TimeToZone

AWST to MST Converter

MST is 15 hours behind AWST. 9:00 AM AWST = 6:00 PM MST (previous day).

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AWSTfrom
Australian Western Standard Time
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MST
Mountain Standard Time
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MST is 15 hours behind AWST at the moment. To convert AWST to MST, subtract 15 hours from the AWST time: 9:00 AM AWST = 6:00 PM MST (previous day).

AWST (Australian Western Time) is used in Western Australia (Perth). MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.

Most of Arizona uses MST all year and does not switch to MDT.

AWST to MST time conversion table

AWST to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

AWSTMSTDay
12:00 AM AWST9:00 AM MSTprevious day
1:00 AM AWST10:00 AM MSTprevious day
2:00 AM AWST11:00 AM MSTprevious day
3:00 AM AWST12:00 PM MSTprevious day
4:00 AM AWST1:00 PM MSTprevious day
5:00 AM AWST2:00 PM MSTprevious day
6:00 AM AWST3:00 PM MSTprevious day
7:00 AM AWST4:00 PM MSTprevious day
8:00 AM AWST5:00 PM MSTprevious day
9:00 AM AWST6:00 PM MSTprevious day
10:00 AM AWST7:00 PM MSTprevious day
11:00 AM AWST8:00 PM MSTprevious day
12:00 PM AWST9:00 PM MSTprevious day
1:00 PM AWST10:00 PM MSTprevious day
2:00 PM AWST11:00 PM MSTprevious day
3:00 PM AWST12:00 AM MSTnight
4:00 PM AWST1:00 AM MSTnight
5:00 PM AWST2:00 AM MSTnight
6:00 PM AWST3:00 AM MSTnight
7:00 PM AWST4:00 AM MSTnight
8:00 PM AWST5:00 AM MSTnight
9:00 PM AWST6:00 AM MST—
10:00 PM AWST7:00 AM MST—
11:00 PM AWST8:00 AM MST—
  • Work rows — 9 AM–5 PM in both places
  • Night in the destination (10 PM–6 AM)

How to convert AWST to MST

Subtract 15 hours from the AWST time to get MST.

Example: 9:00 AM AWST = 6:00 PM MST (previous day).

Across midnight: 1:00 AM AWST = 10:00 AM MST (previous day). The date changes, so always check the day as well as the hour.

Time difference between AWST and MST

The time difference between AWST and MST 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 – 7 Mar 2026: MST is 15 hours behind of AWST.
  • 8 Mar 2026 – 31 Oct 2026: MST is 14 hours behind of AWST.
  • 1 Nov 2026 – 31 Dec 2026: MST is 15 hours behind of AWST.

AWST and MST during daylight saving time

  • AWST does not observe daylight saving time; it stays on UTC+8 all year.
  • MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).

Best time for a meeting between AWST and MST

AWST and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AWST, which is 4:00 PM MST.

Plan a meeting across more time zones.

AWST to MST FAQ

What is the time difference between AWST and MST?

Right now MST is 15 hours behind AWST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM AWST in MST?

9:00 AM AWST is 6:00 PM MST (previous day).

What is 12 PM (noon) AWST in MST?

12:00 PM AWST is 9:00 PM MST (previous day).

Is MST ahead of or behind AWST?

MST is 15 hours behind AWST, so it is earlier in MST than in AWST.

Does AWST change for daylight saving time?

No. AWST stays on the same offset all year, so conversions never shift for daylight saving time.

Does MST change for daylight saving time?

Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.

What is the best time for a meeting between AWST and MST?

AWST and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM AWST, which is 4:00 PM MST.

Is MT the same as MST?

MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.

Related conversions

Convert MST to AWST

Convert AWST to other time zones

Convert other time zones to MST

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.