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