Time Difference Between Argentina and Arizona Time
As of 31 August 2026, Arizona Time is 4 hours behind Argentina. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
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Buenos Aires, Argentina
19:34
Mon, Aug 31, 2026
UTC-3 · America/Argentina/Buenos_Aires
Arizona Time, United States
-4h15:34
Mon, Aug 31, 2026
UTC-7 · MST · America/Phoenix
Arizona Time is 4 hours behind Argentina.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Argentina | Monday, August 31, 2026 | America/Argentina/Buenos_Aires | UTC-3 | Not observed |
| Arizona Time | Monday, August 31, 2026 | MSTAmerica/Phoenix | UTC-7 | Not observed |
Arizona Time: Most of Arizona does not observe daylight saving time, so it stays at UTC-7 all year — the same clock as Mountain Standard Time in winter, but 1 hour behind Mountain Time in summer. The Navajo Nation in Arizona is the exception and does observe it.
Hour by hour: Argentina to Arizona Time
Every hour of today in Argentina and what it is in Arizona Time. Highlighted rows fall inside Arizona Time working hours (09:00–18:00).
| Argentina | Arizona Time |
|---|---|
| 00:00 | 20:00prev day |
| 01:00 | 21:00prev day |
| 02:00 | 22:00prev day |
| 03:00 | 23:00prev day |
| 04:00 | 00:00 |
| 05:00 | 01:00 |
| 06:00 | 02:00 |
| 07:00 | 03:00 |
| 08:00 | 04:00 |
| 09:00 | 05:00 |
| 10:00 | 06:00 |
| 11:00 | 07:00 |
| Argentina | Arizona Time |
|---|---|
| 12:00 | 08:00 |
| 13:00 | 09:00 |
| 14:00 | 10:00 |
| 15:00 | 11:00 |
| 16:00 | 12:00 |
| 17:00 | 13:00 |
| 18:00 | 14:00 |
| 19:00 | 15:00 |
| 20:00 | 16:00 |
| 21:00 | 17:00 |
| 22:00 | 18:00 |
| 23:00 | 19:00 |
Best time to call or meet
Overlapping working hours
13:00–18:00 in Argentina (09:00–14:00 in Arizona Time)
Both places are inside 09:00–18:00 for 5 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
12:00–21:00 in Argentina (08:00–17:00 in Arizona Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Neither Argentina nor Arizona Time changes its clocks, so the difference of 4 hours stays the same all year.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Argentina and Arizona Time: common questions
What is the time difference between Argentina and Arizona Time?
Arizona Time is 4 hours behind Argentina, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Argentina, what time is it in Arizona Time?
It is 05:00 AM in Arizona Time, United States. Use the time field in the calculator above to check any other hour.
Is Arizona Time ahead of or behind Argentina?
Arizona Time is behind Argentina by 4 hours at the moment. In practical terms, the working day in Arizona Time starts and ends later in Argentina terms.
Do Argentina and Arizona Time observe daylight saving time?
Neither Argentina nor Arizona Time observes daylight saving time, so the difference stays at 4 hours all year.
What is the best time to call Arizona Time from Argentina?
Working hours overlap between 13:00 and 18:00 Argentina time, which is 09:00 to 14:00 in Arizona Time. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Buenos Aires, Argentina (UTC-3) and Arizona Time, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.