Australian Western Time to US Mountain Time
Convert times between Australian Western Time (AWST, UTC+8:00) and US Mountain Time (MST, UTC-7:00). US Mountain Time is 15 hours behind Australian Western Time in standard time. During daylight saving time this difference changes to 14 hours.
UTC+8:00→UTC-7:00 / -6:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Australian Western Time | AWST | UTC+8:00 | — | Australia |
| US Mountain Time | MST / MDT | UTC-7:00 | UTC-6:00 | United States |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (AWST → MST)
| Australian Western Time | US Mountain Time |
|---|---|
| 12:00 AM AWST | 9:00 AM (prev day) MST |
| 6:00 AM AWST | 3:00 PM (prev day) MST |
| 9:00 AM AWST | 6:00 PM (prev day) MST |
| 12:00 PM AWST | 9:00 PM (prev day) MST |
| 3:00 PM AWST | 12:00 AM MST |
| 6:00 PM AWST | 3:00 AM MST |
| 9:00 PM AWST | 6:00 AM MST |
Summer (DST) Conversion (AWST → MDT)
| Australian Western Time (summer) | US Mountain Time (summer) |
|---|---|
| 12:00 AM AWST | 10:00 AM (prev day) MDT |
| 6:00 AM AWST | 4:00 PM (prev day) MDT |
| 9:00 AM AWST | 7:00 PM (prev day) MDT |
| 12:00 PM AWST | 10:00 PM (prev day) MDT |
| 3:00 PM AWST | 1:00 AM MDT |
| 6:00 PM AWST | 4:00 AM MDT |
| 9:00 PM AWST | 7:00 AM MDT |
Daylight Saving Time (DST) Notes
- US Mountain Time observes DST. Clocks advance 1 hour to MDT (UTC-6:00) roughly from month 3 to 11.
- The offset difference shifts between 15h (standard) and 14h (DST season). Always verify the current offset using the live converter below.
Frequently Asked Questions
How do I convert AWST to MST?
Add (-15) hours to the AWST time to get MST. For example, 9:00 AM AWST = 6:00 PM MST.
What is the current UTC offset for Australian Western Time?
Australian Western Time is always UTC+8:00 (AWST) — it does not observe DST.
Is US Mountain Time ahead or behind Australian Western Time?
US Mountain Time is 15 hours behind Australian Western Time in standard time.
When is a good time to schedule a meeting between AWST and MST?
Due to the 15-hour difference, business-hours overlap may be limited. Use the live timezone converter to find a mutually convenient time.
Related Timezone Conversions
Australian Western Time → US Eastern TimeAWST / ESTAustralian Western Time → US Central TimeAWST / CSTAustralian Western Time → US Pacific TimeAWST / PSTAustralian Western Time → US Alaska TimeAWST / AKSTAustralian Western Time → Hawaii TimeAWST / HSTAustralian Western Time → Canada Atlantic TimeAWST / ASTAustralian Western Time → Australian Eastern TimeAWST / AESTAustralian Western Time → Australian Central TimeAWST / ACST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.