| Le Havre La Croix-sur-Gartempe | Central European Time | 00:00 |
| Le Havre Montague | Eastern Time | 06:00 |
| Le Havre La Cassa | Central European Time | 00:00 |
| Le Havre Montague | Atlantic Time | 05:00 |
| Le Havre La Bisbal d'Empordà | Central European Time | 00:00 |
| Le Havre Mont Albert | Eastern Australia Time | -08:00 |
| Le Havre Monroe Township | Eastern Time | 06:00 |
| Le Havre Monguelfo-Tesido | Central European Time | 00:00 |
| Le Havre Monreal del Campo | Central European Time | 00:00 |
| Le Havre Monona | Central Time | 07:00 |
| Le Havre Moniga del Garda | Central European Time | 00:00 |
| Le Havre Monkton | Eastern Time | 06:00 |
| Le Havre Monmouth | Central Time | 07:00 |
| Le Havre Mollis | Central European Time | 00:00 |
| Le Havre Mollerussa | Central European Time | 00:00 |
| Le Havre Monastero Bormida | Central European Time | 00:00 |
| Le Havre Monastier di Treviso | Central European Time | 00:00 |
| Le Havre Mönchengladbach | Central European Time | 00:00 |
| Le Havre Monchique | Western European Time | 01:00 |
| Le Havre Mahabaleshwar | India Standard Time | -03:30 |
| Le Havre Mahabalipuram | India Standard Time | -03:30 |
| Le Havre Mahboula | Arabian Time | -01:00 |
| Le Havre Mahikeng | South Africa Standard Time | 00:00 |
| Le Havre Mahon | Central European Time | 00:00 |
| Le Havre Main Beach | Eastern Australia Time | -08:00 |
| Le Havre Mainbernheim | Central European Time | 00:00 |
| Le Havre Maïné-Soroa | West Africa Time | 01:00 |
| Le Havre Maiden Gully | Eastern Australia Time | -08:00 |
| Le Havre McKinnon | Eastern Australia Time | -08:00 |
| Le Havre McMurray | Eastern Time | 06:00 |
| Le Havre McRae | Eastern Time | 06:00 |
| Le Havre Mdina | Central European Time | 00:00 |
| Le Havre McCammon | Mountain Time | 08:00 |
| Le Havre Mbour | Greenwich Mean Time | 02:00 |
| Le Havre Makarska | Central European Time | 00:00 |
| Le Havre Makawao | Hawaii-Aleutian Time | 12:00 |
| Le Havre Maketu | New Zealand Time | -10:00 |
| Le Havre Makrandpur Thakuran | India Standard Time | -03:30 |