| Port Isabel Fresnedillas de la Oliva | Central European Time | -07:00 |
| Port Isabel La Robine-sur-Galabre | Central European Time | -07:00 |
| Port Isabel Fredonia | Eastern Time | -01:00 |
| Port Isabel La Roche-en-Ardenne | Central European Time | -07:00 |
| Port Isabel Freeport | Central Time | 00:00 |
| Port Isabel La Sénia | Central European Time | -07:00 |
| Port Isabel Freeland | Eastern Time | -01:00 |
| Port Isabel La Punt-Chamues-ch | Central European Time | -07:00 |
| Port Isabel Frostburg | Eastern Time | -01:00 |
| Port Isabel La Perouse | Eastern Australia Time | -15:00 |
| Port Isabel Frodsham | United Kingdom Time | -06:00 |
| Port Isabel La Pobla de Farnals | Central European Time | -07:00 |
| Port Isabel Friendsville | Eastern Time | -01:00 |
| Port Isabel Friday Harbor | Pacific Time | 02:00 |
| Port Isabel Friedberg | Central European Time | -07:00 |
| Port Isabel Friedland | Central European Time | -07:00 |
| Port Isabel Domodossola | Central European Time | -07:00 |
| Port Isabel Dolphin Coast | South Africa Standard Time | -07:00 |
| Port Isabel Dolus-d'Oléron | Central European Time | -07:00 |
| Port Isabel Dolynka | Eastern European Time | -08:00 |
| Port Isabel Dolo | Central European Time | -07:00 |
| Port Isabel Domžale | Central European Time | -07:00 |
| Port Isabel Don Mueang | Indochina Time | -12:00 |
| Port Isabel Dongying | China Time | -13:00 |
| Port Isabel Épalinges | Central European Time | -07:00 |
| Port Isabel Epen | Central European Time | -07:00 |
| Port Isabel Ephrata | Eastern Time | -01:00 |
| Port Isabel Époisses | Central European Time | -07:00 |
| Port Isabel Donnalucata | Central European Time | -07:00 |
| Port Isabel Donji Vinjani | Central European Time | -07:00 |
| Port Isabel Dorrego | Argentina Time | -02:00 |
| Port Isabel Dorrigo | Eastern Australia Time | -15:00 |
| Port Isabel Epping | United Kingdom Time | -06:00 |
| Port Isabel Erbil | Arabian Time | -08:00 |
| Port Isabel Erina | Eastern Australia Time | -15:00 |
| Port Isabel Erina Heights | Eastern Australia Time | -15:00 |
| Port Isabel Ergolding | Central European Time | -07:00 |
| Port Isabel Ericeira | Western European Time | -06:00 |