| Cambridge Ifran | Western European Time | -05:00 |
| Cambridge Idlib | Eastern European Time | -07:00 |
| Cambridge Idukki Township | India Standard Time | -09:30 |
| Cambridge Idyllwild-Pine Cove | Pacific Time | 03:00 |
| Cambridge Ichikawa | Japan Time | -13:00 |
| Cambridge Idar | India Standard Time | -09:30 |
| Cambridge Idalia | Eastern Australia Time | -14:00 |
| Cambridge Illueca | Central European Time | -06:00 |
| Cambridge Ilavala Hobli | India Standard Time | -09:30 |
| Cambridge Ileret | East Africa Time | -07:00 |
| Cambridge Iligan City | Philippine Time | -12:00 |
| Cambridge Ilford | United Kingdom Time | -05:00 |
| Cambridge Ilfracombe | United Kingdom Time | -05:00 |
| Cambridge Ikšķile | Eastern European Time | -07:00 |
| Cambridge Humboldt | Central Time | 01:00 |
| Cambridge Hunter River | Atlantic Time | -01:00 |
| Cambridge Hulshout | Central European Time | -06:00 |
| Cambridge Hultsfred | Central European Time | -06:00 |
| Cambridge Hulu Langat | Malaysia Time | -12:00 |
| Cambridge Huixquilucan de Degollado | Central Time | 01:00 |
| Cambridge Hudson | Eastern Time | 00:00 |
| Cambridge Hudson Oaks | Central Time | 01:00 |
| Cambridge Hubali-Dharwad | India Standard Time | -09:30 |
| Cambridge Huez | Central European Time | -06:00 |
| Cambridge Hudsonville | Eastern Time | 00:00 |
| Cambridge Huehuetoca | Central Time | 01:00 |
| Cambridge Hyde Park | Eastern Australia Time | -14:00 |
| Cambridge Hyderabad | India Standard Time | -09:30 |
| Cambridge Hyderabad | India Standard Time | -09:30 |
| Cambridge Hyderabad | India Standard Time | -09:30 |
| Cambridge Hyderabad | India Standard Time | -09:30 |
| Cambridge Huntingdale | Western Australia Time | -12:00 |
| Cambridge Huttons Ambo | United Kingdom Time | -05:00 |
| Cambridge Huskisson | Eastern Australia Time | -14:00 |
| Cambridge Húsavík | Greenwich Mean Time | -04:00 |
| Cambridge Husborne Crawley | United Kingdom Time | -05:00 |
| Cambridge Hurstville | Eastern Australia Time | -14:00 |
| Cambridge Hurricane | Mountain Time | 02:00 |