| Hanover Ifran | Western European Time | -05:00 |
| Hanover Idlib | Eastern European Time | -07:00 |
| Hanover Idukki Township | India Standard Time | -10:30 |
| Hanover Idyllwild-Pine Cove | Pacific Time | 03:00 |
| Hanover Ichikawa | Japan Time | -14:00 |
| Hanover Idar | India Standard Time | -10:30 |
| Hanover Idalia | Eastern Australia Time | -15:00 |
| Hanover Illueca | Central European Time | -06:00 |
| Hanover Ilavala Hobli | India Standard Time | -10:30 |
| Hanover Ileret | East Africa Time | -08:00 |
| Hanover Iligan City | Philippine Time | -13:00 |
| Hanover Ilford | United Kingdom Time | -05:00 |
| Hanover Ilfracombe | United Kingdom Time | -05:00 |
| Hanover Ikšķile | Eastern European Time | -07:00 |
| Hanover Humboldt | Central Time | 01:00 |
| Hanover Hunter River | Atlantic Time | -01:00 |
| Hanover Hulshout | Central European Time | -06:00 |
| Hanover Hultsfred | Central European Time | -06:00 |
| Hanover Hulu Langat | Malaysia Time | -13:00 |
| Hanover Huixquilucan de Degollado | Central Time | 01:00 |
| Hanover Hudson | Eastern Time | 00:00 |
| Hanover Hudson Oaks | Central Time | 01:00 |
| Hanover Hubali-Dharwad | India Standard Time | -10:30 |
| Hanover Huez | Central European Time | -06:00 |
| Hanover Hudsonville | Eastern Time | 00:00 |
| Hanover Huehuetoca | Central Time | 01:00 |
| Hanover Hyde Park | Eastern Australia Time | -15:00 |
| Hanover Hyderabad | India Standard Time | -10:30 |
| Hanover Hyderabad | India Standard Time | -10:30 |
| Hanover Hyderabad | India Standard Time | -10:30 |
| Hanover Hyderabad | India Standard Time | -10:30 |
| Hanover Huntingdale | Western Australia Time | -13:00 |
| Hanover Huttons Ambo | United Kingdom Time | -05:00 |
| Hanover Huskisson | Eastern Australia Time | -16:00 |
| Hanover Húsavík | Greenwich Mean Time | -05:00 |
| Hanover Husborne Crawley | United Kingdom Time | -05:00 |
| Hanover Hurstville | Eastern Australia Time | -16:00 |
| Hanover Hurricane | Mountain Time | 02:00 |