| Gilbert Harris Park | Eastern Australia Time | -17:00 |
| Gilbert Harpers Ferry | Eastern Time | -03:00 |
| Gilbert Haro | Central European Time | -09:00 |
| Gilbert Harrison Hot Springs | Pacific Time | 00:00 |
| Gilbert Harrison | Central Time | -02:00 |
| Gilbert Harrodsburg | Eastern Time | -03:00 |
| Gilbert Harrow | United Kingdom Time | -08:00 |
| Gilbert Groton | Eastern Time | -03:00 |
| Gilbert Grottammare | Central European Time | -09:00 |
| Gilbert Grüningen | Central European Time | -09:00 |
| Gilbert Grover Beach | Pacific Time | 00:00 |
| Gilbert Gruissan | Central European Time | -09:00 |
| Gilbert Grönland | Central European Time | -09:00 |
| Gilbert Grosse Pointe Park | Eastern Time | -03:00 |
| Gilbert Großpostwitz | Central European Time | -09:00 |
| Gilbert Groß Grönau | Central European Time | -09:00 |
| Gilbert Großerlach | Central European Time | -09:00 |
| Gilbert Gangavathi | India Standard Time | -12:30 |
| Gilbert Garbahaarrey | East Africa Time | -10:00 |
| Gilbert Greenway | Eastern Australia Time | -17:00 |
| Gilbert Greenwich | Eastern Time | -03:00 |
| Gilbert Greenwood Village | Mountain Time | -01:00 |
| Gilbert Grenzach-Wyhlen | Central European Time | -09:00 |
| Gilbert Grevesmühlen | Central European Time | -09:00 |
| Gilbert Greystoke | United Kingdom Time | -08:00 |
| Gilbert Greyton | South Africa Standard Time | -09:00 |
| Gilbert Grezzana | Central European Time | -09:00 |
| Gilbert Grindelwald | Central European Time | -09:00 |
| Gilbert Grinnell | Central Time | -02:00 |
| Gilbert Gaira | Colombia Time | -02:00 |
| Gilbert Fa Ham | Indochina Time | -14:00 |
| Gilbert Gainesboro | Central Time | -02:00 |
| Gilbert Galena | Central Time | -02:00 |
| Gilbert Galera | Central European Time | -09:00 |
| Gilbert Gampaha | India Standard Time | -12:30 |
| Gilbert Gananoque | Eastern Time | -03:00 |
| Gilbert Gambrills | Eastern Time | -03:00 |
| Gilbert Gamboa | Eastern Time | -02:00 |
| Gilbert Gandhinagar | India Standard Time | -12:30 |
| Gilbert Gambhirpura | India Standard Time | -12:30 |
| Gilbert Gällivare | Central European Time | -09:00 |
| Gilbert Galloway | Eastern Time | -03:00 |
| Gilbert Galston | United Kingdom Time | -08:00 |
| Gilbert Jette | Central European Time | -09:00 |
| Gilbert Jettingen-Scheppach | Central European Time | -09:00 |
| Gilbert Ifran | Western European Time | -08:00 |
| Gilbert Jhikli Ambwari | India Standard Time | -12:30 |
| Gilbert Hyde Park | Eastern Australia Time | -17:00 |
| Gilbert Havertown | Eastern Time | -03:00 |
| Gilbert Hyderabad | India Standard Time | -12:30 |