MST to HST
Convert Mountain Time — Denver to Hawaii Time — Honolulu — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Denver, it's 5:00 AM in Honolulu. Honolulu is 4 hours behind Denver. Use the converter above to turn any MST time into HST, or scan the hour-by-hour table below for the full day.
MST to HST at a glance
Planning a meeting between Denver and Honolulu
Planning a call between Denver and Honolulu? The best overlap during a standard 9-to-5 workday runs 1:00 PM–5:00 PM MST (9:00 AM–1:00 PM HST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Denver to Honolulu
A full day mapped from MST to HST.
Frequently asked
Is Honolulu ahead of or behind Denver?
Honolulu is 4 hours behind Denver.
What is 12:00 PM MST in HST?
12:00 PM in Denver is 8:00 AM in Honolulu.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so MST and HST automatically reflect the correct daylight-saving offset for the current date.