| Markham Evergreen | Mountain Time | 02:00 |
| Markham Dessau-Roßlau | Central European Time | -06:00 |
| Markham Estreito da Calheta | Western European Time | -05:00 |
| Markham Derendingen | Central European Time | -06:00 |
| Markham Estes Park | Mountain Time | 02:00 |
| Markham Dersingham | United Kingdom Time | -05:00 |
| Markham Dorrego | Argentina Time | -01:00 |
| Markham Derventa | Central European Time | -06:00 |
| Markham Dorrigo | Eastern Australia Time | -14:00 |
| Markham Deptford | United Kingdom Time | -05:00 |
| Markham España la Vieja | Central European Time | -06:00 |
| Markham Deptford Township | Eastern Time | 00:00 |
| Markham Española | Mountain Time | 02:00 |
| Markham Denville | Eastern Time | 00:00 |
| Markham Espinho | Western European Time | -05:00 |
| Markham Deoghar | India Standard Time | -09:30 |
| Markham Donnalucata | Central European Time | -06:00 |
| Markham Deolali | India Standard Time | -09:30 |
| Markham Donji Vinjani | Central European Time | -06:00 |
| Markham Denbigh | United Kingdom Time | -05:00 |
| Markham Dongying | China Time | -12:00 |
| Markham Denham Springs | Central Time | 01:00 |
| Markham Dolynka | Eastern European Time | -07:00 |
| Markham Denmark | Western Australia Time | -12:00 |
| Markham Dolphin Coast | South Africa Standard Time | -06:00 |
| Markham Dennis | Eastern Time | 00:00 |
| Markham Dolus-d'Oléron | Central European Time | -06:00 |
| Markham Den Burg | Central European Time | -06:00 |
| Markham Dolo | Central European Time | -06:00 |
| Markham Den Hoorn Texel | Central European Time | -06:00 |
| Markham Domodossola | Central European Time | -06:00 |
| Markham Delta | Pacific Time | 03:00 |
| Markham Domžale | Central European Time | -06:00 |
| Markham Delson | Eastern Time | 00:00 |
| Markham Don Mueang | Indochina Time | -11:00 |
| Markham Delta | Mountain Time | 02:00 |
| Markham Colp | Central Time | 01:00 |
| Markham Columbia Falls | Mountain Time | 02:00 |