HST to MST Converter
Hawaii Time
4:51:16 AM HST
Friday, November 13, 2026
3h
3h
Mountain Time
7:51:16 AM MST
Friday, November 13, 2026
Mountain Time (MST / MDT) is 3 hours ahead of Hawaii Time (HST).
Quick Reference
- Hawaii Time
- HST (GMT-10)
No Daylight Saving Time
- Mountain Time
- MST (GMT-7)
MDT starts on Mar 14, 2027
Cities in HST
Cities in MST
Frequently Asked Questions
- What is the difference between HST and MST?
- MST is 3 hours ahead of HST.
- How do I convert HST to MST?
- To convert from HST to MST, add 3 hours. Use the interactive converter on this page to convert specific times.
- What cities are in HST and MST?
- Cities in HST include Honolulu, Hilo, Kahului, Kaneohe, Kapolei. Cities in MST include Denver, Salt Lake City, Albuquerque, El Paso, Santa Fe.