MST to HST
Convert Arizona Time — Phoenix (no DST) to Hawaii Time — Honolulu — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Phoenix, it's 6:00 AM in Honolulu. Honolulu is 3 hours behind Phoenix. 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 Phoenix and Honolulu
Planning a call between Phoenix and Honolulu? The best overlap during a standard 9-to-5 workday runs 12:00 PM–5:00 PM MST (9:00 AM–2:00 PM HST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Phoenix to Honolulu
A full day mapped from MST to HST.
Frequently asked
Is Honolulu ahead of or behind Phoenix?
Honolulu is 3 hours behind Phoenix.
What is 12:00 PM MST in HST?
12:00 PM in Phoenix is 9:00 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.