| Oak Brook Summerland | Pacific Time | 02:00 |
| Oak Brook Buttonwillow | Pacific Time | 02:00 |
| Oak Brook Elstree | United Kingdom Time | -06:00 |
| Oak Brook Jaimalwala Alias Pireana | India Standard Time | -10:30 |
| Oak Brook Sujapur | India Standard Time | -10:30 |
| Oak Brook Burtonsville | Eastern Time | -01:00 |
| Oak Brook Emu Plains | Eastern Australia Time | -15:00 |
| Oak Brook Carole Park | Eastern Australia Time | -15:00 |
| Oak Brook Suitland-Silver Hill | Eastern Time | -01:00 |
| Oak Brook Burnside | Central Australia Time | -14:30 |
| Oak Brook Empuriabrava | Central European Time | -07:00 |
| Oak Brook Kangaroo Valley | Eastern Australia Time | -15:00 |
| Oak Brook Sudbury | Eastern Time | -01:00 |
| Oak Brook Burwood | Eastern Australia Time | -15:00 |
| Oak Brook Enderby | Pacific Time | 02:00 |
| Oak Brook Carolina Beach | Eastern Time | -01:00 |
| Oak Brook Suginami | Japan Time | -14:00 |
| Oak Brook Burwood East | Eastern Australia Time | -15:00 |
| Oak Brook Englishtown | Eastern Time | -01:00 |
| Oak Brook Kangerlussuaq | West Greenland Time | -03:00 |
| Oak Brook Smethwick | United Kingdom Time | -06:00 |
| Oak Brook Buscate | Central European Time | -07:00 |
| Oak Brook England | Eastern European Time | -08:00 |
| Oak Brook Carnac | Central European Time | -07:00 |
| Oak Brook Smiths Falls | Eastern Time | -01:00 |
| Oak Brook Burleigh Heads | Eastern Australia Time | -15:00 |
| Oak Brook Engelberg | Central European Time | -07:00 |
| Oak Brook Jaggayyapet | India Standard Time | -10:30 |
| Oak Brook Smithfield | Eastern Time | -01:00 |
| Oak Brook Burleigh Heads | Eastern Australia Time | -15:00 |
| Oak Brook Freiburg | Central European Time | -07:00 |
| Oak Brook Carnforth | United Kingdom Time | -06:00 |
| Oak Brook Snohomish | Pacific Time | 02:00 |
| Oak Brook Burkburnett | Central Time | 00:00 |
| Oak Brook Freeport | Central Time | 00:00 |
| Oak Brook Klang Dong | Indochina Time | -12:00 |
| Oak Brook Sneem | Ireland Time | -06:00 |
| Oak Brook Bonnac | Central European Time | -07:00 |
| Oak Brook Fredonia | Eastern Time | -01:00 |
| Oak Brook Chesterland | Eastern Time | -01:00 |
| Oak Brook West Hindmarsh | Central Australia Time | -14:30 |
| Oak Brook Boppelsen | Central European Time | -07:00 |
| Oak Brook Freeland | Eastern Time | -01:00 |
| Oak Brook Klil | Israel Time | -08:00 |
| Oak Brook West End | Eastern Australia Time | -15:00 |
| Oak Brook Boquete | Eastern Time | 00:00 |
| Oak Brook Frenchtown | Eastern Time | -01:00 |
| Oak Brook Chestermere | Mountain Time | 01:00 |
| Oak Brook West Croydon | Central Australia Time | -14:30 |
| Oak Brook Booneville | Central Time | 00:00 |