| Markham Romano D'ezzelino | Central European Time | -06:00 |
| Markham Mulhouse | Central European Time | -06:00 |
| Markham Eisfeld | Central European Time | -06:00 |
| Markham Dawalwadi | India Standard Time | -09:30 |
| Markham Wadebridge | United Kingdom Time | -05:00 |
| Markham Thousand Palms | Pacific Time | 03:00 |
| Markham Gillitts | South Africa Standard Time | -06:00 |
| Markham Estes Park | Mountain Time | 02:00 |
| Markham Romanel-sur-Lausanne | Central European Time | -06:00 |
| Markham New Delhi | India Standard Time | -09:30 |
| Markham Eisleben | Central European Time | -06:00 |
| Markham Davidson | Eastern Time | 00:00 |
| Markham Waghunde Kh. | India Standard Time | -09:30 |
| Markham Thurso | United Kingdom Time | -05:00 |
| Markham Gilmer | Central Time | 01:00 |
| Markham Estreito da Calheta | Western European Time | -05:00 |
| Markham Rolling Hills Estates | Pacific Time | 03:00 |
| Markham New Delhi | India Standard Time | -09:30 |
| Markham Deutschlandsberg | Central European Time | -06:00 |
| Markham Clute | Central Time | 01:00 |
| Markham Wagoner | Central Time | 01:00 |
| Markham Thusis | Central European Time | -06:00 |
| Markham Gwoździany | Central European Time | -06:00 |
| Markham Etten-Leur | Central European Time | -06:00 |
| Markham Roma | Central Time | 01:00 |
| Markham New Delhi | India Standard Time | -09:30 |
| Markham Destin | Central Time | 01:00 |
| Markham Clusane | Central European Time | -06:00 |
| Markham Wagrain | Central European Time | -06:00 |
| Markham Thung Song | Indochina Time | -11:00 |
| Markham Gymea | Eastern Australia Time | -14:00 |
| Markham Etterbeek | Central European Time | -06:00 |
| Markham Quiringuicharo | Central Time | 01:00 |
| Markham New Lexington | Eastern Time | 00:00 |
| Markham Dessau-Roßlau | Central European Time | -06:00 |
| Markham Clyde | Eastern Australia Time | -14:00 |
| Markham Waimanalo | Hawaii-Aleutian Time | 06:00 |
| Markham Thornbury | United Kingdom Time | -05:00 |
| Markham Gympie | Eastern Australia Time | -14:00 |
| Markham Evandale | Eastern Australia Time | -14:00 |
| Markham Yorktown Heights | Eastern Time | 00:00 |
| Markham New Lambton | Eastern Australia Time | -14:00 |
| Markham Derrimut | Eastern Australia Time | -14:00 |
| Markham Clyst Saint Mary | United Kingdom Time | -05:00 |
| Markham Waimauku | New Zealand Time | -16:00 |
| Markham Thornleigh | Eastern Australia Time | -14:00 |
| Markham Gyeongju-si | Korean Time | -13:00 |
| Markham Eutaw | Central Time | 01:00 |
| Markham Yodogawa Ward | Japan Time | -13:00 |
| Markham New Hamburg | Eastern Time | 00:00 |