MST/MDT to AEST/AEDT time converter

AEST/AEDT is 17 hours ahead of MST/MDT. When it is 9:00 AM in MST/MDT, it is 2:00 AM (Sat, Oct 17) in AEST/AEDT.

MST/MDT MDT

Friday, October 16, 2026

AEST/AEDT AEDT

Saturday, October 17, 2026

MST/MDT
Mountain Standard Time
Fri, Oct 16
MDTUTC-6
AEST/AEDT
Australian Eastern Daylight Time
Sat, Oct 17
AEDTUTC+11+17h
Finding your time zone…
Shared working hours (9:00–18:00)

MST/MDT to AEST/AEDT conversion table

Every hour of today in MST/MDT and the matching time in AEST/AEDT. Light rows are typical working hours (9:00–18:00).

MST/MDTAEST/AEDT
12:00 AM5:00 PM
1:00 AM6:00 PM
2:00 AM7:00 PM
3:00 AM8:00 PM
4:00 AM9:00 PM
5:00 AM10:00 PM
6:00 AM11:00 PM
7:00 AM12:00 AM+1 day
8:00 AM1:00 AM+1 day
9:00 AM2:00 AM+1 day
10:00 AM3:00 AM+1 day
11:00 AM4:00 AM+1 day
12:00 PM5:00 AM+1 day
1:00 PM6:00 AM+1 day
2:00 PM7:00 AM+1 day
3:00 PM8:00 AM+1 day
4:00 PM9:00 AM+1 day
5:00 PM10:00 AM+1 day
6:00 PM11:00 AM+1 day
7:00 PM12:00 PM+1 day
8:00 PM1:00 PM+1 day
9:00 PM2:00 PM+1 day
10:00 PM3:00 PM+1 day
11:00 PM4:00 PM+1 day

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in MST/MDT (9:00 AM – 11:00 AM in AEST/AEDT).

Daylight saving time and the difference

The difference changes during the year because MST/MDT and AEST/AEDT switch clocks on different dates:

  • Oct 16, 2026 – Nov 1, 2026: +17h
  • Nov 1, 2026 – Mar 14, 2027: +18h
  • Mar 14, 2027 – Apr 3, 2027: +17h
  • Apr 3, 2027 – Oct 2, 2027: +16h
  • Oct 2, 2027 – Oct 16, 2027: +17h

More conversions

AEDT to MSTMST to UTCMST to GMTMST to ESTMST to CSTMST to PSTMST to CETMST to MSKMST to GSTMST to PKTMST to ISTMST to SGTMST to PHT
UTC to AEDTGMT to AEDTEST to AEDTCST to AEDTPST to AEDTCET to AEDTMSK to AEDTGST to AEDTPKT to AEDTIST to AEDTSGT to AEDTPHT to AEDT

Questions and answers

What is the time difference between MST/MDT and AEST/AEDT?

AEST/AEDT is 17 hours ahead of MST/MDT.

What time is it in AEST/AEDT when it is 9 AM in MST/MDT?

When it is 9:00 AM in MST/MDT, it is 2:00 AM (Sat, Oct 17) in AEST/AEDT.

When is the best time to call AEST/AEDT from MST/MDT?

Both sides are at work from 4:00 PM – 6:00 PM in MST/MDT (9:00 AM – 11:00 AM in AEST/AEDT).

Does the time difference between MST/MDT and AEST/AEDT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.