| Montville Starke | Eastern Time | 00:00 |
| Montville Saint-Joseph-de-Beauce | Eastern Time | 00:00 |
| Montville Sternatia | Central European Time | -06:00 |
| Montville Saint-Joseph-du-Lac | Eastern Time | 00:00 |
| Montville Stephenville | Newfoundland Time | -01:30 |
| Montville Saint John | Central Time | 01:00 |
| Montville Steelville | Central Time | 01:00 |
| Montville Staveley | United Kingdom Time | -05:00 |
| Montville Stayner | Eastern Time | 00:00 |
| Montville Stellarton | Atlantic Time | -01:00 |
| Montville Steinbach | Central European Time | -06:00 |
| Montville Steinfeld | Central European Time | -06:00 |
| Montville Tarrytown | Eastern Time | 00:00 |
| Montville Tartus | Eastern European Time | -07:00 |
| Montville Tarquinia | Central European Time | -06:00 |
| Montville Torrijos | Central European Time | -06:00 |
| Montville Torreglia | Central European Time | -06:00 |
| Montville Torquay | Eastern Australia Time | -14:00 |
| Montville Toronto | Eastern Time | 00:00 |
| Montville Törökbálint | Central European Time | -06:00 |
| Montville Toshima | Japan Time | -13:00 |
| Montville Totana | India Standard Time | -09:30 |
| Montville Totnes | United Kingdom Time | -05:00 |
| Montville Valle de la Serena | Central European Time | -06:00 |
| Montville Town of Rockingham | Eastern Time | 00:00 |
| Montville Torelló | Central European Time | -06:00 |
| Montville Torazo | Central European Time | -06:00 |
| Montville Toppenish | Pacific Time | 03:00 |
| Montville Topsham | United Kingdom Time | -05:00 |
| Montville Toowong | Eastern Australia Time | -14:00 |
| Montville Topanga | Pacific Time | 03:00 |
| Montville Taylors Hill | Eastern Australia Time | -14:00 |
| Montville Tavira | Western European Time | -05:00 |
| Montville Tavros | Eastern European Time | -07:00 |
| Montville Taxco | Central Time | 01:00 |
| Montville Tauriac | Central European Time | -06:00 |
| Montville Tauriano | Central European Time | -06:00 |
| Montville Tavanur | India Standard Time | -09:30 |