MST to ACST
Convert Arizona Time — Phoenix (no DST) to Australian Central Time — Adelaide — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Phoenix, it's 1:30 AM in Adelaide. Adelaide is 16½ hours ahead of Phoenix. Use the converter above to turn any MST time into ACST, or scan the hour-by-hour table below for the full day.
MST to ACST at a glance
Planning a meeting between Phoenix and Adelaide
Phoenix and Adelaide share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Phoenix to Adelaide
A full day mapped from MST to ACST.
Frequently asked
Is Adelaide ahead of or behind Phoenix?
Adelaide is 16½ hours ahead of Phoenix.
What is 12:00 PM MST in ACST?
12:00 PM in Phoenix is 4:30 AM in Adelaide.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so MST and ACST automatically reflect the correct daylight-saving offset for the current date.