| Reunion São Tomé and Príncipe | Greenwich Mean Time | 04:00 |
| Reunion Saint Lucia | Atlantic Time | 08:00 |
| Reunion Mayotte | East Africa Time | 01:00 |
| Reunion U.S. Virgin Islands | Atlantic Time | 08:00 |
| Reunion Saint Vincent and the Grenadines | Atlantic Time | 08:00 |
| Reunion Seychelles | Pacific Time | 12:00 |
| Reunion Antigua and Barbuda | Newfoundland Time | 07:30 |
| Reunion Andorra | Central European Time | 03:00 |
| Reunion Dominica | Atlantic Time | 08:00 |
| Reunion Aruba | Atlantic Time | 08:00 |
| Reunion Marshall Islands | Marshall Islands Time | -08:00 |
| Reunion Bermuda | Eastern Time | 09:00 |
| Reunion American Samoa | Samoa Time | 15:00 |
| Reunion Greenland | West Greenland Time | 07:00 |
| Reunion Northern Mariana Islands | Chamorro Standard Time | -06:00 |
| Reunion Saint Kitts and Nevis | Atlantic Time | 08:00 |
| Reunion Faroe Islands | Western European Time | 04:00 |
| Reunion Cayman Islands | Malaysia Time | -04:00 |
| Reunion Monaco | Central European Time | 03:00 |
| Reunion Gibraltar | Central European Time | 03:00 |
| Reunion Montserrat | United Kingdom Time | 04:00 |
| Reunion Saint Helena | Eastern Time | 09:00 |
| Reunion Saint Pierre and Miquelon | Reunion Time | 00:00 |
| Reunion Falkland Islands (Islas Malvinas) | United Kingdom Time | 04:00 |
| Reunion Norfolk Island | Eastern Time | 09:00 |