| Nouakchott Sacramento | Pacific Time | 08:00 |
| Nouakchott Aracaju | Brasilia Time | 03:00 |
| Nouakchott Port Sudan | Central Africa Time | -02:00 |
| Nouakchott Santa Fe | Argentina Time | 03:00 |
| Nouakchott San Pedro Sula | Central Time | 06:00 |
| Nouakchott Suez | Eastern European Time | -02:00 |
| Nouakchott Dresden | Central European Time | -01:00 |
| Nouakchott Tomsk | Tomsk Time | -07:00 |
| Nouakchott Masina | West Africa Time | -01:00 |
| Nouakchott Saharanpur | India Standard Time | -05:30 |
| Nouakchott Gulbarga | India Standard Time | -05:30 |
| Nouakchott Bhātpāra | India Standard Time | -05:30 |
| Nouakchott Najaf | Arabian Time | -03:00 |
| Nouakchott Feira de Santana | Brasilia Time | 03:00 |
| Nouakchott Shah Alam | Malaysia Time | -08:00 |
| Nouakchott Mariupol' | Eastern European Time | -02:00 |
| Nouakchott Himeji | Japan Time | -09:00 |
| Nouakchott Tuxtla Gutiérrez | Central Time | 06:00 |
| Nouakchott Gomel | Moscow Time | -03:00 |
| Nouakchott Okene | West Africa Time | -01:00 |
| Nouakchott Uijeongbu-si | Korean Time | -09:00 |
| Nouakchott East London | South Africa Standard Time | -02:00 |
| Nouakchott Yazd | Iran Time | -03:30 |
| Nouakchott Hargeisa | East Africa Time | -03:00 |
| Nouakchott Siālkot | Pakistan Time | -05:00 |
| Nouakchott Kemerovo | Novokuznetsk Time | -07:00 |
| Nouakchott Yichang | China Time | -08:00 |
| Nouakchott Hwaseong-si | Korean Time | -09:00 |
| Nouakchott Kansas City | Central Time | 06:00 |
| Nouakchott Cuautitlán Izcalli | Central Time | 06:00 |
| Nouakchott Yinchuan | China Time | -08:00 |
| Nouakchott Skopje | Central European Time | -01:00 |
| Nouakchott Vereeniging | South Africa Standard Time | -02:00 |
| Nouakchott The Hague | Central European Time | -01:00 |
| Nouakchott Long Beach | Pacific Time | 08:00 |
| Nouakchott Mixco | Central Time | 06:00 |
| Nouakchott Lyon | Central European Time | -01:00 |
| Nouakchott Londrina | Brasilia Time | 03:00 |
| Nouakchott Mesa | Mountain Time | 07:00 |
| Nouakchott Jiaojiangcun | China Time | -08:00 |
| Nouakchott Matsudo | Japan Time | -09:00 |
| Nouakchott Juiz de Fora | Brasilia Time | 03:00 |
| Nouakchott Nishinomiya | Japan Time | -09:00 |
| Nouakchott Tula | Moscow Time | -03:00 |
| Nouakchott Borough of Staten Island | Eastern Time | 05:00 |
| Nouakchott Kawaguchi | Japan Time | -09:00 |
| Nouakchott Zunyi | China Time | -08:00 |
| Nouakchott Jiaxing | China Time | -08:00 |
| Nouakchott Belford Roxo | Brasilia Time | 03:00 |
| Nouakchott Jammu | India Standard Time | -05:30 |