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