Guam to San José Time Difference
🇬🇺 Guam is currently 16 hours behind of 🇨🇷 San José.
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Atin 🇬🇺 Guam→it will be—in 🇨🇷 San José
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Difference
-16h
Business overlap
1h
Distance
14,027 km
Approx. flight
16.5h
Hour-by-Hour: Guam to San José
| 🇬🇺 Guam | 🇨🇷 San José | Note |
|---|---|---|
| 12:00 AM | 8:00 AM | |
| 1:00 AM | 9:00 AM | |
| 2:00 AM | 10:00 AM | |
| 3:00 AM | 11:00 AM | |
| 4:00 AM | 12:00 PM | |
| 5:00 AM | 1:00 PM | |
| 6:00 AM | 2:00 PM | |
| 7:00 AM | 3:00 PM | |
| 8:00 AM | 4:00 PM | |
| 9:00 AM | 5:00 PM | |
| 10:00 AM | 6:00 PM | |
| 11:00 AM | 7:00 PM | |
| 12:00 PM | 8:00 PM | |
| 1:00 PM | 9:00 PM | |
| 2:00 PM | 10:00 PM | |
| 3:00 PM | 11:00 PM | |
| 4:00 PM | 12:00 AM(next day) | Next day |
| 5:00 PM | 1:00 AM(next day) | Next day |
| 6:00 PM | 2:00 AM(next day) | Next day |
| 7:00 PM | 3:00 AM(next day) | Next day |
| 8:00 PM | 4:00 AM(next day) | Next day |
| 9:00 PM | 5:00 AM(next day) | Next day |
| 10:00 PM | 6:00 AM(next day) | Next day |
| 11:00 PM | 7:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Guam nor San José observes Daylight Saving Time. The time difference is always 16 hours behind.
Best Meeting Times
There are 1 overlapping business hours between Guam and San José (9 AM – 6 PM in each city).
🇬🇺 Guam
9:00 AM – 10:00 AM
🇨🇷 San José
5:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Guam and San José?
The time difference between Guam and San José is currently 16 hours behind. Guam uses GMT+10 (UTC+10), while San José uses CST (UTC-6).
When it's noon in Guam, what time is it in San José?
When it's 12:00 PM (noon) in Guam, it is 8:00 PM in San José. Use our calculator above to convert any other time.
Does the time difference between Guam and San José change?
No. The time difference between Guam and San José is always 16 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 San José?
The best time to call is between 9:00 AM and 10:00 AM in Guam (which is 5:00 PM – 6:00 PM in San José). This 1-hour window falls within business hours in both cities.
Is Guam ahead or behind San José?
Guam is currently 16 hours ahead of San José.
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 San José?
When it is midnight (12:00 AM) in Guam, it is 8:00 AM in San José.