| Suining Ifran | Western European Time | 08:00 |
| Suining Idlib | Eastern European Time | 06:00 |
| Suining Idukki Township | India Standard Time | 02:30 |
| Suining Idyllwild-Pine Cove | Pacific Time | 16:00 |
| Suining Ichikawa | Japan Time | -01:00 |
| Suining Idar | India Standard Time | 02:30 |
| Suining Idalia | Eastern Australia Time | -02:00 |
| Suining Illueca | Central European Time | 07:00 |
| Suining Ilavala Hobli | India Standard Time | 02:30 |
| Suining Ileret | East Africa Time | 05:00 |
| Suining Iligan City | Philippine Time | 00:00 |
| Suining Ilford | United Kingdom Time | 08:00 |
| Suining Ilfracombe | United Kingdom Time | 08:00 |
| Suining Ikšķile | Eastern European Time | 06:00 |
| Suining Humboldt | Central Time | 14:00 |
| Suining Hunter River | Atlantic Time | 12:00 |
| Suining Hulshout | Central European Time | 07:00 |
| Suining Hultsfred | Central European Time | 07:00 |
| Suining Hulu Langat | Malaysia Time | 00:00 |
| Suining Huixquilucan de Degollado | Central Time | 14:00 |
| Suining Hudson | Eastern Time | 13:00 |
| Suining Hudson Oaks | Central Time | 14:00 |
| Suining Hubali-Dharwad | India Standard Time | 02:30 |
| Suining Huez | Central European Time | 07:00 |
| Suining Hudsonville | Eastern Time | 13:00 |
| Suining Huehuetoca | Central Time | 14:00 |
| Suining Hyde Park | Eastern Australia Time | -02:00 |
| Suining Hyderabad | India Standard Time | 02:30 |
| Suining Hyderabad | India Standard Time | 02:30 |
| Suining Hyderabad | India Standard Time | 02:30 |
| Suining Hyderabad | India Standard Time | 02:30 |
| Suining Huntingdale | Western Australia Time | 00:00 |
| Suining Huttons Ambo | United Kingdom Time | 08:00 |
| Suining Huskisson | Eastern Australia Time | -03:00 |
| Suining Húsavík | Greenwich Mean Time | 08:00 |
| Suining Husborne Crawley | United Kingdom Time | 08:00 |
| Suining Hurstville | Eastern Australia Time | -03:00 |
| Suining Hurricane | Mountain Time | 15:00 |