| Rockford Tebnine | Eastern European Time | -08:00 |
| Rockford Ciudad de la Costa | Uruguay Time | -02:00 |
| Rockford Tecuala | Mexican Pacific Time | 01:00 |
| Rockford Ciudad de México | Central Time | 00:00 |
| Rockford Tecumseh | Eastern Time | -01:00 |
| Rockford Ciudad General Escobedo | Central Time | 00:00 |
| Rockford Tecoma | Eastern Australia Time | -15:00 |
| Rockford Ciudad Mendoza | Central Time | 00:00 |
| Rockford Teisendorf | Central European Time | -07:00 |
| Rockford Ciudad Merliot | Central Time | 01:00 |
| Rockford Tekapo | New Zealand Time | -17:00 |
| Rockford City of Orange | Eastern Time | -01:00 |
| Rockford Tehachapi | Pacific Time | 02:00 |
| Rockford City of Industry | Pacific Time | 02:00 |
| Rockford Tekonsha | Eastern Time | -01:00 |
| Rockford Città Sant'Angelo | Central European Time | -07:00 |
| Rockford Tel Mond | Israel Time | -08:00 |
| Rockford Cittadella | Central European Time | -07:00 |
| Rockford Teluk Kumbar | Malaysia Time | -13:00 |
| Rockford Cisnădioara | Eastern European Time | -08:00 |
| Rockford Tembhurni | India Standard Time | -10:30 |
| Rockford Castelsardo | Central European Time | -07:00 |
| Rockford Zofingen | Central European Time | -07:00 |
| Rockford Castelnau-de-Montmiral | Central European Time | -07:00 |
| Rockford Zollikerberg | Central European Time | -07:00 |
| Rockford Castellamonte | Central European Time | -07:00 |
| Rockford Carrouge | Central European Time | -07:00 |
| Rockford Carvoeiro | Western European Time | -06:00 |
| Rockford Casselman | Eastern Time | -01:00 |
| Rockford Castanet-Tolosan | Central European Time | -07:00 |
| Rockford Cassis | Central European Time | -07:00 |
| Rockford Castagneto Carducci | Central European Time | -07:00 |
| Rockford Caslano | Central European Time | -07:00 |
| Rockford Casillas | Central European Time | -07:00 |
| Rockford Cassà de la Selva | Central European Time | -07:00 |
| Rockford Casaletto Ceredano | Central European Time | -07:00 |
| Rockford Casale Marittimo | Central European Time | -07:00 |
| Rockford Caselle Torinese | Central European Time | -07:00 |