| Suginami Hainesport | Eastern Time | 14:00 |
| Suginami Gutach | Central European Time | 08:00 |
| Suginami Gustine | Pacific Time | 17:00 |
| Suginami Guthrie | Central Time | 15:00 |
| Suginami Gwoździany | Central European Time | 08:00 |
| Suginami Gymea | Eastern Australia Time | -02:00 |
| Suginami Gympie | Eastern Australia Time | -01:00 |
| Suginami Gyeongju-si | Korean Time | 00:00 |
| Suginami Gzira | Central European Time | 08:00 |
| Suginami Habarakada | India Standard Time | 03:30 |
| Suginami Hackettstown | Eastern Time | 14:00 |
| Suginami Gulf Breeze | Central Time | 15:00 |
| Suginami Gulf Shores | Central Time | 15:00 |
| Suginami Gum Spring | Eastern Time | 14:00 |
| Suginami Gura Râului | Eastern European Time | 07:00 |
| Suginami Gurdaspur | India Standard Time | 03:30 |
| Suginami Gun Barrel City | Central Time | 15:00 |
| Suginami Guniyal Gaon | India Standard Time | 03:30 |
| Suginami Guntersville | Central Time | 15:00 |
| Suginami Gualala | Pacific Time | 17:00 |
| Suginami Guanica | Atlantic Time | 13:00 |
| Suginami Guar Chempedak | Malaysia Time | 01:00 |
| Suginami Grüningen | Central European Time | 08:00 |
| Suginami Guadalupe | Central Time | 15:00 |
| Suginami Grover Beach | Pacific Time | 17:00 |
| Suginami Gruissan | Central European Time | 08:00 |
| Suginami Groton | Eastern Time | 14:00 |
| Suginami Grottammare | Central European Time | 08:00 |
| Suginami Guerneville | Pacific Time | 17:00 |
| Suginami Guildford | Eastern Australia Time | -02:00 |
| Suginami Guardiagrele | Central European Time | 08:00 |
| Suginami Guarne | Colombia Time | 14:00 |
| Suginami Guatapé | Colombia Time | 14:00 |
| Suginami Gudalur | India Standard Time | 03:30 |
| Suginami Guayana City | Venezuela Time | 13:00 |
| Suginami Horsley | Eastern Australia Time | -02:00 |
| Suginami Horseheads | Eastern Time | 14:00 |
| Suginami Hoshiarpur | India Standard Time | 03:30 |
| Suginami Horebeke | Central European Time | 08:00 |
| Suginami Hopland | Pacific Time | 17:00 |
| Suginami Horní Věstonice | Central European Time | 08:00 |
| Suginami Horning | United Kingdom Time | 09:00 |
| Suginami Hope | Central Time | 15:00 |
| Suginami Hope | Pacific Time | 17:00 |
| Suginami Hope Island | Eastern Australia Time | -01:00 |
| Suginami Hooksett | Eastern Time | 14:00 |
| Suginami Honnihalli | India Standard Time | 03:30 |
| Suginami Honiton | United Kingdom Time | 09:00 |
| Suginami Honesdale | Eastern Time | 14:00 |
| Suginami Honfleur | Central European Time | 08:00 |