Time Difference Between Arizona Time and Argentina
As of 31 August 2026, Argentina is 4 hours ahead of Arizona Time. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
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Arizona Time, United States
15:34
Mon, Aug 31, 2026
UTC-7 · MST · America/Phoenix
Buenos Aires, Argentina
+4h19:34
Mon, Aug 31, 2026
UTC-3 · America/Argentina/Buenos_Aires
Argentina is 4 hours ahead of Arizona Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Arizona Time | Monday, August 31, 2026 | MSTAmerica/Phoenix | UTC-7 | Not observed |
| Argentina | Monday, August 31, 2026 | America/Argentina/Buenos_Aires | UTC-3 | 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: Arizona Time to Argentina
Every hour of today in Arizona Time and what it is in Argentina. Highlighted rows fall inside Argentina working hours (09:00–18:00).
| Arizona Time | Argentina |
|---|---|
| 00:00 | 04:00 |
| 01:00 | 05:00 |
| 02:00 | 06:00 |
| 03:00 | 07:00 |
| 04:00 | 08:00 |
| 05:00 | 09:00 |
| 06:00 | 10:00 |
| 07:00 | 11:00 |
| 08:00 | 12:00 |
| 09:00 | 13:00 |
| 10:00 | 14:00 |
| 11:00 | 15:00 |
| Arizona Time | Argentina |
|---|---|
| 12:00 | 16:00 |
| 13:00 | 17:00 |
| 14:00 | 18:00 |
| 15:00 | 19:00 |
| 16:00 | 20:00 |
| 17:00 | 21:00 |
| 18:00 | 22:00 |
| 19:00 | 23:00 |
| 20:00 | 00:00next day |
| 21:00 | 01:00next day |
| 22:00 | 02:00next day |
| 23:00 | 03:00next day |
Best time to call or meet
Overlapping working hours
09:00–14:00 in Arizona Time (13:00–18:00 in Argentina)
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
08:00–17:00 in Arizona Time (12:00–21:00 in Argentina)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Neither Arizona Time nor Argentina 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.
Arizona Time and Argentina: common questions
What is the time difference between Arizona Time and Argentina?
Argentina is 4 hours ahead of Arizona Time, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Arizona Time, what time is it in Argentina?
It is 01:00 PM in Buenos Aires, Argentina. Use the time field in the calculator above to check any other hour.
Is Argentina ahead of or behind Arizona Time?
Argentina is ahead of Arizona Time by 4 hours at the moment. In practical terms, the working day in Argentina starts and ends earlier in Arizona Time terms.
Do Arizona Time and Argentina observe daylight saving time?
Neither Arizona Time nor Argentina observes daylight saving time, so the difference stays at 4 hours all year.
What is the best time to call Argentina from Arizona Time?
Working hours overlap between 09:00 and 14:00 Arizona Time time, which is 13:00 to 18:00 in Argentina. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Arizona Time, United States (UTC-7) and Buenos Aires, Argentina (UTC-3) were generated on Monday, August 31, 2026 UTC and refresh in your browser.