| Wellin Higashihiroshima | Japan Time | -08:00 |
| Wellin Hidalgo | Central Time | 07:00 |
| Wellin Hillsville | Eastern Time | 06:00 |
| Wellin Hilmar | Pacific Time | 09:00 |
| Wellin Hill City | Mountain Time | 08:00 |
| Wellin Hillarys | Western Australia Time | -07:00 |
| Wellin Hijrat Al Harah | Arabian Time | -02:00 |
| Wellin Hikkaduwa | India Standard Time | -04:30 |
| Wellin Highland Heights | Eastern Time | 06:00 |
| Wellin Highnam | United Kingdom Time | 01:00 |
| Wellin Highton | Eastern Australia Time | -10:00 |
| Wellin Hérémence | Central European Time | 00:00 |
| Wellin Heringsdorf | Central European Time | 00:00 |
| Wellin Henrico | Eastern Time | 06:00 |
| Wellin Hepburn Springs | Eastern Australia Time | -10:00 |
| Wellin Hephzibah | Eastern Time | 06:00 |
| Wellin Henndorf am Wallersee | Central European Time | 00:00 |
| Wellin Herodsfoot | United Kingdom Time | 01:00 |
| Wellin Hessle | United Kingdom Time | 01:00 |
| Wellin Herve | Central European Time | 00:00 |
| Wellin Herrin | Central Time | 07:00 |
| Wellin Hershey | Eastern Time | 06:00 |
| Wellin Herrera de Pisuerga | Central European Time | 00:00 |
| Wellin Heguri | Japan Time | -08:00 |
| Wellin Heftziba | Israel Time | -01:00 |
| Wellin Heidenheim | Central European Time | 00:00 |
| Wellin Heimenkirch | Central European Time | 00:00 |
| Wellin Hendersonville | Eastern Time | 06:00 |
| Wellin Hemmadi | India Standard Time | -04:30 |
| Wellin Helen | Eastern Time | 06:00 |
| Wellin Helmsley | United Kingdom Time | 01:00 |
| Wellin Haymarket | Eastern Australia Time | -10:00 |
| Wellin Haymarket | Eastern Time | 06:00 |
| Wellin Hayti | Central Time | 07:00 |
| Wellin Hazelwood Park | Central Australia Time | -09:30 |
| Wellin Hazlehurst | Eastern Time | 06:00 |
| Wellin Headingley | Central Time | 07:00 |
| Wellin Headland | Central Time | 07:00 |
| Wellin Healdsburg | Pacific Time | 09:00 |
| Wellin Hebden Bridge | United Kingdom Time | 01:00 |
| Wellin Heber Springs | Central Time | 07:00 |
| Wellin Heath | Central Time | 07:00 |
| Wellin Heathmont | Eastern Australia Time | -10:00 |
| Wellin Heathridge | Western Australia Time | -07:00 |
| Wellin Hayden | Pacific Time | 09:00 |
| Wellin Hawthorn | Eastern Australia Time | -10:00 |
| Wellin Hawthorn East | Eastern Australia Time | -10:00 |
| Wellin Hawaiian Paradise Park | Hawaii-Aleutian Time | 11:00 |
| Wellin Hawera | New Zealand Time | -12:00 |
| Wellin Hawes | United Kingdom Time | 01:00 |