Guam to Houston Time Difference
🇬🇺 Guam is currently 15 hours behind of 🇺🇸 Houston. This difference varies between 16h and 15h due to Daylight Saving Time.
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Atin 🇬🇺 Guam→it will be—in 🇺🇸 Houston
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Difference
-15h
Business overlap
None
Distance
11,980 km
Approx. flight
14.1h
Hour-by-Hour: Guam to Houston
| 🇬🇺 Guam | 🇺🇸 Houston | Note |
|---|---|---|
| 12:00 AM | 9:00 AM | |
| 1:00 AM | 10:00 AM | |
| 2:00 AM | 11:00 AM | |
| 3:00 AM | 12:00 PM | |
| 4:00 AM | 1:00 PM | |
| 5:00 AM | 2:00 PM | |
| 6:00 AM | 3:00 PM | |
| 7:00 AM | 4:00 PM | |
| 8:00 AM | 5:00 PM | |
| 9:00 AM | 6:00 PM | |
| 10:00 AM | 7:00 PM | |
| 11:00 AM | 8:00 PM | |
| 12:00 PM | 9:00 PM | |
| 1:00 PM | 10:00 PM | |
| 2:00 PM | 11:00 PM | |
| 3:00 PM | 12:00 AM(next day) | Next day |
| 4:00 PM | 1:00 AM(next day) | Next day |
| 5:00 PM | 2:00 AM(next day) | Next day |
| 6:00 PM | 3:00 AM(next day) | Next day |
| 7:00 PM | 4:00 AM(next day) | Next day |
| 8:00 PM | 5:00 AM(next day) | Next day |
| 9:00 PM | 6:00 AM(next day) | Next day |
| 10:00 PM | 7:00 AM(next day) | Next day |
| 11:00 PM | 8:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Houston observes Daylight Saving Time, while Guam does not. This causes the time difference to shift between 16 hours behind and 15 hours behind depending on the season. Currently, Guam is 15 hours behind relative to Houston.
Min difference
16h
Max difference
15h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Guam and Houston. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Guam and Houston?
The time difference between Guam and Houston is currently 15 hours behind. Guam uses GMT+10 (UTC+10), while Houston uses CDT (UTC-5). This difference varies seasonally due to Daylight Saving Time, ranging from 16 hours behind to 15 hours behind.
When it's noon in Guam, what time is it in Houston?
When it's 12:00 PM (noon) in Guam, it is 9:00 PM in Houston. Use our calculator above to convert any other time.
Does the time difference between Guam and Houston change?
Yes, the time difference changes throughout the year. Because Houston observes Daylight Saving Time, the offset shifts between 16 hours behind and 15 hours behind at different times of the year.
What are the best times to schedule a call between Guam and Houston?
There is no overlap between standard business hours (9 AM – 6 PM) in Guam and Houston. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Guam ahead or behind Houston?
Guam is currently 15 hours ahead of Houston.
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 Houston?
When it is midnight (12:00 AM) in Guam, it is 9:00 AM in Houston.