| Willaston Ifran | Western European Time | -01:00 |
| Willaston Idlib | Eastern European Time | -02:00 |
| Willaston Idukki Township | India Standard Time | -05:30 |
| Willaston Idyllwild-Pine Cove | Pacific Time | 08:00 |
| Willaston Ichikawa | Japan Time | -09:00 |
| Willaston Idar | India Standard Time | -05:30 |
| Willaston Idalia | Eastern Australia Time | -10:00 |
| Willaston Illueca | Central European Time | -01:00 |
| Willaston Ilavala Hobli | India Standard Time | -05:30 |
| Willaston Ileret | East Africa Time | -03:00 |
| Willaston Iligan City | Philippine Time | -08:00 |
| Willaston Ilford | United Kingdom Time | 00:00 |
| Willaston Ilfracombe | United Kingdom Time | 00:00 |
| Willaston Ikšķile | Eastern European Time | -02:00 |
| Willaston Humboldt | Central Time | 06:00 |
| Willaston Hunter River | Atlantic Time | 04:00 |
| Willaston Hulshout | Central European Time | -01:00 |
| Willaston Hultsfred | Central European Time | -01:00 |
| Willaston Hulu Langat | Malaysia Time | -08:00 |
| Willaston Huixquilucan de Degollado | Central Time | 06:00 |
| Willaston Hudson | Eastern Time | 05:00 |
| Willaston Hudson Oaks | Central Time | 06:00 |
| Willaston Hubali-Dharwad | India Standard Time | -05:30 |
| Willaston Huez | Central European Time | -01:00 |
| Willaston Hudsonville | Eastern Time | 05:00 |
| Willaston Huehuetoca | Central Time | 06:00 |
| Willaston Hyde Park | Eastern Australia Time | -10:00 |
| Willaston Hyderabad | India Standard Time | -05:30 |
| Willaston Hyderabad | India Standard Time | -05:30 |
| Willaston Hyderabad | India Standard Time | -05:30 |
| Willaston Hyderabad | India Standard Time | -05:30 |
| Willaston Huntingdale | Western Australia Time | -08:00 |
| Willaston Huttons Ambo | United Kingdom Time | 00:00 |
| Willaston Huskisson | Eastern Australia Time | -11:00 |
| Willaston Húsavík | Greenwich Mean Time | 00:00 |
| Willaston Husborne Crawley | United Kingdom Time | 00:00 |
| Willaston Hurstville | Eastern Australia Time | -11:00 |
| Willaston Hurricane | Mountain Time | 07:00 |