| Karlsruhe Monteverde | Central Time | 08:00 |
| Karlsruhe Monteleone D'orvieto | Central European Time | 00:00 |
| Karlsruhe Montecito | Pacific Time | 09:00 |
| Karlsruhe Montélier | Central European Time | 00:00 |
| Karlsruhe Nainital | India Standard Time | -03:30 |
| Karlsruhe Nailloux | Central European Time | 00:00 |
| Karlsruhe Nai Wiang | Indochina Time | -05:00 |
| Karlsruhe Nakamura Ward | Japan Time | -07:00 |
| Karlsruhe Nakano | Japan Time | -07:00 |
| Karlsruhe Naka Ward | Japan Time | -07:00 |
| Karlsruhe Nakagyo Ward | Japan Time | -07:00 |
| Karlsruhe Nagambie | Eastern Australia Time | -08:00 |
| Karlsruhe Naka Ward | Japan Time | -07:00 |
| Karlsruhe Naguabo | Atlantic Time | 06:00 |
| Karlsruhe Naguanagua | Venezuela Time | 06:00 |
| Karlsruhe Mayotte | Eastern Time | 06:00 |
| Karlsruhe Mayville | Eastern Time | 06:00 |
| Karlsruhe Maylands | Western Australia Time | -06:00 |
| Karlsruhe Monte Sant'Angelo | Central European Time | 00:00 |
| Karlsruhe Mayfield | Eastern Australia Time | -08:00 |
| Karlsruhe Mayfield | United Kingdom Time | 01:00 |
| Karlsruhe Mayfield | Central Time | 07:00 |
| Karlsruhe Mawson Lakes | Central Australia Time | -07:30 |
| Karlsruhe Maxey | United Kingdom Time | 01:00 |
| Karlsruhe Mawgan | United Kingdom Time | 01:00 |
| Karlsruhe Maumee | Eastern Time | 06:00 |
| Karlsruhe Maude | Eastern Australia Time | -08:00 |
| Karlsruhe Mavivi | Central Africa Time | 00:00 |
| Karlsruhe Matten bei Interlaken | Central European Time | 00:00 |
| Karlsruhe Matinhos | Brasilia Time | 05:00 |
| Karlsruhe Matheran | India Standard Time | -03:30 |
| Karlsruhe Matraville | Eastern Australia Time | -08:00 |
| Karlsruhe Makarska | Central European Time | 00:00 |
| Karlsruhe Maketu | New Zealand Time | -10:00 |
| Karlsruhe Makawao | Hawaii-Aleutian Time | 12:00 |
| Karlsruhe Matawan | Eastern Time | 06:00 |
| Karlsruhe Makrandpur Thakuran | India Standard Time | -03:30 |
| Karlsruhe Matarbari | Bangladesh Time | -04:00 |