| Dorrego Harrison Hot Springs | Pacific Time | 04:00 |
| Dorrego Harrison | Central Time | 02:00 |
| Dorrego Harwich | Eastern Time | 01:00 |
| Dorrego Harrodsburg | Eastern Time | 01:00 |
| Dorrego Harrow | United Kingdom Time | -04:00 |
| Dorrego Hartsdale | Eastern Time | 01:00 |
| Dorrego Hartselle | Central Time | 02:00 |
| Dorrego Hartshorne | Central Time | 02:00 |
| Dorrego Hartsville | Eastern Time | 01:00 |
| Dorrego Hartville | Eastern Time | 01:00 |
| Dorrego Harfleur | Central European Time | -05:00 |
| Dorrego Hardys Bay | Eastern Australia Time | -13:00 |
| Dorrego Harburg | Central European Time | -05:00 |
| Dorrego Hanwood | Eastern Australia Time | -13:00 |
| Dorrego Hanumanbari | India Standard Time | -08:30 |
| Dorrego Happy Valley | Pacific Time | 04:00 |
| Dorrego Hanover | Eastern Time | 01:00 |
| Dorrego Hang Dong | Indochina Time | -10:00 |
| Dorrego Handsworth Wood | United Kingdom Time | -04:00 |
| Dorrego Handforth | United Kingdom Time | -04:00 |
| Dorrego Hanamkonda | India Standard Time | -08:30 |
| Dorrego Hanau | Central European Time | -05:00 |
| Dorrego Hamilton | Eastern Australia Time | -13:00 |
| Dorrego Hämeenkyrö | Eastern European Time | -06:00 |
| Dorrego Hamilton Township | Eastern Time | 01:00 |
| Dorrego Hammerfest | Central European Time | -05:00 |
| Dorrego Hammersbach | Central European Time | -05:00 |
| Dorrego Hampton | Eastern Australia Time | -13:00 |
| Dorrego Hammonton | Eastern Time | 01:00 |
| Dorrego Hampi | India Standard Time | -08:30 |
| Dorrego Hammamet Sud | Central European Time | -04:00 |
| Dorrego Hammamet | Central European Time | -04:00 |
| Dorrego Halli | Eastern European Time | -06:00 |
| Dorrego Hallsville | Central Time | 02:00 |
| Dorrego Hallam | Eastern Australia Time | -13:00 |
| Dorrego Halifax | Eastern Time | 01:00 |
| Dorrego Halton Hills | Eastern Time | 01:00 |
| Dorrego Hamburg | Central European Time | -05:00 |
| Dorrego Hadleigh | United Kingdom Time | -04:00 |
| Dorrego Hagenow | Central European Time | -05:00 |
| Dorrego Hagenthal-le-Haut | Central European Time | -05:00 |
| Dorrego Hahndorf | Central Australia Time | -12:30 |
| Dorrego HaGoshrim | Israel Time | -06:00 |
| Dorrego Haiku-Pauwela | Hawaii-Aleutian Time | 07:00 |
| Dorrego Haleiwa | Hawaii-Aleutian Time | 07:00 |
| Dorrego Hales Corners | Central Time | 02:00 |
| Dorrego Half Moon Bay | Pacific Time | 04:00 |
| Dorrego Haldensleben | Central European Time | -05:00 |
| Dorrego Hakone | Japan Time | -12:00 |
| Dorrego Hakata Ward | Japan Time | -12:00 |