| Gardnerville Huixquilucan de Degollado | Central Time | -02:00 |
| Gardnerville Huntingdale | Western Australia Time | -15:00 |
| Gardnerville Hunter River | Atlantic Time | -04:00 |
| Gardnerville Humboldt | Central Time | -02:00 |
| Gardnerville Hulshout | Central European Time | -09:00 |
| Gardnerville Hultsfred | Central European Time | -09:00 |
| Gardnerville Hulu Langat | Malaysia Time | -15:00 |
| Gardnerville Hurricane | Mountain Time | -01:00 |
| Gardnerville Húsavík | Greenwich Mean Time | -07:00 |
| Gardnerville Husborne Crawley | United Kingdom Time | -08:00 |
| Gardnerville Huttons Ambo | United Kingdom Time | -08:00 |
| Gardnerville Huskisson | Eastern Australia Time | -17:00 |
| Gardnerville Hurstville | Eastern Australia Time | -17:00 |
| Gardnerville Godoy Cruz | Argentina Time | -04:00 |
| Gardnerville Gojra | Pakistan Time | -12:00 |
| Gardnerville Goiás | Brasilia Time | -04:00 |
| Gardnerville Goioerê | Brasilia Time | -04:00 |
| Gardnerville Gogolin | Central European Time | -09:00 |
| Gardnerville Golling an der Salzach | Central European Time | -09:00 |
| Gardnerville Goldthwaite | Central Time | -02:00 |
| Gardnerville Golub-Dobrzyń | Central European Time | -09:00 |
| Gardnerville Gokarna | India Standard Time | -12:30 |
| Gardnerville Gold Hill | Pacific Time | 00:00 |
| Gardnerville Goldau | Central European Time | -09:00 |
| Gardnerville Goodwood | Central Australia Time | -16:30 |
| Gardnerville Gonzales | Central Time | -02:00 |
| Gardnerville Hammonton | Eastern Time | -03:00 |
| Gardnerville Hampi | India Standard Time | -12:30 |
| Gardnerville Hammerfest | Central European Time | -09:00 |
| Gardnerville Hammersbach | Central European Time | -09:00 |
| Gardnerville Hammamet Sud | Central European Time | -08:00 |
| Gardnerville Hammamet | Central European Time | -08:00 |
| Gardnerville Handforth | United Kingdom Time | -08:00 |
| Gardnerville Hang Dong | Indochina Time | -14:00 |
| Gardnerville Handsworth Wood | United Kingdom Time | -08:00 |
| Gardnerville Hampton | Eastern Australia Time | -17:00 |
| Gardnerville Hanamkonda | India Standard Time | -12:30 |
| Gardnerville Hanau | Central European Time | -09:00 |