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