| Portsmouth Luanda | West Africa Time | 00:00 |
| Portsmouth Quezon City | Philippine Time | -07:00 |
| Portsmouth Addis Ababa | East Africa Time | -02:00 |
| Portsmouth Nairobi | East Africa Time | -02:00 |
| Portsmouth Chicago | Central Time | 06:00 |
| Portsmouth Salvador | Brasilia Time | 04:00 |
| Portsmouth Jaipur | India Standard Time | -04:30 |
| Portsmouth Dar es Salaam | East Africa Time | -02:00 |
| Portsmouth Lanzhou | China Time | -07:00 |
| Portsmouth Incheon | Korean Time | -08:00 |
| Portsmouth Yunfu | China Time | -07:00 |
| Portsmouth Navi Mumbai | India Standard Time | -04:30 |
| Portsmouth Basrah | Arabian Time | -02:00 |
| Portsmouth Toronto | Eastern Time | 05:00 |
| Portsmouth Osaka | Japan Time | -08:00 |
| Portsmouth Mogadishu | East Africa Time | -02:00 |
| Portsmouth Daegu | Korean Time | -08:00 |
| Portsmouth Faisalabad | Pakistan Time | -04:00 |
| Portsmouth Izmir | Turkey Time | -02:00 |
| Portsmouth Dakar | Greenwich Mean Time | 01:00 |
| Portsmouth Lucknow | India Standard Time | -04:30 |
| Portsmouth Giza | Eastern European Time | -01:00 |
| Portsmouth Fortaleza | Brasilia Time | 04:00 |
| Portsmouth Cali | Colombia Time | 06:00 |
| Portsmouth Surabaya | Western Indonesia Time | -06:00 |
| Portsmouth Belo Horizonte | Brasilia Time | 04:00 |
| Portsmouth Nanchang | China Time | -07:00 |
| Portsmouth Rome | Central European Time | -01:00 |
| Portsmouth Mashhad | Iran Time | -03:30 |
| Portsmouth Borough of Brooklyn | Eastern Time | 05:00 |
| Portsmouth Houston | Central Time | 06:00 |
| Portsmouth Queens | Eastern Time | 05:00 |
| Portsmouth Nagpur | India Standard Time | -04:30 |
| Portsmouth Maracaibo | Venezuela Time | 05:00 |
| Portsmouth Brasília | Brasilia Time | 04:00 |
| Portsmouth Santo Domingo | Atlantic Time | 05:00 |
| Portsmouth Nagoya | Japan Time | -08:00 |
| Portsmouth Brisbane | Eastern Australia Time | -09:00 |
| Portsmouth Havana | Cuba Time | 05:00 |
| Portsmouth Paris | Central European Time | -01:00 |
| Portsmouth Al Mawşil al Jadīdah | Arabian Time | -02:00 |
| Portsmouth Johannesburg | South Africa Standard Time | -01:00 |
| Portsmouth Kowloon | Hong Kong Time | -07:00 |
| Portsmouth Al Başrah al Qadīmah | Arabian Time | -02:00 |
| Portsmouth Almaty | East Kazakhstan Time | -05:00 |
| Portsmouth Medellin | Colombia Time | 06:00 |
| Portsmouth Tashkent | Uzbekistan Time | -04:00 |
| Portsmouth Algiers | Central European Time | 00:00 |
| Portsmouth Khartoum | Central Africa Time | -01:00 |
| Portsmouth Accra | Greenwich Mean Time | 01:00 |