| Silveira Hazlehurst | Eastern Time | 05:00 |
| Silveira Heath | Central Time | 06:00 |
| Silveira Heathmont | Eastern Australia Time | -09:00 |
| Silveira Heathridge | Western Australia Time | -07:00 |
| Silveira Headingley | Central Time | 06:00 |
| Silveira Headland | Central Time | 06:00 |
| Silveira Healdsburg | Pacific Time | 08:00 |
| Silveira Hayden | Pacific Time | 08:00 |
| Silveira Hayti | Central Time | 06:00 |
| Silveira Haymarket | Eastern Australia Time | -09:00 |
| Silveira Haymarket | Eastern Time | 05:00 |
| Silveira Guadalupe | Central Time | 06:00 |
| Silveira Hawthorn | Eastern Australia Time | -09:00 |
| Silveira Hawthorn East | Eastern Australia Time | -09:00 |
| Silveira Hawera | New Zealand Time | -11:00 |
| Silveira Hawes | United Kingdom Time | 00:00 |
| Silveira Hawkesbury | Eastern Time | 05:00 |
| Silveira Heftziba | Israel Time | -02:00 |
| Silveira Heguri | Japan Time | -08:00 |
| Silveira Heidenheim | Central European Time | -01:00 |
| Silveira Heimenkirch | Central European Time | -01:00 |
| Silveira Helen | Eastern Time | 05:00 |
| Silveira Hyde Park | Eastern Australia Time | -09:00 |
| Silveira Helmsley | United Kingdom Time | 00:00 |
| Silveira Hyderabad | India Standard Time | -04:30 |
| Silveira Hyderabad | India Standard Time | -04:30 |
| Silveira Hyderabad | India Standard Time | -04:30 |
| Silveira Hyderabad | India Standard Time | -04:30 |
| Silveira Jette | Central European Time | -01:00 |
| Silveira Jettingen-Scheppach | Central European Time | -01:00 |
| Silveira Ifran | Western European Time | 00:00 |
| Silveira Idalia | Eastern Australia Time | -09:00 |
| Silveira Idar | India Standard Time | -04:30 |
| Silveira Idlib | Eastern European Time | -02:00 |
| Silveira Idukki Township | India Standard Time | -04:30 |
| Silveira Idyllwild-Pine Cove | Pacific Time | 08:00 |
| Silveira Ichikawa | Japan Time | -08:00 |
| Silveira Kemptville | Eastern Time | 05:00 |
| Silveira Kemberg | Central European Time | -01:00 |
| Silveira Kelibia | Central European Time | 00:00 |
| Silveira Kelmarsh | United Kingdom Time | 00:00 |
| Silveira Kelshi | India Standard Time | -04:30 |
| Silveira Kelso | Eastern Australia Time | -09:00 |
| Silveira Kelso | United Kingdom Time | 00:00 |
| Silveira Kelsterbach | Central European Time | -01:00 |
| Silveira Kelston | United Kingdom Time | 00:00 |
| Silveira Kelvin Grove | Eastern Australia Time | -09:00 |
| Silveira Kemah | Central Time | 06:00 |
| Silveira Kennebunkport | Eastern Time | 05:00 |
| Silveira Kenmore | Eastern Australia Time | -09:00 |