| Rockford Pincourt | Eastern Time | -01:00 |
| Rockford Antananarivo | East Africa Time | -08:00 |
| Rockford Firebaugh | Pacific Time | 02:00 |
| Rockford Port Neches | Central Time | 00:00 |
| Rockford Pinamar | Argentina Time | -02:00 |
| Rockford Cotati | Pacific Time | 02:00 |
| Rockford Elizabeth | Central Australia Time | -14:30 |
| Rockford Onești | Eastern European Time | -08:00 |
| Rockford Pimpri-Chinchwad | India Standard Time | -10:30 |
| Rockford Bahariya Oasis | Eastern European Time | -07:00 |
| Rockford Findon | Central Australia Time | -14:30 |
| Rockford Port Noarlunga | Central Australia Time | -14:30 |
| Rockford Pine Bush | Eastern Time | -01:00 |
| Rockford Cosmopolis | Pacific Time | 02:00 |
| Rockford Elizabeth Bay | Eastern Australia Time | -15:00 |
| Rockford Ondara | Central European Time | -07:00 |
| Rockford Pinehurst | Eastern Time | -01:00 |
| Rockford Baga | India Standard Time | -10:30 |
| Rockford Fishguard | United Kingdom Time | -06:00 |
| Rockford Port Melbourne | Eastern Australia Time | -15:00 |
| Rockford Pineville | Eastern Time | -01:00 |
| Rockford Costa Teguise | Western European Time | -06:00 |
| Rockford Floriana | Central European Time | -07:00 |
| Rockford Philipsburg | Mountain Time | 01:00 |
| Rockford Puerto Lumbreras | Central European Time | -07:00 |
| Rockford Bagà | Central European Time | -07:00 |
| Rockford Fishkill | Eastern Time | -01:00 |
| Rockford Port Hope | Eastern Time | -01:00 |
| Rockford Puerto Morelos | Eastern Time | 00:00 |
| Rockford Badolato Marina | Central European Time | -07:00 |
| Rockford Ellis | Central Time | 00:00 |
| Rockford Philipsburg | Atlantic Time | -01:00 |
| Rockford Puerto Escondido | Central Time | 00:00 |
| Rockford Appenzell District | Central European Time | -07:00 |
| Rockford Fisterra | Central European Time | -07:00 |
| Rockford Port Isabel | Central Time | 00:00 |
| Rockford Yorktown Heights | Eastern Time | -01:00 |
| Rockford Apple Springs | Central Time | 00:00 |
| Rockford Ellisville | Central Time | 00:00 |
| Rockford Phato | Indochina Time | -12:00 |
| Rockford Yoshinogari | Japan Time | -14:00 |
| Rockford Applecross | Western Australia Time | -13:00 |
| Rockford Five Dock | Eastern Australia Time | -15:00 |
| Rockford Port Jefferson | Eastern Time | -01:00 |
| Rockford Yoxford | United Kingdom Time | -06:00 |
| Rockford Apollo Beach | Eastern Time | -01:00 |
| Rockford Florida City | Eastern Time | -01:00 |
| Rockford Phang Khon | Indochina Time | -12:00 |
| Rockford Youngsville | Central Time | 00:00 |
| Rockford Badamanavarthekaval | India Standard Time | -10:30 |