| Oak Brook Detroit | Eastern Time | -01:00 |
| Oak Brook Matola | Central Africa Time | -07:00 |
| Oak Brook Culiacán Rosales | Mexican Pacific Time | 01:00 |
| Oak Brook Zaragoza | Central European Time | -07:00 |
| Oak Brook Gorakhpur | India Standard Time | -10:30 |
| Oak Brook Xiangtan | China Time | -13:00 |
| Oak Brook Ipoh | Malaysia Time | -13:00 |
| Oak Brook Mississauga | Eastern Time | -01:00 |
| Oak Brook Boston | Eastern Time | -01:00 |
| Oak Brook Puyang Chengguanzhen | China Time | -13:00 |
| Oak Brook Nantong | China Time | -13:00 |
| Oak Brook Mudanjiang | China Time | -13:00 |
| Oak Brook Athens | Eastern European Time | -08:00 |
| Oak Brook Santo André | Brasilia Time | -02:00 |
| Oak Brook Nouakchott | Greenwich Mean Time | -05:00 |
| Oak Brook Pointe-Noire | West Africa Time | -06:00 |
| Oak Brook Aguascalientes | Central Time | 00:00 |
| Oak Brook Memphis | Central Time | 00:00 |
| Oak Brook Kryvyi Rih | Eastern European Time | -08:00 |
| Oak Brook Acapulco | Central Time | 00:00 |
| Oak Brook João Pessoa | Brasilia Time | -02:00 |
| Oak Brook Ansan-si | Korean Time | -14:00 |
| Oak Brook Benghazi | Eastern European Time | -07:00 |
| Oak Brook Frankfurt | Central European Time | -07:00 |
| Oak Brook Krasnodar | Moscow Time | -08:00 |
| Oak Brook Guilin | China Time | -13:00 |
| Oak Brook Palermo | Central European Time | -07:00 |
| Oak Brook Colombo | India Standard Time | -10:30 |
| Oak Brook Lilongwe | Central Africa Time | -07:00 |
| Oak Brook Oran | Central European Time | -06:00 |
| Oak Brook Diyarbakir | Turkey Time | -08:00 |
| Oak Brook Taguig | Philippine Time | -13:00 |
| Oak Brook New South Memphis | Central Time | 00:00 |
| Oak Brook Ulyanovsk | Ulyanovsk Time | -09:00 |
| Oak Brook Kotli | Pakistan Time | -10:00 |
| Oak Brook Okayama | Japan Time | -14:00 |
| Oak Brook Zhanjiang | China Time | -11:00 |
| Oak Brook Ahmadi | Arabian Time | -08:00 |
| Oak Brook Yogyakarta | Western Indonesia Time | -12:00 |
| Oak Brook North York | Eastern Time | -01:00 |
| Oak Brook Chișinău | Eastern European Time | -08:00 |
| Oak Brook Wrocław | Central European Time | -07:00 |
| Oak Brook Cheongju-si | Korean Time | -14:00 |
| Oak Brook Anyang-si | Korean Time | -14:00 |
| Oak Brook Tebessa | Central European Time | -06:00 |
| Oak Brook Zhenjiang | China Time | -13:00 |
| Oak Brook Portland | Pacific Time | 02:00 |
| Oak Brook Winnipeg | Central Time | 00:00 |
| Oak Brook Andong | China Time | -13:00 |
| Oak Brook Oklahoma City | Central Time | 00:00 |