| Forest Harrison Hot Springs | Pacific Time | 09:00 |
| Forest Harrison | Central Time | 07:00 |
| Forest Harwich | Eastern Time | 06:00 |
| Forest Harrodsburg | Eastern Time | 06:00 |
| Forest Harrow | United Kingdom Time | 01:00 |
| Forest Hartsdale | Eastern Time | 06:00 |
| Forest Hartselle | Central Time | 07:00 |
| Forest Hartshorne | Central Time | 07:00 |
| Forest Hartsville | Eastern Time | 06:00 |
| Forest Hartville | Eastern Time | 06:00 |
| Forest Harfleur | Central European Time | 00:00 |
| Forest Hardys Bay | Eastern Australia Time | -10:00 |
| Forest Harburg | Central European Time | 00:00 |
| Forest Hanwood | Eastern Australia Time | -10:00 |
| Forest Hanumanbari | India Standard Time | -04:30 |
| Forest Happy Valley | Pacific Time | 09:00 |
| Forest Hanover | Eastern Time | 06:00 |
| Forest Hang Dong | Indochina Time | -06:00 |
| Forest Handsworth Wood | United Kingdom Time | 01:00 |
| Forest Handforth | United Kingdom Time | 01:00 |
| Forest Hanamkonda | India Standard Time | -04:30 |
| Forest Hanau | Central European Time | 00:00 |
| Forest Hamilton | Eastern Australia Time | -10:00 |
| Forest Hämeenkyrö | Eastern European Time | -01:00 |
| Forest Hamilton Township | Eastern Time | 06:00 |
| Forest Hammerfest | Central European Time | 00:00 |
| Forest Hammersbach | Central European Time | 00:00 |
| Forest Hampton | Eastern Australia Time | -10:00 |
| Forest Hammonton | Eastern Time | 06:00 |
| Forest Hampi | India Standard Time | -04:30 |
| Forest Hammamet Sud | Central European Time | 00:00 |
| Forest Hammamet | Central European Time | 00:00 |
| Forest Halli | Eastern European Time | -01:00 |
| Forest Hallsville | Central Time | 07:00 |
| Forest Hallam | Eastern Australia Time | -10:00 |
| Forest Halifax | Eastern Time | 06:00 |
| Forest Halton Hills | Eastern Time | 06:00 |
| Forest Hamburg | Central European Time | 00:00 |
| Forest Hadleigh | United Kingdom Time | 01:00 |
| Forest Hagenow | Central European Time | 00:00 |
| Forest Hagenthal-le-Haut | Central European Time | 00:00 |
| Forest Hahndorf | Central Australia Time | -09:30 |
| Forest HaGoshrim | Israel Time | -01:00 |
| Forest Haiku-Pauwela | Hawaii-Aleutian Time | 11:00 |
| Forest Haleiwa | Hawaii-Aleutian Time | 11:00 |
| Forest Hales Corners | Central Time | 07:00 |
| Forest Half Moon Bay | Pacific Time | 09:00 |
| Forest Haldensleben | Central European Time | 00:00 |
| Forest Hakone | Japan Time | -08:00 |
| Forest Hakata Ward | Japan Time | -08:00 |