AEST to MST Converter

Australian Eastern Time

1:51:02 AM AEDT

Saturday, November 14, 2026

18h

Mountain Time

7:51:02 AM MST

Friday, November 13, 2026

Mountain Time (MST / MDT) is 18 hours behind Australian Eastern Time (AEST / AEDT).

Quick Reference

Australian Eastern Time
AEDT (GMT+11)

AEST starts on Apr 3, 2027

Mountain Time
MST (GMT-7)

MDT starts on Mar 14, 2027

Frequently Asked Questions

What is the difference between AEST and MST?
MST is 18 hours behind AEST.
How do I convert AEST to MST?
To convert from AEST to MST, subtract 18 hours. Use the interactive converter on this page to convert specific times.
What cities are in AEST and MST?
Cities in AEST include Sydney, Canberra, Newcastle, Wollongong, Coffs Harbour. Cities in MST include Denver, Salt Lake City, Albuquerque, El Paso, Santa Fe.