| Galena Hillsborough | Eastern Time | -01:00 |
| Galena Hijrat Al Harah | Arabian Time | -08:00 |
| Galena Hikkaduwa | India Standard Time | -10:30 |
| Galena Hill City | Mountain Time | 01:00 |
| Galena Hillarys | Western Australia Time | -13:00 |
| Galena Highgate | Western Australia Time | -13:00 |
| Galena High Falls | Eastern Time | -01:00 |
| Galena Higashiyama Ward | Japan Time | -14:00 |
| Galena Highland Heights | Eastern Time | -01:00 |
| Galena Highnam | United Kingdom Time | -06:00 |
| Galena Highton | Eastern Australia Time | -15:00 |
| Galena Hewlett | Eastern Time | -01:00 |
| Galena Hexham | Eastern Australia Time | -15:00 |
| Galena Hexham | United Kingdom Time | -06:00 |
| Galena Heydon | United Kingdom Time | -06:00 |
| Galena Higashi Ward | Japan Time | -14:00 |
| Galena Higashihiroshima | Japan Time | -14:00 |
| Galena Hidalgo | Central Time | 00:00 |
| Galena Inala | Eastern Australia Time | -15:00 |
| Galena Inari | Eastern European Time | -08:00 |
| Galena Indialantic | Eastern Time | -01:00 |
| Galena Indian Harbour Beach | Eastern Time | -01:00 |
| Galena Indian Rocks Beach | Eastern Time | -01:00 |
| Galena Incline Village | Pacific Time | 02:00 |
| Galena Inez | Eastern Time | -01:00 |
| Galena Ingersoll | Eastern Time | -01:00 |
| Galena Ingleburn | Eastern Australia Time | -15:00 |
| Galena Indiana | Eastern Time | -01:00 |
| Galena Indapur | India Standard Time | -10:30 |
| Galena Innaloo | Western Australia Time | -13:00 |
| Galena Inishmore | Ireland Time | -06:00 |
| Galena Intra | Central European Time | -07:00 |
| Galena Inzell | Central European Time | -07:00 |
| Galena Inverurie | United Kingdom Time | -06:00 |
| Galena Inverleigh | Eastern Australia Time | -15:00 |
| Galena Iphofen | Central European Time | -07:00 |
| Galena Iowa Park | Central Time | 00:00 |
| Galena Ipswich | Eastern Time | -01:00 |
| Galena Foley | Central Time | 00:00 |
| Galena Folgarida | Central European Time | -07:00 |
| Galena Foia d'Elx | Central European Time | -07:00 |
| Galena Foissiat | Central European Time | -07:00 |
| Galena Folly Beach | Eastern Time | -01:00 |
| Galena Flowood | Central Time | 00:00 |
| Galena Floyd | Eastern Time | -01:00 |
| Galena Flushing | United Kingdom Time | -06:00 |
| Galena Fly Creek | Eastern Time | -01:00 |
| Galena Flowery Branch | Eastern Time | -01:00 |
| Galena Florida City | Eastern Time | -01:00 |
| Galena Forest | Central European Time | -07:00 |