| Dalhousie Ifran | Western European Time | 04:30 |
| Dalhousie Idlib | Eastern European Time | 03:30 |
| Dalhousie Idukki Township | India Standard Time | 00:00 |
| Dalhousie Idyllwild-Pine Cove | Pacific Time | 13:30 |
| Dalhousie Ichikawa | Japan Time | -03:30 |
| Dalhousie Idar | India Standard Time | 00:00 |
| Dalhousie Idalia | Eastern Australia Time | -04:30 |
| Dalhousie Illueca | Central European Time | 04:30 |
| Dalhousie Ilavala Hobli | India Standard Time | 00:00 |
| Dalhousie Ileret | East Africa Time | 02:30 |
| Dalhousie Iligan City | Philippine Time | -02:30 |
| Dalhousie Ilford | United Kingdom Time | 05:30 |
| Dalhousie Ilfracombe | United Kingdom Time | 05:30 |
| Dalhousie Ikšķile | Eastern European Time | 03:30 |
| Dalhousie Humboldt | Central Time | 11:30 |
| Dalhousie Hunter River | Atlantic Time | 09:30 |
| Dalhousie Hulshout | Central European Time | 04:30 |
| Dalhousie Hultsfred | Central European Time | 04:30 |
| Dalhousie Hulu Langat | Malaysia Time | -02:30 |
| Dalhousie Huixquilucan de Degollado | Central Time | 11:30 |
| Dalhousie Hudson | Eastern Time | 10:30 |
| Dalhousie Hudson Oaks | Central Time | 11:30 |
| Dalhousie Hubali-Dharwad | India Standard Time | 00:00 |
| Dalhousie Huez | Central European Time | 04:30 |
| Dalhousie Hudsonville | Eastern Time | 10:30 |
| Dalhousie Huehuetoca | Central Time | 11:30 |
| Dalhousie Hyde Park | Eastern Australia Time | -04:30 |
| Dalhousie Hyderabad | India Standard Time | 00:00 |
| Dalhousie Hyderabad | India Standard Time | 00:00 |
| Dalhousie Hyderabad | India Standard Time | 00:00 |
| Dalhousie Hyderabad | India Standard Time | 00:00 |
| Dalhousie Huntingdale | Western Australia Time | -02:30 |
| Dalhousie Huttons Ambo | United Kingdom Time | 05:30 |
| Dalhousie Huskisson | Eastern Australia Time | -05:30 |
| Dalhousie Húsavík | Greenwich Mean Time | 05:30 |
| Dalhousie Husborne Crawley | United Kingdom Time | 05:30 |
| Dalhousie Hurstville | Eastern Australia Time | -05:30 |
| Dalhousie Hurricane | Mountain Time | 12:30 |