| Ottawa Marseille | Central European Time | -06:00 |
| Ottawa Al Zarqa | Eastern European Time | -07:00 |
| Ottawa Çankaya | Turkey Time | -07:00 |
| Ottawa Boumerdas | Central European Time | -05:00 |
| Ottawa Jalandhar | India Standard Time | -09:30 |
| Ottawa Thiruvananthapuram | India Standard Time | -09:30 |
| Ottawa Sakai | Japan Time | -13:00 |
| Ottawa Anyang | China Time | -12:00 |
| Ottawa San Miguel de Tucuman | Argentina Time | -01:00 |
| Ottawa Cotonou | West Africa Time | -05:00 |
| Ottawa Salem | India Standard Time | -09:30 |
| Ottawa Tiruchirappalli | India Standard Time | -09:30 |
| Ottawa Homs | Eastern European Time | -07:00 |
| Ottawa Hohhot | China Time | -12:00 |
| Ottawa Niamey | West Africa Time | -05:00 |
| Ottawa Tainan City | Taipei Time | -12:00 |
| Ottawa Shangyu | China Time | -12:00 |
| Ottawa Łódź | Central European Time | -06:00 |
| Ottawa Dammam | Arabian Time | -07:00 |
| Ottawa Xining | China Time | -12:00 |
| Ottawa Kahrīz | Iran Time | -08:30 |
| Ottawa Kota | India Standard Time | -09:30 |
| Ottawa Natal | Brasilia Time | -01:00 |
| Ottawa Bhubaneshwar | India Standard Time | -09:30 |
| Ottawa Qinhuangdao | China Time | -12:00 |
| Ottawa Hengyang | China Time | -12:00 |
| Ottawa Antalya | Turkey Time | -07:00 |
| Ottawa Kraków | Central European Time | -06:00 |
| Ottawa Aligarh | India Standard Time | -09:30 |
| Ottawa Da Nang | Indochina Time | -11:00 |
| Ottawa Pietermaritzburg | South Africa Standard Time | -06:00 |
| Ottawa Lomé | Greenwich Mean Time | -04:00 |
| Ottawa Trujillo | Peru Time | 01:00 |
| Ottawa Malang | Western Indonesia Time | -11:00 |
| Ottawa Ciudad Guayana | Venezuela Time | 00:00 |
| Ottawa Bareilly | India Standard Time | -09:30 |
| Ottawa Kigali | Central Africa Time | -06:00 |
| Ottawa Teresina | Brasilia Time | -01:00 |
| Ottawa Xinxiang | China Time | -12:00 |
| Ottawa São Bernardo do Campo | Brasilia Time | -01:00 |
| Ottawa Hegang | China Time | -12:00 |
| Ottawa Rīga | Eastern European Time | -07:00 |
| Ottawa Amsterdam | Central European Time | -06:00 |
| Ottawa Oyo | West Africa Time | -05:00 |
| Ottawa Quetta | Pakistan Time | -09:00 |
| Ottawa Nottingham | United Kingdom Time | -05:00 |
| Ottawa Campo Grande | Amazon Time | 00:00 |
| Ottawa Ashgabat | Turkmenistan Time | -09:00 |
| Ottawa Álvaro Obregón | Central Time | 02:00 |
| Ottawa Muzaffarabad | Pakistan Time | -09:00 |