| Grinnell Luanda | West Africa Time | -06:00 |
| Grinnell Quezon City | Philippine Time | -13:00 |
| Grinnell Addis Ababa | East Africa Time | -08:00 |
| Grinnell Nairobi | East Africa Time | -08:00 |
| Grinnell Chicago | Central Time | 00:00 |
| Grinnell Salvador | Brasilia Time | -02:00 |
| Grinnell Jaipur | India Standard Time | -10:30 |
| Grinnell Dar es Salaam | East Africa Time | -08:00 |
| Grinnell Lanzhou | China Time | -13:00 |
| Grinnell Incheon | Korean Time | -14:00 |
| Grinnell Yunfu | China Time | -13:00 |
| Grinnell Basrah | Arabian Time | -08:00 |
| Grinnell Toronto | Eastern Time | -01:00 |
| Grinnell Navi Mumbai | India Standard Time | -10:30 |
| Grinnell Osaka | Japan Time | -14:00 |
| Grinnell Mogadishu | East Africa Time | -08:00 |
| Grinnell Daegu | Korean Time | -14:00 |
| Grinnell Faisalabad | Pakistan Time | -10:00 |
| Grinnell Izmir | Turkey Time | -08:00 |
| Grinnell Dakar | Greenwich Mean Time | -05:00 |
| Grinnell Lucknow | India Standard Time | -10:30 |
| Grinnell Giza | Eastern European Time | -07:00 |
| Grinnell Fortaleza | Brasilia Time | -02:00 |
| Grinnell Cali | Colombia Time | 00:00 |
| Grinnell Surabaya | Western Indonesia Time | -12:00 |
| Grinnell Belo Horizonte | Brasilia Time | -02:00 |
| Grinnell Nanchang | China Time | -13:00 |
| Grinnell Rome | Central European Time | -07:00 |
| Grinnell Mashhad | Iran Time | -09:30 |
| Grinnell Borough of Brooklyn | Eastern Time | -01:00 |
| Grinnell Houston | Central Time | 00:00 |
| Grinnell Queens | Eastern Time | -01:00 |
| Grinnell Nagpur | India Standard Time | -10:30 |
| Grinnell Maracaibo | Venezuela Time | -01:00 |
| Grinnell Brasília | Brasilia Time | -02:00 |
| Grinnell Santo Domingo | Atlantic Time | -01:00 |
| Grinnell Nagoya | Japan Time | -14:00 |
| Grinnell Brisbane | Eastern Australia Time | -15:00 |
| Grinnell Havana | Cuba Time | -01:00 |
| Grinnell Paris | Central European Time | -07:00 |
| Grinnell Al Mawşil al Jadīdah | Arabian Time | -08:00 |
| Grinnell Johannesburg | South Africa Standard Time | -07:00 |
| Grinnell Kowloon | Hong Kong Time | -13:00 |
| Grinnell Al Başrah al Qadīmah | Arabian Time | -08:00 |
| Grinnell Almaty | East Kazakhstan Time | -11:00 |
| Grinnell Medellin | Colombia Time | 00:00 |
| Grinnell Tashkent | Uzbekistan Time | -10:00 |
| Grinnell Algiers | Central European Time | -06:00 |
| Grinnell Khartoum | Central Africa Time | -07:00 |
| Grinnell Accra | Greenwich Mean Time | -05:00 |