| Nouakchott Ensenada | Pacific Time | 08:00 |
| Nouakchott Tarsus | Turkey Time | -03:00 |
| Nouakchott Laredo | Central Time | 06:00 |
| Nouakchott Sari | Iran Time | -03:30 |
| Nouakchott Durg | India Standard Time | -05:30 |
| Nouakchott Rivne | Eastern European Time | -02:00 |
| Nouakchott Soledad de Graciano Sánchez | Central Time | 06:00 |
| Nouakchott Turfan | China Time | -06:00 |
| Nouakchott Ikot Ekpene | West Africa Time | -01:00 |
| Nouakchott Heze | China Time | -08:00 |
| Nouakchott Yamagata | Japan Time | -09:00 |
| Nouakchott Santa Catarina | Central Time | 06:00 |
| Nouakchott Cirebon | Western Indonesia Time | -07:00 |
| Nouakchott Novo Hamburgo | Brasilia Time | 03:00 |
| Nouakchott Cox's Bazar | Bangladesh Time | -06:00 |
| Nouakchott Gdynia | Central European Time | -01:00 |
| Nouakchott Carabanchel | Central European Time | -01:00 |
| Nouakchott Naihati | India Standard Time | -05:30 |
| Nouakchott Vitória da Conquista | Brasilia Time | 03:00 |
| Nouakchott Laohekou | China Time | -08:00 |
| Nouakchott Talcahuano | Chile Time | 03:00 |
| Nouakchott Richards Bay | South Africa Standard Time | -02:00 |
| Nouakchott Wolverhampton | United Kingdom Time | 00:00 |
| Nouakchott Al Fashir | Central Africa Time | -02:00 |
| Nouakchott Thiès Nones | Greenwich Mean Time | 00:00 |
| Nouakchott Dire Dawa | East Africa Time | -03:00 |
| Nouakchott Floridablanca | Colombia Time | 05:00 |
| Nouakchott Suihua | China Time | -08:00 |
| Nouakchott Barueri | Brasilia Time | 03:00 |
| Nouakchott Borujerd | Iran Time | -03:30 |
| Nouakchott Eimsbüttel | Central European Time | -01:00 |
| Nouakchott Liupanshui | China Time | -08:00 |
| Nouakchott Qarchak | Iran Time | -03:30 |
| Nouakchott Santiago de Surco | Peru Time | 05:00 |
| Nouakchott Taubaté | Brasilia Time | 03:00 |
| Nouakchott Nanyang | China Time | -08:00 |
| Nouakchott San Fernando | Philippine Time | -08:00 |
| Nouakchott Los Reyes Acaquilpan | Central Time | 06:00 |
| Nouakchott Morogoro | East Africa Time | -03:00 |
| Nouakchott Governador Valadares | Brasilia Time | 03:00 |
| Nouakchott Tirupati | India Standard Time | -05:30 |
| Nouakchott Banda Aceh | Western Indonesia Time | -07:00 |
| Nouakchott Wafangdian | China Time | -08:00 |
| Nouakchott Sonīpat | India Standard Time | -05:30 |
| Nouakchott Santa Clara | Cuba Time | 05:00 |
| Nouakchott Iwo | West Africa Time | -01:00 |
| Nouakchott Libertad | Philippine Time | -08:00 |
| Nouakchott Gombe | West Africa Time | -01:00 |
| Nouakchott Altona | Central European Time | -01:00 |
| Nouakchott Avadi | India Standard Time | -05:30 |