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