| Brighton Marktheidenfeld | Central European Time | -05:00 |
| Brighton Marktheidenfeld | Central European Time | -05:00 |
| Brighton Marion | Eastern Time | 00:00 |
| Brighton Mariposa | Pacific Time | 03:00 |
| Brighton Marina di Bibbona | Central European Time | -05:00 |
| Brighton Marikina | Philippine Time | -12:00 |
| Brighton Marina di Massa | Central European Time | -05:00 |
| Brighton Marine City | Eastern Time | 00:00 |
| Brighton Marine Corps Air Station Cherry Point | Eastern Time | 00:00 |
| Brighton Marseillan | Central European Time | -05:00 |
| Brighton Marriott-Slaterville | Mountain Time | 02:00 |
| Brighton Mars | Eastern Time | 00:00 |
| Brighton Marsa | Central European Time | -05:00 |
| Brighton Marsa Alam | Eastern European Time | -06:00 |
| Brighton Maróc | Central European Time | -05:00 |
| Brighton Maroochydore | Eastern Australia Time | -14:00 |
| Brighton Miguelturra | Central European Time | -05:00 |
| Brighton Marshallville | Eastern Time | 00:00 |
| Brighton Milan | Central Time | 01:00 |
| Brighton Milano Marittima | Central European Time | -05:00 |
| Brighton Mile End South | Central Australia Time | -14:30 |
| Brighton Miliana | Central European Time | -05:00 |
| Brighton Milford on Sea | United Kingdom Time | -04:00 |
| Brighton Milford Charter Township | Eastern Time | 00:00 |
| Brighton Millendon | Western Australia Time | -12:00 |
| Brighton Mill Run | Eastern Time | 00:00 |
| Brighton Mill Valley | Pacific Time | 03:00 |
| Brighton Millbrook | Eastern Time | 00:00 |
| Brighton Millbrook | Central Time | 01:00 |
| Brighton Millwood | Eastern Time | 00:00 |
| Brighton Milnrow | United Kingdom Time | -04:00 |
| Brighton Milton | Eastern Australia Time | -14:00 |
| Brighton Millers Falls | Eastern Time | 00:00 |
| Brighton Millers Point | Eastern Australia Time | -15:00 |
| Brighton Millheim | Eastern Time | 00:00 |
| Brighton Millington | Central Time | 01:00 |
| Brighton Millner | Central Australia Time | -13:30 |
| Brighton Millswood | Central Australia Time | -14:30 |