Time Difference Between Singapore and Arizona Time
As of 31 August 2026, Arizona Time is 15 hours behind Singapore. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
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Singapore
06:34
Tue, Sep 1, 2026
UTC+8 · Asia/Singapore
Arizona Time, United States
-15h15:34
Mon, Aug 31, 2026
UTC-7 · MST · America/Phoenix
Arizona Time is 15 hours behind Singapore.
When it is 06:34 in Singapore, it is already the previous day in Arizona Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Singapore | Tuesday, September 1, 2026 | Asia/Singapore | UTC+8 | 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: Singapore to Arizona Time
Every hour of today in Singapore and what it is in Arizona Time. Highlighted rows fall inside Arizona Time working hours (09:00–18:00).
| Singapore | Arizona Time |
|---|---|
| 00:00 | 09:00prev day |
| 01:00 | 10:00prev day |
| 02:00 | 11:00prev day |
| 03:00 | 12:00prev day |
| 04:00 | 13:00prev day |
| 05:00 | 14:00prev day |
| 06:00 | 15:00prev day |
| 07:00 | 16:00prev day |
| 08:00 | 17:00prev day |
| 09:00 | 18:00prev day |
| 10:00 | 19:00prev day |
| 11:00 | 20:00prev day |
| Singapore | Arizona Time |
|---|---|
| 12:00 | 21:00prev day |
| 13:00 | 22:00prev day |
| 14:00 | 23:00prev day |
| 15:00 | 00:00 |
| 16:00 | 01:00 |
| 17:00 | 02:00 |
| 18:00 | 03:00 |
| 19:00 | 04:00 |
| 20:00 | 05:00 |
| 21:00 | 06:00 |
| 22:00 | 07:00 |
| 23:00 | 08:00 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Singapore and Arizona Time never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–12:00 in Singapore (17:00–21:00 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 Singapore nor Arizona Time changes its clocks, so the difference of 15 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.
Singapore and Arizona Time: common questions
What is the time difference between Singapore and Arizona Time?
Arizona Time is 15 hours behind Singapore, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Singapore, what time is it in Arizona Time?
It is 06:00 PM 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 Singapore?
Arizona Time is behind Singapore by 15 hours at the moment. In practical terms, the working day in Arizona Time starts and ends later in Singapore terms.
Do Singapore and Arizona Time observe daylight saving time?
Neither Singapore nor Arizona Time observes daylight saving time, so the difference stays at 15 hours all year.
What is the best time to call Arizona Time from Singapore?
Standard working hours in Singapore and Arizona Time do not overlap at all, so one side has to take the call outside office hours. Early morning in Singapore or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Singapore (UTC+8) and Arizona Time, United States (UTC-7) were generated on Monday, August 31, 2026 UTC and refresh in your browser.