| Iskenderun Ifran | Western European Time | 03:00 |
| Iskenderun Idlib | Eastern European Time | 01:00 |
| Iskenderun Idukki Township | India Standard Time | -02:30 |
| Iskenderun Idyllwild-Pine Cove | Pacific Time | 11:00 |
| Iskenderun Ichikawa | Japan Time | -06:00 |
| Iskenderun Idar | India Standard Time | -02:30 |
| Iskenderun Idalia | Eastern Australia Time | -07:00 |
| Iskenderun Illueca | Central European Time | 02:00 |
| Iskenderun Ilavala Hobli | India Standard Time | -02:30 |
| Iskenderun Ileret | East Africa Time | 00:00 |
| Iskenderun Iligan City | Philippine Time | -05:00 |
| Iskenderun Ilford | United Kingdom Time | 03:00 |
| Iskenderun Ilfracombe | United Kingdom Time | 03:00 |
| Iskenderun Ikšķile | Eastern European Time | 01:00 |
| Iskenderun Humboldt | Central Time | 09:00 |
| Iskenderun Hunter River | Atlantic Time | 07:00 |
| Iskenderun Hulshout | Central European Time | 02:00 |
| Iskenderun Hultsfred | Central European Time | 02:00 |
| Iskenderun Hulu Langat | Malaysia Time | -05:00 |
| Iskenderun Huixquilucan de Degollado | Central Time | 09:00 |
| Iskenderun Hudson | Eastern Time | 08:00 |
| Iskenderun Hudson Oaks | Central Time | 09:00 |
| Iskenderun Hubali-Dharwad | India Standard Time | -02:30 |
| Iskenderun Huez | Central European Time | 02:00 |
| Iskenderun Hudsonville | Eastern Time | 08:00 |
| Iskenderun Huehuetoca | Central Time | 09:00 |
| Iskenderun Hyde Park | Eastern Australia Time | -07:00 |
| Iskenderun Hyderabad | India Standard Time | -02:30 |
| Iskenderun Hyderabad | India Standard Time | -02:30 |
| Iskenderun Hyderabad | India Standard Time | -02:30 |
| Iskenderun Hyderabad | India Standard Time | -02:30 |
| Iskenderun Huntingdale | Western Australia Time | -05:00 |
| Iskenderun Huttons Ambo | United Kingdom Time | 03:00 |
| Iskenderun Huskisson | Eastern Australia Time | -08:00 |
| Iskenderun Húsavík | Greenwich Mean Time | 03:00 |
| Iskenderun Husborne Crawley | United Kingdom Time | 03:00 |
| Iskenderun Hurstville | Eastern Australia Time | -08:00 |
| Iskenderun Hurricane | Mountain Time | 10:00 |