| Gabon São Tomé and Príncipe | Greenwich Mean Time | 01:00 |
| Gabon Saint Lucia | Atlantic Time | 05:00 |
| Gabon Mayotte | East Africa Time | -02:00 |
| Gabon U.S. Virgin Islands | Atlantic Time | 05:00 |
| Gabon Saint Vincent and the Grenadines | Atlantic Time | 05:00 |
| Gabon Seychelles | Pacific Time | 09:00 |
| Gabon Antigua and Barbuda | Newfoundland Time | 04:30 |
| Gabon Andorra | Central European Time | 00:00 |
| Gabon Dominica | Atlantic Time | 05:00 |
| Gabon Aruba | Atlantic Time | 05:00 |
| Gabon Marshall Islands | Marshall Islands Time | -11:00 |
| Gabon Bermuda | Eastern Time | 06:00 |
| Gabon American Samoa | Samoa Time | 12:00 |
| Gabon Greenland | West Greenland Time | 04:00 |
| Gabon Northern Mariana Islands | Chamorro Standard Time | -09:00 |
| Gabon Saint Kitts and Nevis | Atlantic Time | 05:00 |
| Gabon Faroe Islands | Western European Time | 01:00 |
| Gabon Cayman Islands | Malaysia Time | -07:00 |
| Gabon Monaco | Central European Time | 00:00 |
| Gabon Gibraltar | Central European Time | 00:00 |
| Gabon Montserrat | United Kingdom Time | 01:00 |
| Gabon Saint Helena | Eastern Time | 06:00 |
| Gabon Saint Pierre and Miquelon | Reunion Time | -03:00 |
| Gabon Falkland Islands (Islas Malvinas) | United Kingdom Time | 01:00 |
| Gabon Norfolk Island | Eastern Time | 06:00 |