| Medicine Hat Sassnitz | Central European Time | -07:00 |
| Medicine Hat Sullivan City | Central Time | -01:00 |
| Medicine Hat Sauda | Central European Time | -07:00 |
| Medicine Hat Masca | Western European Time | -06:00 |
| Medicine Hat Saugatuck | Eastern Time | -02:00 |
| Medicine Hat Sullivan's Island | Eastern Time | -02:00 |
| Medicine Hat Saugeen Shores | Eastern Time | -02:00 |
| Medicine Hat Mascali | Central European Time | -07:00 |
| Medicine Hat Saugeen Shores | Eastern Time | -02:00 |
| Medicine Hat Sujapur | India Standard Time | -11:30 |
| Medicine Hat Saugerties | Eastern Time | -02:00 |
| Medicine Hat Masai | Malaysia Time | -14:00 |
| Medicine Hat Satna | India Standard Time | -11:30 |
| Medicine Hat Suitland-Silver Hill | Eastern Time | -02:00 |
| Medicine Hat Sausalito | Pacific Time | 01:00 |
| Medicine Hat Masai | Malaysia Time | -14:00 |
| Medicine Hat Sault Ste. Marie | Eastern Time | -02:00 |
| Medicine Hat Sudbury | Eastern Time | -02:00 |
| Medicine Hat Savar Kundla | India Standard Time | -11:30 |
| Medicine Hat Suginami | Japan Time | -15:00 |
| Medicine Hat Sawantwadi | India Standard Time | -11:30 |
| Medicine Hat Sint-Jans-Molenbeek | Central European Time | -07:00 |
| Medicine Hat Sawari Jawharnagar | India Standard Time | -11:30 |
| Medicine Hat Sint-Lambrechts-Herk | Central European Time | -07:00 |
| Medicine Hat Sawtell | Eastern Australia Time | -17:00 |
| Medicine Hat Sint-Martens-Latem | Central European Time | -07:00 |
| Medicine Hat Sawyer | Eastern Time | -02:00 |
| Medicine Hat Sint-Niklaas | Central European Time | -07:00 |
| Medicine Hat Saxapahaw | Eastern Time | -02:00 |
| Medicine Hat Sion | Central European Time | -07:00 |
| Medicine Hat Saxonburg | Eastern Time | -02:00 |
| Medicine Hat Siruseri | India Standard Time | -11:30 |
| Medicine Hat Sayalonga | Central European Time | -07:00 |
| Medicine Hat Sirumalai | India Standard Time | -11:30 |
| Medicine Hat Siruganur | India Standard Time | -11:30 |
| Medicine Hat Sisters | Pacific Time | 01:00 |
| Medicine Hat Sirkeci | Turkey Time | -09:00 |
| Medicine Hat Sirmione | Central European Time | -07:00 |