| Dexter Ifran | Western European Time | -07:00 |
| Dexter Idlib | Eastern European Time | -08:00 |
| Dexter Idukki Township | India Standard Time | -11:30 |
| Dexter Idyllwild-Pine Cove | Pacific Time | 02:00 |
| Dexter Ichikawa | Japan Time | -15:00 |
| Dexter Idar | India Standard Time | -11:30 |
| Dexter Idalia | Eastern Australia Time | -16:00 |
| Dexter Illueca | Central European Time | -07:00 |
| Dexter Ilavala Hobli | India Standard Time | -11:30 |
| Dexter Ileret | East Africa Time | -09:00 |
| Dexter Iligan City | Philippine Time | -14:00 |
| Dexter Ilford | United Kingdom Time | -06:00 |
| Dexter Ilfracombe | United Kingdom Time | -06:00 |
| Dexter Ikšķile | Eastern European Time | -08:00 |
| Dexter Humboldt | Central Time | 00:00 |
| Dexter Hunter River | Atlantic Time | -02:00 |
| Dexter Hulshout | Central European Time | -07:00 |
| Dexter Hultsfred | Central European Time | -07:00 |
| Dexter Hulu Langat | Malaysia Time | -14:00 |
| Dexter Huixquilucan de Degollado | Central Time | 00:00 |
| Dexter Hudson | Eastern Time | -01:00 |
| Dexter Hudson Oaks | Central Time | 00:00 |
| Dexter Hubali-Dharwad | India Standard Time | -11:30 |
| Dexter Huez | Central European Time | -07:00 |
| Dexter Hudsonville | Eastern Time | -01:00 |
| Dexter Huehuetoca | Central Time | 00:00 |
| Dexter Hyde Park | Eastern Australia Time | -16:00 |
| Dexter Hyderabad | India Standard Time | -11:30 |
| Dexter Hyderabad | India Standard Time | -11:30 |
| Dexter Hyderabad | India Standard Time | -11:30 |
| Dexter Hyderabad | India Standard Time | -11:30 |
| Dexter Huntingdale | Western Australia Time | -14:00 |
| Dexter Huttons Ambo | United Kingdom Time | -06:00 |
| Dexter Huskisson | Eastern Australia Time | -17:00 |
| Dexter Húsavík | Greenwich Mean Time | -06:00 |
| Dexter Husborne Crawley | United Kingdom Time | -06:00 |
| Dexter Hurstville | Eastern Australia Time | -17:00 |
| Dexter Hurricane | Mountain Time | 01:00 |