Honolulu to Guam Time Difference
🇺🇸 Honolulu is currently 20 hours ahead of 🇬🇺 Guam.
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Atin 🇺🇸 Honolulu→it will be—in 🇬🇺 Guam
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Difference
+20h
Business overlap
5h
Distance
6,117 km
Approx. flight
7.2h
Hour-by-Hour: Honolulu to Guam
| 🇺🇸 Honolulu | 🇬🇺 Guam | Note |
|---|---|---|
| 12:00 AM | 8:00 PM(prev day) | Previous day |
| 1:00 AM | 9:00 PM(prev day) | Previous day |
| 2:00 AM | 10:00 PM(prev day) | Previous day |
| 3:00 AM | 11:00 PM(prev day) | Previous day |
| 4:00 AM | 12:00 AM | |
| 5:00 AM | 1:00 AM | |
| 6:00 AM | 2:00 AM | |
| 7:00 AM | 3:00 AM | |
| 8:00 AM | 4:00 AM | |
| 9:00 AM | 5:00 AM | |
| 10:00 AM | 6:00 AM | |
| 11:00 AM | 7:00 AM | |
| 12:00 PM | 8:00 AM | |
| 1:00 PM | 9:00 AM | |
| 2:00 PM | 10:00 AM | |
| 3:00 PM | 11:00 AM | |
| 4:00 PM | 12:00 PM | |
| 5:00 PM | 1:00 PM | |
| 6:00 PM | 2:00 PM | |
| 7:00 PM | 3:00 PM | |
| 8:00 PM | 4:00 PM | |
| 9:00 PM | 5:00 PM | |
| 10:00 PM | 6:00 PM | |
| 11:00 PM | 7:00 PM |
Daylight Saving Time (DST)
Neither Honolulu nor Guam observes Daylight Saving Time. The time difference is always 20 hours ahead.
Best Meeting Times
There are 5 overlapping business hours between Honolulu and Guam (9 AM – 6 PM in each city).
🇺🇸 Honolulu
1:00 PM – 6:00 PM
🇬🇺 Guam
9:00 AM – 2:00 PM
Frequently Asked Questions
What is the time difference between Honolulu and Guam?
The time difference between Honolulu and Guam is currently 20 hours ahead. Honolulu uses HST (UTC-10), while Guam uses GMT+10 (UTC+10).
When it's noon in Honolulu, what time is it in Guam?
When it's 12:00 PM (noon) in Honolulu, it is 8:00 AM in Guam. Use our calculator above to convert any other time.
Does the time difference between Honolulu and Guam change?
No. The time difference between Honolulu and Guam is always 20 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Honolulu and Guam?
The best time to call is between 1:00 PM and 6:00 PM in Honolulu (which is 9:00 AM – 2:00 PM in Guam). This 5-hour window falls within business hours in both cities.
Is Honolulu ahead or behind Guam?
Honolulu is currently 20 hours behind Guam.
What time zone is Honolulu in?
Honolulu is in the Pacific/Honolulu time zone, currently using HST (UTC-10). Honolulu does not observe Daylight Saving Time.
What time is midnight in Honolulu in Guam?
When it is midnight (12:00 AM) in Honolulu, it is 8:00 PM in Guam.