| Masca Foresters Falls | Eastern Time | 05:00 |
| Masca Forestville | Eastern Australia Time | -11:00 |
| Masca Forest Hill | Eastern Australia Time | -11:00 |
| Masca Forsyth | Eastern Time | 05:00 |
| Masca Fort Atkinson | Central Time | 06:00 |
| Masca Fort Bliss | Mountain Time | 07:00 |
| Masca Hawthorn | Eastern Australia Time | -11:00 |
| Masca Hawthorn East | Eastern Australia Time | -11:00 |
| Masca Hawera | New Zealand Time | -13:00 |
| Masca Hawes | United Kingdom Time | 00:00 |
| Masca Hawkesbury | Eastern Time | 05:00 |
| Masca Hazelwood Park | Central Australia Time | -10:30 |
| Masca Hazlehurst | Eastern Time | 05:00 |
| Masca Heath | Central Time | 06:00 |
| Masca Heathmont | Eastern Australia Time | -11:00 |
| Masca Heathridge | Western Australia Time | -08:00 |
| Masca Headingley | Central Time | 06:00 |
| Masca Headland | Central Time | 06:00 |
| Masca Healdsburg | Pacific Time | 08:00 |
| Masca Hayden | Pacific Time | 08:00 |
| Masca Hayti | Central Time | 06:00 |
| Masca Haymarket | Eastern Australia Time | -11:00 |
| Masca Haymarket | Eastern Time | 05:00 |
| Masca Hebden Bridge | United Kingdom Time | 00:00 |
| Masca Heber Springs | Central Time | 06:00 |
| Masca Heftziba | Israel Time | -02:00 |
| Masca Heidenheim | Central European Time | -01:00 |
| Masca Heguri | Japan Time | -09:00 |
| Masca Heimenkirch | Central European Time | -01:00 |
| Masca Helen | Eastern Time | 05:00 |
| Masca Hyde Park | Eastern Australia Time | -10:00 |
| Masca Helmsley | United Kingdom Time | 00:00 |
| Masca Hyderabad | India Standard Time | -05:30 |
| Masca Hyderabad | India Standard Time | -05:30 |
| Masca Hyderabad | India Standard Time | -05:30 |
| Masca Hyderabad | India Standard Time | -05:30 |
| Masca Ichikawa | Japan Time | -09:00 |
| Masca Idar | India Standard Time | -05:30 |
| Masca Idalia | Eastern Australia Time | -10:00 |
| Masca Idlib | Eastern European Time | -02:00 |
| Masca Idukki Township | India Standard Time | -05:30 |
| Masca Idyllwild-Pine Cove | Pacific Time | 08:00 |
| Masca Ifran | Western European Time | -01:00 |
| Masca Karumathampatti | India Standard Time | -05:30 |
| Masca Kartal | Turkey Time | -03:00 |
| Masca Karon | Indochina Time | -07:00 |
| Masca Kasauli | India Standard Time | -05:30 |
| Masca Kashigarh | India Standard Time | -05:30 |
| Masca Kasia Bazaar | India Standard Time | -05:30 |
| Masca Kita Ward | Japan Time | -09:00 |