Time Difference Between Eastern Time and Arizona Time
As of 31 August 2026, Arizona Time is 3 hours behind Eastern Time. That number is not constant. Over the course of a year, because of daylight saving changes, Arizona Time, United States ranges from 3 hours behind to 2 hours behind relative to Eastern Time, United States. The calculator below is always up to date.
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Eastern Time, United States
18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
Arizona Time, United States
-3h15:34
Mon, Aug 31, 2026
UTC-7 · MST · America/Phoenix
Arizona Time is 3 hours behind Eastern Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Eastern Time | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
| Arizona Time | Monday, August 31, 2026 | MSTAmerica/Phoenix | UTC-7 | Not observed |
Eastern Time: Covers the US East Coast, from New York to Miami to Atlanta. Switches between EST (UTC-5) and EDT (UTC-4) with daylight saving.
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: Eastern Time to Arizona Time
Every hour of today in Eastern Time and what it is in Arizona Time. Highlighted rows fall inside Arizona Time working hours (09:00–18:00).
| Eastern Time | Arizona Time |
|---|---|
| 00:00 | 21:00prev day |
| 01:00 | 22:00prev day |
| 02:00 | 23:00prev day |
| 03:00 | 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 |
| Eastern Time | Arizona Time |
|---|---|
| 12:00 | 09:00 |
| 13:00 | 10:00 |
| 14:00 | 11:00 |
| 15:00 | 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 |
Best time to call or meet
Overlapping working hours
12:00–18:00 in Eastern Time (09:00–15:00 in Arizona Time)
Both places are inside 09:00–18:00 for 6 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
11:00–21:00 in Eastern Time (08:00–18:00 in Arizona Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Eastern Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. After that date, Arizona Time is 2 hours behind Eastern Time — instead of 3 hours behind, as it is today.
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.
Eastern Time and Arizona Time: common questions
What is the time difference between Eastern Time and Arizona Time?
As of 31 August 2026, Arizona Time is 3 hours behind Eastern Time. The gap is not fixed: across the year, Arizona Time ranges from 3 hours behind to 2 hours behind relative to Eastern Time, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Eastern Time, what time is it in Arizona Time?
It is 06:00 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 Eastern Time?
Arizona Time is behind Eastern Time by 3 hours at the moment. In practical terms, the working day in Arizona Time starts and ends later in Eastern Time terms.
Do Eastern Time and Arizona Time observe daylight saving time?
Eastern Time changes its clocks twice a year; Arizona Time does not. The difference therefore shifts by an hour when Eastern Time switches: across the year, Arizona Time ranges from 3 hours behind to 2 hours behind relative to Eastern Time.
What is the best time to call Arizona Time from Eastern Time?
Working hours overlap between 12:00 and 18:00 Eastern Time time, which is 09:00 to 15:00 in Arizona Time. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Eastern Time, United States (UTC-4) and Arizona Time, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.