Guam to Honolulu Time Difference
🇬🇺 Guam is currently 20 hours behind of 🇺🇸 Honolulu.
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Atin 🇬🇺 Guam→it will be—in 🇺🇸 Honolulu
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Difference
-20h
Business overlap
5h
Distance
6,117 km
Approx. flight
7.2h
Hour-by-Hour: Guam to Honolulu
| 🇬🇺 Guam | 🇺🇸 Honolulu | Note |
|---|---|---|
| 12:00 AM | 4:00 AM | |
| 1:00 AM | 5:00 AM | |
| 2:00 AM | 6:00 AM | |
| 3:00 AM | 7:00 AM | |
| 4:00 AM | 8:00 AM | |
| 5:00 AM | 9:00 AM | |
| 6:00 AM | 10:00 AM | |
| 7:00 AM | 11:00 AM | |
| 8:00 AM | 12:00 PM | |
| 9:00 AM | 1:00 PM | |
| 10:00 AM | 2:00 PM | |
| 11:00 AM | 3:00 PM | |
| 12:00 PM | 4:00 PM | |
| 1:00 PM | 5:00 PM | |
| 2:00 PM | 6:00 PM | |
| 3:00 PM | 7:00 PM | |
| 4:00 PM | 8:00 PM | |
| 5:00 PM | 9:00 PM | |
| 6:00 PM | 10:00 PM | |
| 7:00 PM | 11:00 PM | |
| 8:00 PM | 12:00 AM(next day) | Next day |
| 9:00 PM | 1:00 AM(next day) | Next day |
| 10:00 PM | 2:00 AM(next day) | Next day |
| 11:00 PM | 3:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Guam nor Honolulu observes Daylight Saving Time. The time difference is always 20 hours behind.
Best Meeting Times
There are 5 overlapping business hours between Guam and Honolulu (9 AM – 6 PM in each city).
🇬🇺 Guam
9:00 AM – 2:00 PM
🇺🇸 Honolulu
1:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Guam and Honolulu?
The time difference between Guam and Honolulu is currently 20 hours behind. Guam uses GMT+10 (UTC+10), while Honolulu uses HST (UTC-10).
When it's noon in Guam, what time is it in Honolulu?
When it's 12:00 PM (noon) in Guam, it is 4:00 PM in Honolulu. Use our calculator above to convert any other time.
Does the time difference between Guam and Honolulu change?
No. The time difference between Guam and Honolulu is always 20 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 Honolulu?
The best time to call is between 9:00 AM and 2:00 PM in Guam (which is 1:00 PM – 6:00 PM in Honolulu). This 5-hour window falls within business hours in both cities.
Is Guam ahead or behind Honolulu?
Guam is currently 20 hours ahead of Honolulu.
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 Honolulu?
When it is midnight (12:00 AM) in Guam, it is 4:00 AM in Honolulu.