| Summerside Luanda | West Africa Time | -04:00 |
| Summerside Quezon City | Philippine Time | -11:00 |
| Summerside Addis Ababa | East Africa Time | -06:00 |
| Summerside Nairobi | East Africa Time | -06:00 |
| Summerside Chicago | Central Time | 02:00 |
| Summerside Salvador | Brasilia Time | 00:00 |
| Summerside Jaipur | India Standard Time | -08:30 |
| Summerside Dar es Salaam | East Africa Time | -06:00 |
| Summerside Lanzhou | China Time | -11:00 |
| Summerside Incheon | Korean Time | -12:00 |
| Summerside Yunfu | China Time | -11:00 |
| Summerside Toronto | Eastern Time | 01:00 |
| Summerside Basrah | Arabian Time | -06:00 |
| Summerside Navi Mumbai | India Standard Time | -08:30 |
| Summerside Osaka | Japan Time | -12:00 |
| Summerside Mogadishu | East Africa Time | -06:00 |
| Summerside Daegu | Korean Time | -12:00 |
| Summerside Faisalabad | Pakistan Time | -08:00 |
| Summerside Izmir | Turkey Time | -06:00 |
| Summerside Dakar | Greenwich Mean Time | -03:00 |
| Summerside Lucknow | India Standard Time | -08:30 |
| Summerside Giza | Eastern European Time | -05:00 |
| Summerside Fortaleza | Brasilia Time | 00:00 |
| Summerside Cali | Colombia Time | 02:00 |
| Summerside Surabaya | Western Indonesia Time | -10:00 |
| Summerside Belo Horizonte | Brasilia Time | 00:00 |
| Summerside Nanchang | China Time | -11:00 |
| Summerside Rome | Central European Time | -05:00 |
| Summerside Mashhad | Iran Time | -07:30 |
| Summerside Borough of Brooklyn | Eastern Time | 01:00 |
| Summerside Houston | Central Time | 02:00 |
| Summerside Queens | Eastern Time | 01:00 |
| Summerside Nagpur | India Standard Time | -08:30 |
| Summerside Maracaibo | Venezuela Time | 01:00 |
| Summerside Brasília | Brasilia Time | 00:00 |
| Summerside Santo Domingo | Atlantic Time | 01:00 |
| Summerside Nagoya | Japan Time | -12:00 |
| Summerside Brisbane | Eastern Australia Time | -13:00 |
| Summerside Havana | Cuba Time | 01:00 |
| Summerside Paris | Central European Time | -05:00 |
| Summerside Al Mawşil al Jadīdah | Arabian Time | -06:00 |
| Summerside Johannesburg | South Africa Standard Time | -05:00 |
| Summerside Kowloon | Hong Kong Time | -11:00 |
| Summerside Al Başrah al Qadīmah | Arabian Time | -06:00 |
| Summerside Almaty | East Kazakhstan Time | -09:00 |
| Summerside Medellin | Colombia Time | 02:00 |
| Summerside Tashkent | Uzbekistan Time | -08:00 |
| Summerside Algiers | Central European Time | -04:00 |
| Summerside Khartoum | Central Africa Time | -05:00 |
| Summerside Accra | Greenwich Mean Time | -03:00 |