| Mauritania Malawi | Central Africa Time | -02:00 |
| Mauritania Kazakhstan | East Kazakhstan Time | -05:00 |
| Mauritania Ecuador | Ecuador Time | 05:00 |
| Mauritania Cambodia | Indochina Time | -07:00 |
| Mauritania Mali | Greenwich Mean Time | 00:00 |
| Mauritania Guatemala | Central Time | 06:00 |
| Mauritania Zambia | Central Africa Time | -02:00 |
| Mauritania Angola | West Africa Time | -01:00 |
| Mauritania Zimbabwe | Central Africa Time | -02:00 |
| Mauritania Rwanda | Central Africa Time | -02:00 |
| Mauritania Greece | Eastern European Time | -03:00 |
| Mauritania Portugal | Western European Time | -01:00 |
| Mauritania Tunisia | Central European Time | -01:00 |
| Mauritania Czech Republic | Central European Time | -02:00 |
| Mauritania Belgium | Central European Time | -02:00 |
| Mauritania Somalia | East Africa Time | -03:00 |
| Mauritania Hungary | Central European Time | -02:00 |
| Mauritania Bolivia | Bolivia Time | 04:00 |
| Mauritania Burundi | Central Africa Time | -02:00 |
| Mauritania Sweden | Central European Time | -02:00 |
| Mauritania Dominican Republic | Atlantic Time | 04:00 |
| Mauritania Belarus | Moscow Time | -03:00 |
| Mauritania Haiti | Eastern Time | 04:00 |
| Mauritania Benin | West Africa Time | -01:00 |
| Mauritania Azerbaijan | Azerbaijan Time | -04:00 |
| Mauritania Austria | Central European Time | -02:00 |
| Mauritania Honduras | Central Time | 06:00 |
| Mauritania Switzerland | Central European Time | -02:00 |
| Mauritania Tajikistan | Tajikistan Time | -05:00 |
| Mauritania Bulgaria | Eastern European Time | -03:00 |
| Mauritania Togo | Greenwich Mean Time | 00:00 |
| Mauritania Libya | Eastern European Time | -02:00 |
| Mauritania Jordan | Eastern European Time | -03:00 |
| Mauritania Paraguay | Paraguay Time | 04:00 |
| Mauritania Laos | Indochina Time | -07:00 |
| Mauritania Papua New Guinea | Papua New Guinea Time | -10:00 |
| Mauritania El Salvador | Central Time | 06:00 |
| Mauritania Nicaragua | Central Time | 06:00 |
| Mauritania Eritrea | East Africa Time | -03:00 |
| Mauritania Kyrgyzstan | Kyrgyzstan Time | -06:00 |
| Mauritania Denmark | Central European Time | -02:00 |
| Mauritania Slovakia | Central European Time | -02:00 |
| Mauritania Sierra Leone | Greenwich Mean Time | 00:00 |
| Mauritania Finland | Eastern European Time | -03:00 |
| Mauritania Norway | Central European Time | -02:00 |
| Mauritania Turkmenistan | Turkmenistan Time | -05:00 |
| Mauritania Central African Republic | West Africa Time | -01:00 |
| Mauritania Singapore | Singapore Standard Time | -08:00 |
| Mauritania Georgia | Georgia Time | -04:00 |
| Mauritania Ireland | Ireland Time | -01:00 |