18 hours behind AEST
MST compared with AEST, right now. Swap: MST to AEST ⇄
Australian Eastern Time is on AEDT now, so the clocks above show daylight time. Using strict standard time (AEST UTC+10, MST UTC−7), MST is 17 hours behind AEST.
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For Tuesday, November 3, 2026. Rows where both places are inside 9 AM–5 PM are highlighted.
| AEST | MST |
|---|---|
| 12:00 AM | 6:00 AM (previous day) |
| 1:00 AM | 7:00 AM (previous day) |
| 2:00 AM | 8:00 AM (previous day) |
| 3:00 AM | 9:00 AM (previous day) |
| 4:00 AM | 10:00 AM (previous day) |
| 5:00 AM | 11:00 AM (previous day) |
| 6:00 AM | 12:00 PM (previous day) |
| 7:00 AM | 1:00 PM (previous day) |
| 8:00 AM | 2:00 PM (previous day) |
| 9:00 AM | 3:00 PM (previous day) |
| 10:00 AM | 4:00 PM (previous day) |
| 11:00 AM | 5:00 PM (previous day) |
| 12:00 PM | 6:00 PM (previous day) |
| 1:00 PM | 7:00 PM (previous day) |
| 2:00 PM | 8:00 PM (previous day) |
| 3:00 PM | 9:00 PM (previous day) |
| 4:00 PM | 10:00 PM (previous day) |
| 5:00 PM | 11:00 PM (previous day) |
| 6:00 PM | 12:00 AM |
| 7:00 PM | 1:00 AM |
| 8:00 PM | 2:00 AM |
| 9:00 PM | 3:00 AM |
| 10:00 PM | 4:00 AM |
| 11:00 PM | 5:00 AM |
Australian Eastern Time (AEST/AEDT). Sydney, Melbourne, Canberra and Hobart (with daylight saving from October to April) and Brisbane (without). AEST is UTC+10; AEDT is UTC+11.
Sunday, April 4, 2027: clocks go back 1 hour at 3:00 AM local time (UTC+11 → UTC+10).
Mountain Time (MST/MDT). Denver, Salt Lake City, Albuquerque, Boise and Calgary. MST is UTC−7; in summer most of the region uses MDT, UTC−6. Most of Arizona stays on MST all year.
Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6).
The current difference is shown at the top of this page. AEST uses Australian Eastern Standard Time (AEST, UTC+10) as standard time and Australian Eastern Daylight Time (AEDT, UTC+11) during daylight saving time; MST uses Mountain Standard Time (MST, UTC−7) as standard time and Mountain Daylight Time (MDT, UTC−6) during daylight saving time. The difference can change if only one side observes daylight saving time or if their clocks change on different dates. Choose your meeting date in the converter to check the applicable offset.
On Tuesday, November 3, 2026, 9:00 AM in AEST was 3:00 PM (previous day) in MST. The conversion table above shows today’s values.
AEST: Sunday, April 4, 2027: clocks go back 1 hour at 3:00 AM local time (UTC+11 → UTC+10). MST: Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−7 → UTC−6).
AEST is the standard-time name and AEDT the daylight-saving name for Australian Eastern Time. People often say AEST all year; this converter uses the time actually in effect on the date you choose.
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