Guam to Phoenix Time Difference
🇬🇺 Guam is currently 17 hours behind of 🇺🇸 Phoenix.
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Atin 🇬🇺 Guam→it will be—in 🇺🇸 Phoenix
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Difference
-17h
Business overlap
2h
Distance
10,366 km
Approx. flight
12.2h
Hour-by-Hour: Guam to Phoenix
| 🇬🇺 Guam | 🇺🇸 Phoenix | Note |
|---|---|---|
| 12:00 AM | 7:00 AM | |
| 1:00 AM | 8:00 AM | |
| 2:00 AM | 9:00 AM | |
| 3:00 AM | 10:00 AM | |
| 4:00 AM | 11:00 AM | |
| 5:00 AM | 12:00 PM | |
| 6:00 AM | 1:00 PM | |
| 7:00 AM | 2:00 PM | |
| 8:00 AM | 3:00 PM | |
| 9:00 AM | 4:00 PM | |
| 10:00 AM | 5:00 PM | |
| 11:00 AM | 6:00 PM | |
| 12:00 PM | 7:00 PM | |
| 1:00 PM | 8:00 PM | |
| 2:00 PM | 9:00 PM | |
| 3:00 PM | 10:00 PM | |
| 4:00 PM | 11:00 PM | |
| 5:00 PM | 12:00 AM(next day) | Next day |
| 6:00 PM | 1:00 AM(next day) | Next day |
| 7:00 PM | 2:00 AM(next day) | Next day |
| 8:00 PM | 3:00 AM(next day) | Next day |
| 9:00 PM | 4:00 AM(next day) | Next day |
| 10:00 PM | 5:00 AM(next day) | Next day |
| 11:00 PM | 6:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Guam nor Phoenix observes Daylight Saving Time. The time difference is always 17 hours behind.
Best Meeting Times
There are 2 overlapping business hours between Guam and Phoenix (9 AM – 6 PM in each city).
🇬🇺 Guam
9:00 AM – 11:00 AM
🇺🇸 Phoenix
4:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Guam and Phoenix?
The time difference between Guam and Phoenix is currently 17 hours behind. Guam uses GMT+10 (UTC+10), while Phoenix uses MST (UTC-7).
When it's noon in Guam, what time is it in Phoenix?
When it's 12:00 PM (noon) in Guam, it is 7:00 PM in Phoenix. Use our calculator above to convert any other time.
Does the time difference between Guam and Phoenix change?
No. The time difference between Guam and Phoenix is always 17 hours behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Guam and Phoenix?
The best time to call is between 9:00 AM and 11:00 AM in Guam (which is 4:00 PM – 6:00 PM in Phoenix). This 2-hour window falls within business hours in both cities.
Is Guam ahead or behind Phoenix?
Guam is currently 17 hours ahead of Phoenix.
What time zone is Guam in?
Guam is in the Pacific/Guam time zone, currently using GMT+10 (UTC+10). Guam does not observe Daylight Saving Time.
What time is midnight in Guam in Phoenix?
When it is midnight (12:00 AM) in Guam, it is 7:00 AM in Phoenix.