| Nouakchott Abomey Calavi | West Africa Time | -01:00 |
| Nouakchott Bochum | Central European Time | -01:00 |
| Nouakchott Toyonaka | Japan Time | -09:00 |
| Nouakchott Iztacalco | Central Time | 06:00 |
| Nouakchott Betim | Brasilia Time | 03:00 |
| Nouakchott Fukuyama | Japan Time | -09:00 |
| Nouakchott N'dalatando | West Africa Time | -01:00 |
| Nouakchott Delmas 73 | Eastern Time | 05:00 |
| Nouakchott Pasto | Colombia Time | 05:00 |
| Nouakchott Batman | Turkey Time | -03:00 |
| Nouakchott Wellington | New Zealand Time | -13:00 |
| Nouakchott Las Palmas de Gran Canaria | Western European Time | 00:00 |
| Nouakchott Caxias do Sul | Brasilia Time | 03:00 |
| Nouakchott Nizhny Tagil | Yekaterinburg Time | -05:00 |
| Nouakchott Bochum-Hordel | Central European Time | -01:00 |
| Nouakchott Dezhou | China Time | -08:00 |
| Nouakchott Krugersdorp | South Africa Standard Time | -02:00 |
| Nouakchott Pānihāti | India Standard Time | -05:30 |
| Nouakchott Toyohashi | Japan Time | -09:00 |
| Nouakchott Zhoukou | China Time | -08:00 |
| Nouakchott Laval | Eastern Time | 05:00 |
| Nouakchott Huancayo | Peru Time | 05:00 |
| Nouakchott Makiivka | Eastern European Time | -02:00 |
| Nouakchott Putian | China Time | -08:00 |
| Nouakchott Kahramanmaraş | Turkey Time | -03:00 |
| Nouakchott Minato | Japan Time | -09:00 |
| Nouakchott Tirana | Central European Time | -01:00 |
| Nouakchott São José do Rio Preto | Brasilia Time | 03:00 |
| Nouakchott Kaunas | Eastern European Time | -02:00 |
| Nouakchott Bakersfield | Pacific Time | 08:00 |
| Nouakchott Zhangjiakou Shi Xuanhua Qu | China Time | -08:00 |
| Nouakchott Seremban | Malaysia Time | -08:00 |
| Nouakchott Stoke-on-Trent | United Kingdom Time | 00:00 |
| Nouakchott Pingxiang | China Time | -08:00 |
| Nouakchott Van | Turkey Time | -03:00 |
| Nouakchott Honolulu | Hawaii-Aleutian Time | 10:00 |
| Nouakchott Abbadan | Iran Time | -03:30 |
| Nouakchott Puerto La Cruz | Venezuela Time | 04:00 |
| Nouakchott Fenghuang | China Time | -08:00 |
| Nouakchott Brno | Central European Time | -01:00 |
| Nouakchott Mahilioŭ | Moscow Time | -03:00 |
| Nouakchott Tampa | Eastern Time | 05:00 |
| Nouakchott Canberra | Eastern Australia Time | -11:00 |
| Nouakchott Nara | Japan Time | -09:00 |
| Nouakchott Ahmednagar | India Standard Time | -05:30 |
| Nouakchott Dhule | India Standard Time | -05:30 |
| Nouakchott Olinda | Brasilia Time | 03:00 |
| Nouakchott Kenitra | Western European Time | -01:00 |
| Nouakchott Bydgoszcz | Central European Time | -01:00 |
| Nouakchott Kuantan | Malaysia Time | -08:00 |