| Cornwall Frazier Park | Pacific Time | 03:00 |
| Cornwall Montreal East | Eastern Time | 00:00 |
| Cornwall Frederica | Eastern Time | 00:00 |
| Cornwall Naqoura | Eastern European Time | -07:00 |
| Cornwall Franschhoek | South Africa Standard Time | -06:00 |
| Cornwall Naples | Central European Time | -06:00 |
| Cornwall Franz Josef Glacier | New Zealand Time | -17:00 |
| Cornwall Napoleon | Eastern Time | 00:00 |
| Cornwall Franklin Township | Eastern Time | 00:00 |
| Cornwall Montrose | Atlantic Time | 00:00 |
| Cornwall Fredonia | Eastern Time | 00:00 |
| Cornwall Napier | New Zealand Time | -17:00 |
| Cornwall Freeport | Central Time | 01:00 |
| Cornwall Napier | South Africa Standard Time | -06:00 |
| Cornwall Freeland | Eastern Time | 00:00 |
| Cornwall Narrabeen | Eastern Australia Time | -14:00 |
| Cornwall Embrun | Eastern Time | 00:00 |
| Cornwall Narragansett | Eastern Time | 00:00 |
| Cornwall Elysburg | Eastern Time | 00:00 |
| Cornwall McKinnon | Eastern Australia Time | -14:00 |
| Cornwall Emalahleni | South Africa Standard Time | -06:00 |
| Cornwall Meadow Lake | Central Time | 02:00 |
| Cornwall Elwood | Eastern Australia Time | -14:00 |
| Cornwall Meadville | Eastern Time | 00:00 |
| Cornwall Elx | Central European Time | -06:00 |
| Cornwall Meaford | Eastern Time | 00:00 |
| Cornwall Emerald Beach | Eastern Australia Time | -14:00 |
| Cornwall McMurray | Eastern Time | 00:00 |
| Cornwall Emeryville | Pacific Time | 03:00 |
| Cornwall McRae | Eastern Time | 00:00 |
| Cornwall Emu Plains | Eastern Australia Time | -14:00 |
| Cornwall Mdina | Central European Time | -06:00 |
| Cornwall Empuriabrava | Central European Time | -06:00 |
| Cornwall Mbour | Greenwich Mean Time | -04:00 |
| Cornwall Emmaus | Eastern Time | 00:00 |
| Cornwall McCammon | Mountain Time | 02:00 |
| Cornwall Enderby | Pacific Time | 03:00 |
| Cornwall Mecina-Fondales | Central European Time | -06:00 |
| Cornwall England | Eastern European Time | -07:00 |
| Cornwall Meckenbeuren | Central European Time | -06:00 |
| Cornwall Engelberg | Central European Time | -06:00 |
| Cornwall Mecheri | India Standard Time | -09:30 |
| Cornwall Englishtown | Eastern Time | 00:00 |
| Cornwall Mebane | Eastern Time | 00:00 |
| Cornwall Enmore | Eastern Australia Time | -14:00 |
| Cornwall Mechanicsburg | Eastern Time | 00:00 |
| Cornwall Djelida | Central European Time | -05:00 |
| Cornwall Medina | Western Australia Time | -12:00 |
| Cornwall Djerba Midun | Central European Time | -05:00 |
| Cornwall Media | Eastern Time | 00:00 |