Guam - Jamestown — time difference
What is the time difference between Guam and Jamestown?
The time difference between Guam and Jamestown is 10 hours. In Jamestown, it is 10 hours behind Guam.
Ascension, and Tristan da Cunha Saint Helena, Saint Helena, Jamestown
PM
08:28:
30
Monday,
25
August
2025
| 12:00 AM | 02:00 PM |
| 01:00 AM | 03:00 PM |
| 02:00 AM | 04:00 PM |
| 03:00 AM | 05:00 PM |
| 04:00 AM | 06:00 PM |
| 05:00 AM | 07:00 PM |
| 06:00 AM | 08:00 PM |
| 07:00 AM | 09:00 PM |
| 08:00 AM | 10:00 PM |
| 09:00 AM | 11:00 PM |
| 10:00 AM | 12:00 AM |
| 11:00 AM | 01:00 AM |
| 12:00 PM | 02:00 AM |
| 01:00 PM | 03:00 AM |
| 02:00 PM | 04:00 AM |
| 03:00 PM | 05:00 AM |
| 04:00 PM | 06:00 AM |
| 05:00 PM | 07:00 AM |
| 06:00 PM | 08:00 AM |
| 07:00 PM | 09:00 AM |
| 08:00 PM | 10:00 AM |
| 09:00 PM | 11:00 AM |
| 10:00 PM | 12:00 PM |
| 11:00 PM | 01:00 PM |