| Blackwood Harrison Hot Springs | Pacific Time | 18:30 |
| Blackwood Harrison | Central Time | 16:30 |
| Blackwood Harwich | Eastern Time | 15:30 |
| Blackwood Harrodsburg | Eastern Time | 15:30 |
| Blackwood Harrow | United Kingdom Time | 10:30 |
| Blackwood Hartsdale | Eastern Time | 15:30 |
| Blackwood Hartselle | Central Time | 16:30 |
| Blackwood Hartshorne | Central Time | 16:30 |
| Blackwood Hartsville | Eastern Time | 15:30 |
| Blackwood Hartville | Eastern Time | 15:30 |
| Blackwood Harfleur | Central European Time | 09:30 |
| Blackwood Hardys Bay | Eastern Australia Time | -00:30 |
| Blackwood Harburg | Central European Time | 09:30 |
| Blackwood Hanwood | Eastern Australia Time | -00:30 |
| Blackwood Hanumanbari | India Standard Time | 05:00 |
| Blackwood Happy Valley | Pacific Time | 18:30 |
| Blackwood Hanover | Eastern Time | 15:30 |
| Blackwood Hang Dong | Indochina Time | 03:30 |
| Blackwood Handsworth Wood | United Kingdom Time | 10:30 |
| Blackwood Handforth | United Kingdom Time | 10:30 |
| Blackwood Hanamkonda | India Standard Time | 05:00 |
| Blackwood Hanau | Central European Time | 09:30 |
| Blackwood Hamilton | Eastern Australia Time | -00:30 |
| Blackwood Hämeenkyrö | Eastern European Time | 08:30 |
| Blackwood Hamilton Township | Eastern Time | 15:30 |
| Blackwood Hammerfest | Central European Time | 09:30 |
| Blackwood Hammersbach | Central European Time | 09:30 |
| Blackwood Hampton | Eastern Australia Time | -00:30 |
| Blackwood Hammonton | Eastern Time | 15:30 |
| Blackwood Hampi | India Standard Time | 05:00 |
| Blackwood Hammamet Sud | Central European Time | 09:30 |
| Blackwood Hammamet | Central European Time | 09:30 |
| Blackwood Halli | Eastern European Time | 08:30 |
| Blackwood Hallsville | Central Time | 16:30 |
| Blackwood Hallam | Eastern Australia Time | -00:30 |
| Blackwood Halifax | Eastern Time | 15:30 |
| Blackwood Halton Hills | Eastern Time | 15:30 |
| Blackwood Hamburg | Central European Time | 09:30 |
| Blackwood Hadleigh | United Kingdom Time | 10:30 |
| Blackwood Hagenow | Central European Time | 09:30 |
| Blackwood Hagenthal-le-Haut | Central European Time | 09:30 |
| Blackwood Hahndorf | Central Australia Time | 00:00 |
| Blackwood HaGoshrim | Israel Time | 08:30 |
| Blackwood Haiku-Pauwela | Hawaii-Aleutian Time | 20:30 |
| Blackwood Haleiwa | Hawaii-Aleutian Time | 20:30 |
| Blackwood Hales Corners | Central Time | 16:30 |
| Blackwood Half Moon Bay | Pacific Time | 18:30 |
| Blackwood Haldensleben | Central European Time | 09:30 |
| Blackwood Hakone | Japan Time | 01:30 |
| Blackwood Hakata Ward | Japan Time | 01:30 |