| Grinnell Ciudad Juarez | Mountain Time | 01:00 |
| Grinnell Manhattan | Eastern Time | -01:00 |
| Grinnell Asuncion | Paraguay Time | -01:00 |
| Grinnell Recife | Brasilia Time | -02:00 |
| Grinnell Daejeon | Korean Time | -14:00 |
| Grinnell San Antonio | Central Time | 00:00 |
| Grinnell Kumasi | Greenwich Mean Time | -05:00 |
| Grinnell Kota Bharu | Malaysia Time | -13:00 |
| Grinnell Kyoto | Japan Time | -14:00 |
| Grinnell Kuala Lumpur | Malaysia Time | -13:00 |
| Grinnell Karaj | Iran Time | -09:30 |
| Grinnell Kathmandu | Nepal Time | -10:45 |
| Grinnell Palembang | Western Indonesia Time | -12:00 |
| Grinnell Multan | Pakistan Time | -10:00 |
| Grinnell Tirunelveli | India Standard Time | -10:30 |
| Grinnell Hanoi | Indochina Time | -12:00 |
| Grinnell Kharkiv | Eastern European Time | -08:00 |
| Grinnell Agra | India Standard Time | -10:30 |
| Grinnell Córdoba | Argentina Time | -02:00 |
| Grinnell Tabriz | Iran Time | -09:30 |
| Grinnell Novosibirsk | Novosibirsk Time | -12:00 |
| Grinnell Gwangju | Korean Time | -14:00 |
| Grinnell Bursa | Turkey Time | -08:00 |
| Grinnell Vadodara | India Standard Time | -10:30 |
| Grinnell Belém | Brasilia Time | -02:00 |
| Grinnell Fushun | China Time | -13:00 |
| Grinnell Quito | Ecuador Time | 00:00 |
| Grinnell San Diego | Pacific Time | 02:00 |
| Grinnell Fukuoka | Japan Time | -14:00 |
| Grinnell Antananarivo | East Africa Time | -08:00 |
| Grinnell Luoyang | China Time | -13:00 |
| Grinnell Hyderabad | Pakistan Time | -10:00 |
| Grinnell Borough of Bronx | Eastern Time | -01:00 |
| Grinnell Valencia | Venezuela Time | -01:00 |
| Grinnell Gujranwala | Pakistan Time | -10:00 |
| Grinnell Barranquilla | Colombia Time | 00:00 |
| Grinnell Guankou | China Time | -13:00 |
| Grinnell Tijuana | Pacific Time | 02:00 |
| Grinnell Lubumbashi | Central Africa Time | -07:00 |
| Grinnell Porto Alegre | Brasilia Time | -02:00 |
| Grinnell Tangerang | Western Indonesia Time | -12:00 |
| Grinnell Santa Cruz | Bolivia Time | -01:00 |
| Grinnell Handan | China Time | -13:00 |
| Grinnell Kampala | East Africa Time | -08:00 |
| Grinnell Yekaterinburg | Yekaterinburg Time | -10:00 |
| Grinnell Khulna | Bangladesh Time | -11:00 |
| Grinnell Douala | West Africa Time | -06:00 |
| Grinnell Gorakhpur | India Standard Time | -10:30 |
| Grinnell Mecca | Arabian Time | -08:00 |
| Grinnell Makassar | Central Indonesia Time | -13:00 |