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