AEST to MST converter
Australian Eastern Time (AEST) is typically 17 hours ahead of Mountain Time (MST).
Australian Eastern Time → Mountain Time, hour by hour below.
Loading current times…
Australian Eastern Time (AEST) is UTC+10 and observes daylight saving (AEDT, UTC+11, roughly October–April). It covers Sydney, Melbourne and Canberra.
Mountain Time (MST) is UTC−7 and observes daylight saving (MDT, UTC−6, roughly March–November). It covers Denver, Salt Lake City and Calgary.
Mountain Time is typically 17 hours behind Australian Eastern Time, though daylight saving can shift the difference by an hour at some times of year.
Time difference between Australian Eastern Time and Mountain Time
Mountain Time is typically 17 hours behind Australian Eastern Time, though daylight saving can shift the difference by an hour at some times of year. Put the other way around: mountain Time (MST) is typically 17 hours behind Australian Eastern Time (AEST). The table above shows the difference hour by hour using today's actual offsets.
Best time to call Mountain Time from Australian Eastern Time
There's no 9-to-5 overlap between Australian Eastern Time and Mountain Time, so one side always has to flex. The practical slots: 9:00 AM in Australian Eastern Time is 4:00 PM in Mountain Time. Daylight saving can shift these times by an hour at some points in the year.
AEST to MST, hour by hour
Today's actual offsets. Rows where both zones are inside 9am–5pm working hours are highlighted.