| Summerside Jammu | India Standard Time | -08:30 |
| Summerside Liaoyuan | China Time | -11:00 |
| Summerside Edinburgh | United Kingdom Time | -04:00 |
| Summerside Atlanta | Eastern Time | 01:00 |
| Summerside Kananga | Central Africa Time | -05:00 |
| Summerside Bloemfontein | South Africa Standard Time | -05:00 |
| Summerside Xiangyang | China Time | -11:00 |
| Summerside Gdańsk | Central European Time | -05:00 |
| Summerside Calabar | West Africa Time | -04:00 |
| Summerside Dadukou | China Time | -11:00 |
| Summerside Joinville | Brasilia Time | 00:00 |
| Summerside Hama | Eastern European Time | -06:00 |
| Summerside Antwerp | Central European Time | -05:00 |
| Summerside Kanazawa | Japan Time | -12:00 |
| Summerside Karabağlar | Turkey Time | -06:00 |
| Summerside Zamboanga | Philippine Time | -11:00 |
| Summerside Kirov | Kirov Time | -06:00 |
| Summerside Ujjain | India Standard Time | -08:30 |
| Summerside Kota Kinabalu | Malaysia Time | -11:00 |
| Summerside Durango | Central Time | 02:00 |
| Summerside Colorado Springs | Mountain Time | 03:00 |
| Summerside Niterói | Brasilia Time | 00:00 |
| Summerside Hengshui | China Time | -11:00 |
| Summerside Tabuk | Arabian Time | -06:00 |
| Summerside Pontianak | Western Indonesia Time | -10:00 |
| Summerside Leeds | United Kingdom Time | -04:00 |
| Summerside Namp’o | Pyongyang Time | -12:00 |
| Summerside Bacolod | Philippine Time | -11:00 |
| Summerside São João de Meriti | Brasilia Time | 00:00 |
| Summerside Mansilingan | Philippine Time | -11:00 |
| Summerside Virginia Beach | Eastern Time | 01:00 |
| Summerside Rāmgundam | India Standard Time | -08:30 |
| Summerside Luhansk | Eastern European Time | -06:00 |
| Summerside Manado | Central Indonesia Time | -11:00 |
| Summerside Karagandy | East Kazakhstan Time | -09:00 |
| Summerside Raleigh | Eastern Time | 01:00 |
| Summerside Jining | China Time | -11:00 |
| Summerside Constantine | Central European Time | -04:00 |
| Summerside Wenshan | China Time | -11:00 |
| Summerside Muratpaşa | Turkey Time | -06:00 |
| Summerside Juba | East Africa Time | -05:00 |
| Summerside Utsunomiya | Japan Time | -12:00 |
| Summerside Matamoros | Central Time | 02:00 |
| Summerside Urfa | Turkey Time | -06:00 |
| Summerside Chengde | China Time | -11:00 |
| Summerside Oita | Japan Time | -12:00 |
| Summerside Venustiano Carranza | Central Time | 02:00 |
| Summerside Cardiff | United Kingdom Time | -04:00 |
| Summerside San Juan | Argentina Time | 00:00 |
| Summerside Cheboksary | Moscow Time | -06:00 |