| Portsmouth Upper Moutere | New Zealand Time | -11:00 |
| Portsmouth Millington | Central Time | 06:00 |
| Portsmouth Harburg | Central European Time | -01:00 |
| Portsmouth Swaffham | United Kingdom Time | 00:00 |
| Portsmouth Vinchur | India Standard Time | -04:30 |
| Portsmouth Millner | Central Australia Time | -08:30 |
| Portsmouth East Angus | Eastern Time | 05:00 |
| Portsmouth Grüningen | Central European Time | -01:00 |
| Portsmouth Urakawa | Japan Time | -08:00 |
| Portsmouth Millswood | Central Australia Time | -08:30 |
| Portsmouth Hanover | Eastern Time | 05:00 |
| Portsmouth Swaffham Bulbeck | United Kingdom Time | 00:00 |
| Portsmouth Vilshofen an der Donau | Central European Time | -01:00 |
| Portsmouth Miliana | Central European Time | 00:00 |
| Portsmouth East Aurora | Eastern Time | 05:00 |
| Portsmouth Grover Beach | Pacific Time | 08:00 |
| Portsmouth Upper Coomera | Eastern Australia Time | -09:00 |
| Portsmouth Millbrook | Eastern Time | 05:00 |
| Portsmouth Hanwood | Eastern Australia Time | -09:00 |
| Portsmouth Swainsthorpe | United Kingdom Time | 00:00 |
| Portsmouth Vilobí d'Onyar | Central European Time | -01:00 |
| Portsmouth Millbrook | Central Time | 06:00 |
| Portsmouth East Prairie | Central Time | 06:00 |
| Portsmouth Grottammare | Central European Time | -01:00 |
| Portsmouth Upper Darby | Eastern Time | 05:00 |
| Portsmouth Kriftel | Central European Time | -01:00 |
| Portsmouth Hanumanbari | India Standard Time | -04:30 |
| Portsmouth Thibodaux | Central Time | 06:00 |
| Portsmouth Vilseck | Central European Time | -01:00 |
| Portsmouth Las Ruedas de Ocón | Central European Time | -01:00 |
| Portsmouth East Perth | Western Australia Time | -07:00 |
| Portsmouth Gruissan | Central European Time | -01:00 |
| Portsmouth Upper Ferntree Gully | Eastern Australia Time | -09:00 |
| Portsmouth LaSalle | Eastern Time | 05:00 |
| Portsmouth Happy Valley | Pacific Time | 08:00 |
| Portsmouth Thirupathi | India Standard Time | -04:30 |
| Portsmouth Villawood | Eastern Australia Time | -09:00 |
| Portsmouth Lauderdale-by-the-Sea | Eastern Time | 05:00 |
| Portsmouth Fahaheel | Arabian Time | -02:00 |
| Portsmouth Groton | Eastern Time | 05:00 |
| Portsmouth Uppala | India Standard Time | -04:30 |
| Portsmouth Latrobe | Eastern Australia Time | -09:00 |
| Portsmouth Hudson Oaks | Central Time | 06:00 |
| Portsmouth Thị xã Phú Thọ | Indochina Time | -06:00 |
| Portsmouth Villasequilla | Central European Time | -01:00 |
| Portsmouth Latham | Eastern Time | 05:00 |
| Portsmouth Fairview | Eastern Time | 05:00 |
| Portsmouth Grosse Pointe Park | Eastern Time | 05:00 |
| Portsmouth Wallisellen | Central European Time | -01:00 |
| Portsmouth Latifvadi | India Standard Time | -04:30 |