| Summerside Detroit | Eastern Time | 01:00 |
| Summerside Matola | Central Africa Time | -05:00 |
| Summerside Culiacán Rosales | Mexican Pacific Time | 03:00 |
| Summerside Zaragoza | Central European Time | -05:00 |
| Summerside Gorakhpur | India Standard Time | -08:30 |
| Summerside Xiangtan | China Time | -11:00 |
| Summerside Ipoh | Malaysia Time | -11:00 |
| Summerside Mississauga | Eastern Time | 01:00 |
| Summerside Boston | Eastern Time | 01:00 |
| Summerside Puyang Chengguanzhen | China Time | -11:00 |
| Summerside Nantong | China Time | -11:00 |
| Summerside Mudanjiang | China Time | -11:00 |
| Summerside Athens | Eastern European Time | -06:00 |
| Summerside Santo André | Brasilia Time | 00:00 |
| Summerside Nouakchott | Greenwich Mean Time | -03:00 |
| Summerside Pointe-Noire | West Africa Time | -04:00 |
| Summerside Aguascalientes | Central Time | 02:00 |
| Summerside Memphis | Central Time | 02:00 |
| Summerside Kryvyi Rih | Eastern European Time | -06:00 |
| Summerside Acapulco | Central Time | 02:00 |
| Summerside João Pessoa | Brasilia Time | 00:00 |
| Summerside Ansan-si | Korean Time | -12:00 |
| Summerside Benghazi | Eastern European Time | -05:00 |
| Summerside Frankfurt | Central European Time | -05:00 |
| Summerside Krasnodar | Moscow Time | -06:00 |
| Summerside Guilin | China Time | -11:00 |
| Summerside Palermo | Central European Time | -05:00 |
| Summerside Colombo | India Standard Time | -08:30 |
| Summerside Lilongwe | Central Africa Time | -05:00 |
| Summerside Oran | Central European Time | -04:00 |
| Summerside Diyarbakir | Turkey Time | -06:00 |
| Summerside Taguig | Philippine Time | -11:00 |
| Summerside New South Memphis | Central Time | 02:00 |
| Summerside Ulyanovsk | Ulyanovsk Time | -07:00 |
| Summerside Kotli | Pakistan Time | -08:00 |
| Summerside Okayama | Japan Time | -12:00 |
| Summerside Zhanjiang | China Time | -09:00 |
| Summerside Ahmadi | Arabian Time | -06:00 |
| Summerside Yogyakarta | Western Indonesia Time | -10:00 |
| Summerside North York | Eastern Time | 01:00 |
| Summerside Chișinău | Eastern European Time | -06:00 |
| Summerside Wrocław | Central European Time | -05:00 |
| Summerside Cheongju-si | Korean Time | -12:00 |
| Summerside Anyang-si | Korean Time | -12:00 |
| Summerside Tebessa | Central European Time | -04:00 |
| Summerside Zhenjiang | China Time | -11:00 |
| Summerside Portland | Pacific Time | 04:00 |
| Summerside Winnipeg | Central Time | 02:00 |
| Summerside Andong | China Time | -11:00 |
| Summerside Oklahoma City | Central Time | 02:00 |