AEST to MST Converter
Mountain Time (MST / MDT) is 17 hours behind Australian Eastern Time (AEST / AEDT).
Quick Reference
- Australian Eastern Time
- AEDT (GMT+11)
AEST starts on Apr 4, 2026
- Mountain Time
- MDT (GMT-6)
MST starts on Nov 1, 2026
Cities in AEST
Cities in MST
Frequently Asked Questions
- What is the difference between AEST and MST?
- MST is 17 hours behind AEST.
- How do I convert AEST to MST?
- To convert from AEST to MST, subtract 17 hours. Use the interactive converter on this page to convert specific times.
- What cities are in AEST and MST?
- Cities in AEST include Sydney, Newcastle, Canberra. Cities in MST include Denver, El Paso, Albuquerque, Colorado Springs, Salt Lake City.