00 AM MST | previous day |
| 1:00 AM AEDT | 7:00 AM MST | previous day |
| 2:00 AM AEDT | 8:00 AM MST | previous day |
| 3:00 AM AEDT | 9:00 AM MST | previous day |
| 4:00 AM AEDT | 10:00 AM MST | previous day |
| 5:00 AM AEDT | 11:00 AM MST | previous day |
| 6:00 AM AEDT | 12:00 PM MST | previous day |
| 7:00 AM AEDT | 1:00 PM MST | previous day |
| 8:00 AM AEDT | 2:00 PM MST | previous day |
| 9:00 AM AEDT | 3:00 PM MST | work hours |
| 10:00 AM AEDT | 4:00 PM MST | work hours |
| 11:00 AM AEDT | 5:00 PM MST | previous day |
| 12:00 PM AEDT | 6:00 PM MST | previous day |
| 1:00 PM AEDT | 7:00 PM MST | previous day |
| 2:00 PM AEDT | 8:00 PM MST | previous day |
| 3:00 PM AEDT | 9:00 PM MST | previous day |
| 4:00 PM AEDT | 10:00 PM MST | previous day |
| 5:00 PM AEDT | 11:00 PM MST | previous day |
| 6:00 PM AEDT | 12:00 AM MST | night |
| 7:00 PM AEDT | 1:00 AM MST | night |
| 8:00 PM AEDT | 2:00 AM MST | night |
| 9:00 PM AEDT | 3:00 AM MST | night |
| 10:00 PM AEDT | 4:00 AM MST | night |
| 11:00 PM AEDT | 5:00 AM MST | night |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert AEST to Phoenix Time
Subtract 18 hours from the AEST time to get Phoenix Time.
Example: 9:00 AM AEDT = 3:00 PM MST (previous day).
Across midnight: 1:00 AM AEDT = 7:00 AM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between AEST and Phoenix Time
The time difference between AEST and Phoenix Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 4 Apr 2026: Phoenix Time is 18 hours behind of AEST.
- 5 Apr 2026 – 3 Oct 2026: Phoenix Time is 17 hours behind of AEST.
- 4 Oct 2026 – 31 Dec 2026: Phoenix Time is 18 hours behind of AEST.
AEST and Phoenix Time during daylight saving time
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
- Phoenix Time does not observe daylight saving time; it stays on UTC−7 all year.
Best time for a meeting between AEST and Phoenix Time
AEST and Phoenix Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 1:00 PM MST.
AEST to Phoenix Time FAQ
What is the time difference between AEST and Phoenix Time?
Right now MST is 18 hours behind AEDT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM AEST in Phoenix Time?
9:00 AM AEDT is 3:00 PM MST (previous day).
What is 12 PM (noon) AEST in Phoenix Time?
12:00 PM AEDT is 6:00 PM MST (previous day).
Is Phoenix Time ahead of or behind AEST?
MST is 18 hours behind AEDT, so it is earlier in Phoenix Time than in AEST.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
Does Phoenix Time change for daylight saving time?
No. Phoenix Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between AEST and Phoenix Time?
AEST and Phoenix Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AEDT, which is 1:00 PM MST.
Related conversions
Convert Phoenix Time to AEST
Convert AEST to other time zones
Convert other time zones to Phoenix Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.