| Oakdale Ifran | Western European Time | -08:00 |
| Oakdale Idlib | Eastern European Time | -10:00 |
| Oakdale Idukki Township | India Standard Time | -13:30 |
| Oakdale Idyllwild-Pine Cove | Pacific Time | 00:00 |
| Oakdale Ichikawa | Japan Time | -17:00 |
| Oakdale Idar | India Standard Time | -13:30 |
| Oakdale Idalia | Eastern Australia Time | -18:00 |
| Oakdale Illueca | Central European Time | -09:00 |
| Oakdale Ilavala Hobli | India Standard Time | -13:30 |
| Oakdale Ileret | East Africa Time | -11:00 |
| Oakdale Iligan City | Philippine Time | -16:00 |
| Oakdale Ilford | United Kingdom Time | -08:00 |
| Oakdale Ilfracombe | United Kingdom Time | -08:00 |
| Oakdale Ikšķile | Eastern European Time | -10:00 |
| Oakdale Humboldt | Central Time | -02:00 |
| Oakdale Hunter River | Atlantic Time | -04:00 |
| Oakdale Hulshout | Central European Time | -09:00 |
| Oakdale Hultsfred | Central European Time | -09:00 |
| Oakdale Hulu Langat | Malaysia Time | -16:00 |
| Oakdale Huixquilucan de Degollado | Central Time | -02:00 |
| Oakdale Hudson | Eastern Time | -03:00 |
| Oakdale Hudson Oaks | Central Time | -02:00 |
| Oakdale Hubali-Dharwad | India Standard Time | -13:30 |
| Oakdale Huez | Central European Time | -09:00 |
| Oakdale Hudsonville | Eastern Time | -03:00 |
| Oakdale Huehuetoca | Central Time | -02:00 |
| Oakdale Hyde Park | Eastern Australia Time | -18:00 |
| Oakdale Hyderabad | India Standard Time | -13:30 |
| Oakdale Hyderabad | India Standard Time | -13:30 |
| Oakdale Hyderabad | India Standard Time | -13:30 |
| Oakdale Hyderabad | India Standard Time | -13:30 |
| Oakdale Huntingdale | Western Australia Time | -16:00 |
| Oakdale Huttons Ambo | United Kingdom Time | -08:00 |
| Oakdale Huskisson | Eastern Australia Time | -19:00 |
| Oakdale Húsavík | Greenwich Mean Time | -08:00 |
| Oakdale Husborne Crawley | United Kingdom Time | -08:00 |
| Oakdale Hurstville | Eastern Australia Time | -19:00 |
| Oakdale Hurricane | Mountain Time | -01:00 |