Australian Eastern Time to US Mountain Time
Convert times between Australian Eastern Time (AEST, UTC+10:00) and US Mountain Time (MST, UTC-7:00). US Mountain Time is 17 hours behind Australian Eastern Time in standard time.
UTC+10:00 / +11:00→UTC-7:00 / -6:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Australian Eastern Time | AEST / AEDT | UTC+10:00 | UTC+11:00 | 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 (AEST → MST)
| Australian Eastern Time | US Mountain Time |
|---|---|
| 12:00 AM AEST | 7:00 AM (prev day) MST |
| 6:00 AM AEST | 1:00 PM (prev day) MST |
| 9:00 AM AEST | 4:00 PM (prev day) MST |
| 12:00 PM AEST | 7:00 PM (prev day) MST |
| 3:00 PM AEST | 10:00 PM (prev day) MST |
| 6:00 PM AEST | 1:00 AM MST |
| 9:00 PM AEST | 4:00 AM MST |
Daylight Saving Time (DST) Notes
- Australian Eastern Time observes DST. Clocks advance 1 hour to AEDT (UTC+11:00) roughly from month 10 to 4.
- US Mountain Time observes DST. Clocks advance 1 hour to MDT (UTC-6:00) roughly from month 3 to 11.
Frequently Asked Questions
How do I convert AEST to MST?
Add (-17) hours to the AEST time to get MST. For example, 9:00 AM AEST = 4:00 PM MST.
What is the current UTC offset for Australian Eastern Time?
Australian Eastern Time is UTC+10:00 during standard time (AEST) and UTC+11:00 during summer daylight saving time (AEDT).
Is US Mountain Time ahead or behind Australian Eastern Time?
US Mountain Time is 17 hours behind Australian Eastern Time in standard time.
When is a good time to schedule a meeting between AEST and MST?
A good overlap window is around 9:00 AM AEST / 4:00 PM (prev day) MST, which falls within business hours for both timezones.
Related Timezone Conversions
Australian Eastern Time → US Eastern TimeAEST / ESTAustralian Eastern Time → US Central TimeAEST / CSTAustralian Eastern Time → US Pacific TimeAEST / PSTAustralian Eastern Time → US Alaska TimeAEST / AKSTAustralian Eastern Time → Hawaii TimeAEST / HSTAustralian Eastern Time → Canada Atlantic TimeAEST / ASTAustralian Eastern Time → Australian Central TimeAEST / ACSTAustralian Eastern Time → Australian Western TimeAEST / AWST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.