| French Guiana Bosnia and Herzegovina | Central European Time | -04:00 |
| French Guiana Costa Rica | Central Time | 03:00 |
| French Guiana Croatia | Central European Time | -04:00 |
| French Guiana New Zealand | New Zealand Time | -16:00 |
| French Guiana Lebanon | Eastern European Time | -05:00 |
| French Guiana Puerto Rico | Argentina Time | 00:00 |
| French Guiana Liberia | Greenwich Mean Time | -03:00 |
| French Guiana Uruguay | Uruguay Time | 00:00 |
| French Guiana Panama | Central Time | 03:00 |
| French Guiana Mauritania | Greenwich Mean Time | -03:00 |
| French Guiana Congo | West Africa Time | -04:00 |
| French Guiana Albania | Central European Time | -04:00 |
| French Guiana Armenia | Armenia Time | -07:00 |
| French Guiana Lithuania | Eastern European Time | -05:00 |
| French Guiana Jamaica | Eastern Time | 02:00 |
| French Guiana Kuwait | Arabian Time | -06:00 |
| French Guiana Latvia | Eastern European Time | -05:00 |
| French Guiana Namibia | Central Africa Time | -05:00 |
| French Guiana Botswana | Central Africa Time | -05:00 |
| French Guiana Slovenia | Central European Time | -04:00 |
| French Guiana Lesotho | South Africa Standard Time | -05:00 |
| French Guiana The Gambia | Eastern Australia Time | -14:00 |
| French Guiana Guinea-Bissau | Greenwich Mean Time | -03:00 |
| French Guiana Gabon | West Africa Time | -04:00 |
| French Guiana Swaziland | South Africa Standard Time | -05:00 |
| French Guiana Mauritius | Mauritius Time | -07:00 |
| French Guiana Estonia | Eastern European Time | -05:00 |
| French Guiana Timor-Leste | East Timor Time | -12:00 |
| French Guiana Equatorial Guinea | West Africa Time | -04:00 |
| French Guiana Fiji | Fiji Time | -16:00 |
| French Guiana Qatar | Arabian Time | -06:00 |
| French Guiana Reunion | Reunion Time | -07:00 |
| French Guiana Comoros | East Africa Time | -06:00 |
| French Guiana Guyana | Guyana Time | 01:00 |
| French Guiana Djibouti | East Africa Time | -06:00 |
| French Guiana Bahrain | Arabian Time | -06:00 |
| French Guiana Bhutan | Bhutan Time | -09:00 |
| French Guiana Solomon Islands | Solomon Islands Time | -14:00 |
| French Guiana Cape Verde | Cape Verde Time | -02:00 |
| French Guiana Luxembourg | Central European Time | -04:00 |
| French Guiana Suriname | Suriname Time | 00:00 |
| French Guiana Guadeloupe | Atlantic Time | 01:00 |
| French Guiana Martinique | Atlantic Time | 01:00 |
| French Guiana Brunei | Brunei Darussalam Time | -11:00 |
| French Guiana Belize | Central Time | 03:00 |
| French Guiana The Bahamas | Eastern Time | 02:00 |
| French Guiana Barbados | Atlantic Time | 01:00 |
| French Guiana French Polynesia | Tahiti Time | 07:00 |
| French Guiana French Guiana | French Guiana Time | 00:00 |
| French Guiana Samoa | Apia Time | -16:00 |