ART to MST
Convert Argentina Time — Buenos Aires to Arizona Time — Phoenix (no DST) — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Buenos Aires, it's 5:00 AM in Phoenix. Phoenix is 4 hours behind Buenos Aires. Use the converter above to turn any ART time into MST, or scan the hour-by-hour table below for the full day.
ART to MST at a glance
Planning a meeting between Buenos Aires and Phoenix
Planning a call between Buenos Aires and Phoenix? The best overlap during a standard 9-to-5 workday runs 1:00 PM–5:00 PM ART (9:00 AM–1:00 PM MST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Buenos Aires to Phoenix
A full day mapped from ART to MST.
Frequently asked
Is Phoenix ahead of or behind Buenos Aires?
Phoenix is 4 hours behind Buenos Aires.
What is 12:00 PM ART in MST?
12:00 PM in Buenos Aires is 8:00 AM in Phoenix.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so ART and MST automatically reflect the correct daylight-saving offset for the current date.