| Portsmouth Ciudad Juarez | Mountain Time | 02:00 |
| Portsmouth Manhattan | Eastern Time | 00:00 |
| Portsmouth Asuncion | Paraguay Time | 00:00 |
| Portsmouth Recife | Brasilia Time | -01:00 |
| Portsmouth Daejeon | Korean Time | -13:00 |
| Portsmouth San Antonio | Central Time | 01:00 |
| Portsmouth Kumasi | Greenwich Mean Time | -04:00 |
| Portsmouth Kota Bharu | Malaysia Time | -12:00 |
| Portsmouth Kyoto | Japan Time | -13:00 |
| Portsmouth Kuala Lumpur | Malaysia Time | -12:00 |
| Portsmouth Karaj | Iran Time | -08:30 |
| Portsmouth Kathmandu | Nepal Time | -09:45 |
| Portsmouth Palembang | Western Indonesia Time | -11:00 |
| Portsmouth Multan | Pakistan Time | -09:00 |
| Portsmouth Tirunelveli | India Standard Time | -09:30 |
| Portsmouth Hanoi | Indochina Time | -11:00 |
| Portsmouth Kharkiv | Eastern European Time | -07:00 |
| Portsmouth Agra | India Standard Time | -09:30 |
| Portsmouth Córdoba | Argentina Time | -01:00 |
| Portsmouth Tabriz | Iran Time | -08:30 |
| Portsmouth Novosibirsk | Novosibirsk Time | -11:00 |
| Portsmouth Gwangju | Korean Time | -13:00 |
| Portsmouth Bursa | Turkey Time | -07:00 |
| Portsmouth Vadodara | India Standard Time | -09:30 |
| Portsmouth Belém | Brasilia Time | -01:00 |
| Portsmouth Fushun | China Time | -12:00 |
| Portsmouth Quito | Ecuador Time | 01:00 |
| Portsmouth San Diego | Pacific Time | 03:00 |
| Portsmouth Fukuoka | Japan Time | -13:00 |
| Portsmouth Antananarivo | East Africa Time | -07:00 |
| Portsmouth Luoyang | China Time | -12:00 |
| Portsmouth Hyderabad | Pakistan Time | -09:00 |
| Portsmouth Borough of Bronx | Eastern Time | 00:00 |
| Portsmouth Valencia | Venezuela Time | 00:00 |
| Portsmouth Gujranwala | Pakistan Time | -09:00 |
| Portsmouth Barranquilla | Colombia Time | 01:00 |
| Portsmouth Guankou | China Time | -12:00 |
| Portsmouth Tijuana | Pacific Time | 03:00 |
| Portsmouth Lubumbashi | Central Africa Time | -06:00 |
| Portsmouth Porto Alegre | Brasilia Time | -01:00 |
| Portsmouth Tangerang | Western Indonesia Time | -11:00 |
| Portsmouth Santa Cruz | Bolivia Time | 00:00 |
| Portsmouth Handan | China Time | -12:00 |
| Portsmouth Kampala | East Africa Time | -07:00 |
| Portsmouth Yekaterinburg | Yekaterinburg Time | -09:00 |
| Portsmouth Khulna | Bangladesh Time | -10:00 |
| Portsmouth Douala | West Africa Time | -05:00 |
| Portsmouth Gorakhpur | India Standard Time | -09:30 |
| Portsmouth Mecca | Arabian Time | -07:00 |
| Portsmouth Makassar | Central Indonesia Time | -12:00 |