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