| Neftekamsk Ifran | Western European Time | 05:00 |
| Neftekamsk Idlib | Eastern European Time | 03:00 |
| Neftekamsk Idukki Township | India Standard Time | -00:30 |
| Neftekamsk Idyllwild-Pine Cove | Pacific Time | 13:00 |
| Neftekamsk Ichikawa | Japan Time | -04:00 |
| Neftekamsk Idar | India Standard Time | -00:30 |
| Neftekamsk Idalia | Eastern Australia Time | -05:00 |
| Neftekamsk Illueca | Central European Time | 04:00 |
| Neftekamsk Ilavala Hobli | India Standard Time | -00:30 |
| Neftekamsk Ileret | East Africa Time | 02:00 |
| Neftekamsk Iligan City | Philippine Time | -03:00 |
| Neftekamsk Ilford | United Kingdom Time | 05:00 |
| Neftekamsk Ilfracombe | United Kingdom Time | 05:00 |
| Neftekamsk Ikšķile | Eastern European Time | 03:00 |
| Neftekamsk Humboldt | Central Time | 11:00 |
| Neftekamsk Hunter River | Atlantic Time | 09:00 |
| Neftekamsk Hulshout | Central European Time | 04:00 |
| Neftekamsk Hultsfred | Central European Time | 04:00 |
| Neftekamsk Hulu Langat | Malaysia Time | -03:00 |
| Neftekamsk Huixquilucan de Degollado | Central Time | 11:00 |
| Neftekamsk Hudson | Eastern Time | 10:00 |
| Neftekamsk Hudson Oaks | Central Time | 11:00 |
| Neftekamsk Hubali-Dharwad | India Standard Time | -00:30 |
| Neftekamsk Huez | Central European Time | 04:00 |
| Neftekamsk Hudsonville | Eastern Time | 10:00 |
| Neftekamsk Huehuetoca | Central Time | 11:00 |
| Neftekamsk Hyde Park | Eastern Australia Time | -05:00 |
| Neftekamsk Hyderabad | India Standard Time | -00:30 |
| Neftekamsk Hyderabad | India Standard Time | -00:30 |
| Neftekamsk Hyderabad | India Standard Time | -00:30 |
| Neftekamsk Hyderabad | India Standard Time | -00:30 |
| Neftekamsk Huntingdale | Western Australia Time | -03:00 |
| Neftekamsk Huttons Ambo | United Kingdom Time | 05:00 |
| Neftekamsk Huskisson | Eastern Australia Time | -06:00 |
| Neftekamsk Húsavík | Greenwich Mean Time | 05:00 |
| Neftekamsk Husborne Crawley | United Kingdom Time | 05:00 |
| Neftekamsk Hurstville | Eastern Australia Time | -06:00 |
| Neftekamsk Hurricane | Mountain Time | 12:00 |