World Timezones

MST to AEST Converter

Compare AEST to MST instead

Search above to add a time zone or city

Offset

16 hours

Mountain Time (MST) is currently behind Australian Eastern Time (AEST).

MST: UTC-6

AEST: UTC+10

Mountain Time is currently observing daylight saving time; Australian Eastern Time is not.

When to schedule

Business-hours overlap: 5 PM–6 PM in Mountain Time (9 AM–10 AM the next day in Australian Eastern Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 5:00 PM Mountain Time (9:00 AM Australian Eastern Time).

This window may shift by an hour during daylight saving time.

About these zones

Mountain Time is also known as MST, or MDT.

Australian Eastern Time is also known as AEST, or AEDT.

Mountain Time and Australian Eastern Time are approximately 8,350 miles apart.

Quick reference

Full 24-hour conversion table.

MSTAESTDay
12:00 am4:00 pm-1 day
1:00 am5:00 pm-1 day
2:00 am6:00 pm-1 day
3:00 am7:00 pm-1 day
4:00 am8:00 pm-1 day
5:00 am9:00 pm-1 day
6:00 am10:00 pm-1 day
7:00 am11:00 pm-1 day
8:00 am12:00 amSame day
9:00 am1:00 amSame day
10:00 am2:00 amSame day
11:00 am3:00 amSame day
12:00 pm4:00 amSame day
1:00 pm5:00 amSame day
2:00 pm6:00 amSame day
3:00 pm7:00 amSame day
4:00 pm8:00 amSame day
5:00 pm9:00 amSame day
6:00 pm10:00 amSame day
7:00 pm11:00 amSame day
8:00 pm12:00 pmSame day
9:00 pm1:00 pmSame day
10:00 pm2:00 pmSame day
11:00 pm3:00 pmSame day

Daylight saving time

Both zones observe daylight saving time, but they transition on different dates.

Mountain Time: next transition on Sunday, November 1, 2026.

Australian Eastern Time: next transition on Sunday, October 4, 2026.

For approximately 29 days between transitions, the offset between Mountain Time and Australian Eastern Time differs from its typical value. Recurring meetings during this window will shift by one hour.

Daylight today

Mountain Time
Sunrise
5:37 AM
Sunset
8:19 PM
Day length
14h 41m
Australian Eastern Time
Sunrise
6:49 AM
Sunset
4:57 PM
Day length
10h 8m

Cities in these zones

Cities in Mountain Time

Cities in Australian Eastern Time

Airports in these zones

Airports in Mountain Time

  • BJC
  • DEN
  • OGD
  • SLC

Airports in Australian Eastern Time

  • SYD
  • CBR

Related conversions