| River Forest Ciudad Juarez | Mountain Time | 01:00 |
| River Forest Manhattan | Eastern Time | -01:00 |
| River Forest Asuncion | Paraguay Time | -03:00 |
| River Forest Recife | Brasilia Time | -03:00 |
| River Forest Daejeon | Korean Time | -15:00 |
| River Forest San Antonio | Central Time | 00:00 |
| River Forest Kumasi | Greenwich Mean Time | -06:00 |
| River Forest Kota Bharu | Malaysia Time | -14:00 |
| River Forest Kyoto | Japan Time | -15:00 |
| River Forest Kuala Lumpur | Malaysia Time | -14:00 |
| River Forest Karaj | Iran Time | -09:30 |
| River Forest Kathmandu | Nepal Time | -11:45 |
| River Forest Palembang | Western Indonesia Time | -13:00 |
| River Forest Multan | Pakistan Time | -11:00 |
| River Forest Tirunelveli | India Standard Time | -11:30 |
| River Forest Hanoi | Indochina Time | -13:00 |
| River Forest Kharkiv | Eastern European Time | -08:00 |
| River Forest Agra | India Standard Time | -11:30 |
| River Forest Córdoba | Argentina Time | -03:00 |
| River Forest Tabriz | Iran Time | -09:30 |
| River Forest Novosibirsk | Novosibirsk Time | -13:00 |
| River Forest Gwangju | Korean Time | -15:00 |
| River Forest Bursa | Turkey Time | -09:00 |
| River Forest Vadodara | India Standard Time | -11:30 |
| River Forest Belém | Brasilia Time | -03:00 |
| River Forest Fushun | China Time | -14:00 |
| River Forest Quito | Ecuador Time | -01:00 |
| River Forest San Diego | Pacific Time | 02:00 |
| River Forest Fukuoka | Japan Time | -15:00 |
| River Forest Antananarivo | East Africa Time | -09:00 |
| River Forest Luoyang | China Time | -14:00 |
| River Forest Hyderabad | Pakistan Time | -11:00 |
| River Forest Borough of Bronx | Eastern Time | -01:00 |
| River Forest Valencia | Venezuela Time | -02:00 |
| River Forest Gujranwala | Pakistan Time | -11:00 |
| River Forest Barranquilla | Colombia Time | -01:00 |
| River Forest Guankou | China Time | -14:00 |
| River Forest Tijuana | Pacific Time | 02:00 |
| River Forest Lubumbashi | Central Africa Time | -08:00 |
| River Forest Porto Alegre | Brasilia Time | -03:00 |
| River Forest Tangerang | Western Indonesia Time | -13:00 |
| River Forest Santa Cruz | Bolivia Time | -02:00 |
| River Forest Handan | China Time | -14:00 |
| River Forest Kampala | East Africa Time | -09:00 |
| River Forest Yekaterinburg | Yekaterinburg Time | -11:00 |
| River Forest Khulna | Bangladesh Time | -12:00 |
| River Forest Douala | West Africa Time | -07:00 |
| River Forest Gorakhpur | India Standard Time | -11:30 |
| River Forest Mecca | Arabian Time | -09:00 |
| River Forest Makassar | Central Indonesia Time | -14:00 |