| Granby Matawan | Eastern Time | -02:00 |
| Granby Matarbari | Bangladesh Time | -12:00 |
| Granby Matten bei Interlaken | Central European Time | -08:00 |
| Granby Matheran | India Standard Time | -11:30 |
| Granby Matinhos | Brasilia Time | -03:00 |
| Granby Matraville | Eastern Australia Time | -16:00 |
| Granby Moka | Mauritius Time | -10:00 |
| Granby Mayotte | Eastern Time | -02:00 |
| Granby Mayville | Eastern Time | -02:00 |
| Granby Mayfield | Central Time | -01:00 |
| Granby Maylands | Western Australia Time | -14:00 |
| Granby Mollem | India Standard Time | -11:30 |
| Granby Mokpo-si | Korean Time | -15:00 |
| Granby Mayfield | Eastern Australia Time | -16:00 |
| Granby Mayfield | United Kingdom Time | -07:00 |
| Granby Mawgan | United Kingdom Time | -07:00 |
| Granby Mavivi | Central Africa Time | -08:00 |
| Granby Mawson Lakes | Central Australia Time | -15:30 |
| Granby Maxey | United Kingdom Time | -07:00 |
| Granby Maude | Eastern Australia Time | -16:00 |
| Granby Maumee | Eastern Time | -02:00 |
| Granby Mont-Tremblant | Eastern Time | -02:00 |
| Granby Montague | Eastern Time | -02:00 |
| Granby Montague | Atlantic Time | -03:00 |
| Granby Mont Albert | Eastern Australia Time | -16:00 |
| Granby Monroe Township | Eastern Time | -02:00 |
| Granby Monguelfo-Tesido | Central European Time | -08:00 |
| Granby Monreal del Campo | Central European Time | -08:00 |
| Granby Monona | Central Time | -01:00 |
| Granby Moniga del Garda | Central European Time | -08:00 |
| Granby Monkton | Eastern Time | -02:00 |
| Granby Monmouth | Central Time | -01:00 |
| Granby Mollis | Central European Time | -08:00 |
| Granby Mollerussa | Central European Time | -08:00 |
| Granby Monastero Bormida | Central European Time | -08:00 |
| Granby Monastier di Treviso | Central European Time | -08:00 |
| Granby Mönchengladbach | Central European Time | -08:00 |
| Granby Monchique | Western European Time | -07:00 |