| Sfax Hainesport | Eastern Time | 06:00 |
| Sfax Gutach | Central European Time | 00:00 |
| Sfax Gustine | Pacific Time | 09:00 |
| Sfax Guthrie | Central Time | 07:00 |
| Sfax Gwoździany | Central European Time | 00:00 |
| Sfax Gymea | Eastern Australia Time | -10:00 |
| Sfax Gympie | Eastern Australia Time | -09:00 |
| Sfax Gyeongju-si | Korean Time | -08:00 |
| Sfax Gzira | Central European Time | 00:00 |
| Sfax Habarakada | India Standard Time | -04:30 |
| Sfax Hackettstown | Eastern Time | 06:00 |
| Sfax Gulf Breeze | Central Time | 07:00 |
| Sfax Gulf Shores | Central Time | 07:00 |
| Sfax Gum Spring | Eastern Time | 06:00 |
| Sfax Gura Râului | Eastern European Time | -01:00 |
| Sfax Gurdaspur | India Standard Time | -04:30 |
| Sfax Gun Barrel City | Central Time | 07:00 |
| Sfax Guniyal Gaon | India Standard Time | -04:30 |
| Sfax Guntersville | Central Time | 07:00 |
| Sfax Gualala | Pacific Time | 09:00 |
| Sfax Guanica | Atlantic Time | 05:00 |
| Sfax Guar Chempedak | Malaysia Time | -07:00 |
| Sfax Grüningen | Central European Time | 00:00 |
| Sfax Guadalupe | Central Time | 07:00 |
| Sfax Grover Beach | Pacific Time | 09:00 |
| Sfax Gruissan | Central European Time | 00:00 |
| Sfax Groton | Eastern Time | 06:00 |
| Sfax Grottammare | Central European Time | 00:00 |
| Sfax Guerneville | Pacific Time | 09:00 |
| Sfax Guildford | Eastern Australia Time | -10:00 |
| Sfax Guardiagrele | Central European Time | 00:00 |
| Sfax Guarne | Colombia Time | 06:00 |
| Sfax Guatapé | Colombia Time | 06:00 |
| Sfax Gudalur | India Standard Time | -04:30 |
| Sfax Guayana City | Venezuela Time | 05:00 |
| Sfax Horsley | Eastern Australia Time | -10:00 |
| Sfax Horseheads | Eastern Time | 06:00 |
| Sfax Hoshiarpur | India Standard Time | -04:30 |
| Sfax Horebeke | Central European Time | 00:00 |
| Sfax Hopland | Pacific Time | 09:00 |
| Sfax Horní Věstonice | Central European Time | 00:00 |
| Sfax Horning | United Kingdom Time | 01:00 |
| Sfax Hope | Central Time | 07:00 |
| Sfax Hope | Pacific Time | 09:00 |
| Sfax Hope Island | Eastern Australia Time | -09:00 |
| Sfax Hooksett | Eastern Time | 06:00 |
| Sfax Honnihalli | India Standard Time | -04:30 |
| Sfax Honiton | United Kingdom Time | 01:00 |
| Sfax Honesdale | Eastern Time | 06:00 |
| Sfax Honfleur | Central European Time | 00:00 |