| Portsmouth tx. Hương Thủy | Indochina Time | -06:00 |
| Portsmouth Kardinya | Western Australia Time | -07:00 |
| Portsmouth Tha Ta Khro | Indochina Time | -06:00 |
| Portsmouth Parga | Eastern European Time | -02:00 |
| Portsmouth Beeston | United Kingdom Time | 00:00 |
| Portsmouth Delmar | Eastern Time | 05:00 |
| Portsmouth Alverca do Ribatejo | Western European Time | 00:00 |
| Portsmouth Court-St.-Etienne | Central European Time | -01:00 |
| Portsmouth Tybee Island | Eastern Time | 05:00 |
| Portsmouth Huttons Ambo | United Kingdom Time | 00:00 |
| Portsmouth Tha Hin | Indochina Time | -06:00 |
| Portsmouth Pargas | Eastern European Time | -02:00 |
| Portsmouth Begur | Central European Time | -01:00 |
| Portsmouth Delphi | Eastern Time | 05:00 |
| Portsmouth Altstätten | Central European Time | -01:00 |
| Portsmouth Courthézon | Central European Time | -01:00 |
| Portsmouth Tweed Heads | Eastern Australia Time | -09:00 |
| Portsmouth Hurricane | Mountain Time | 07:00 |
| Portsmouth Thailavaram | India Standard Time | -04:30 |
| Portsmouth Parisot | Central European Time | -01:00 |
| Portsmouth Beit Jann | Israel Time | -02:00 |
| Portsmouth De Haan | Central European Time | -01:00 |
| Portsmouth Altona North | Eastern Australia Time | -09:00 |
| Portsmouth Cova da Piedade | Western European Time | 00:00 |
| Portsmouth Tweed Heads South | Eastern Australia Time | -09:00 |
| Portsmouth Húsavík | Greenwich Mean Time | 01:00 |
| Portsmouth Thane | India Standard Time | -04:30 |
| Portsmouth Paris | Central European Time | -01:00 |
| Portsmouth Bekasi | Western Indonesia Time | -06:00 |
| Portsmouth Death Valley Junction | Pacific Time | 08:00 |
| Portsmouth Adoor | India Standard Time | -04:30 |
| Portsmouth Coulter | United Kingdom Time | 00:00 |
| Portsmouth Uccle | Central European Time | -01:00 |
| Portsmouth Husborne Crawley | United Kingdom Time | 00:00 |
| Portsmouth Thành phố Hòa Bình | Indochina Time | -06:00 |
| Portsmouth Paris | Central European Time | -01:00 |
| Portsmouth Belagam | India Standard Time | -04:30 |
| Portsmouth Dedham | United Kingdom Time | 00:00 |
| Portsmouth Adpar | United Kingdom Time | 00:00 |
| Portsmouth Courmayeur | Central European Time | -01:00 |
| Portsmouth Vermillion | Central Time | 06:00 |
| Portsmouth Huskisson | Eastern Australia Time | -09:00 |
| Portsmouth Thành phố Việt Trì | Indochina Time | -06:00 |
| Portsmouth Ponkunnam | India Standard Time | -04:30 |
| Portsmouth Belconnen | Eastern Australia Time | -09:00 |
| Portsmouth Decherd | Central Time | 06:00 |
| Portsmouth Altona | Eastern Australia Time | -09:00 |
| Portsmouth Cozumel | Eastern Time | 06:00 |
| Portsmouth Veresegyház | Central European Time | -01:00 |
| Portsmouth Hurstville | Eastern Australia Time | -09:00 |