| Smethwick Fernie | Mountain Time | 07:00 |
| Smethwick Santa Maria A Vico | Central European Time | -01:00 |
| Smethwick Gerringong | Eastern Australia Time | -09:00 |
| Smethwick Saint John | Central Time | 06:00 |
| Smethwick Gettysburg | Eastern Time | 05:00 |
| Smethwick Santa Nella | Pacific Time | 08:00 |
| Smethwick Fernandina Beach | Eastern Time | 05:00 |
| Smethwick Zillah | Pacific Time | 08:00 |
| Smethwick Fergus | Eastern Time | 05:00 |
| Smethwick Santa Oliva | Central European Time | -01:00 |
| Smethwick Federalsburg | Eastern Time | 05:00 |
| Smethwick Zikhron Ya'akov | Israel Time | -02:00 |
| Smethwick Fenton | Central Time | 06:00 |
| Smethwick Santa Gertrudis de Fruitera | Central European Time | -01:00 |
| Smethwick Fennville | Eastern Time | 05:00 |
| Smethwick Zirakpur | India Standard Time | -04:30 |
| Smethwick Fennell Bay | Eastern Australia Time | -09:00 |
| Smethwick Santa Fe | Argentina Time | 04:00 |
| Smethwick Zollikerberg | Central European Time | -01:00 |
| Smethwick Sevierville | Eastern Time | 05:00 |
| Smethwick Zofingen | Central European Time | -01:00 |
| Smethwick Seward | Alaska Time | 09:00 |
| Smethwick Somwarpet | India Standard Time | -04:30 |
| Smethwick Somerton | Mountain Time | 08:00 |
| Smethwick Sommières | Central European Time | -01:00 |
| Smethwick Somogyvámos | Central European Time | -01:00 |
| Smethwick Shahtalai | India Standard Time | -04:30 |
| Smethwick Somers Point | Eastern Time | 05:00 |
| Smethwick Somerset | Eastern Time | 05:00 |
| Smethwick Sop Mae Kha | Indochina Time | -06:00 |
| Smethwick Sonoma | Pacific Time | 08:00 |
| Smethwick Sonora | Pacific Time | 08:00 |
| Smethwick Sonipat | India Standard Time | -04:30 |
| Smethwick Soraluze | Central European Time | -01:00 |
| Smethwick Soquel | Pacific Time | 08:00 |
| Smethwick Sorano | Central European Time | -01:00 |
| Smethwick Sorel | Eastern Time | 05:00 |
| Smethwick Sorell | Eastern Australia Time | -09:00 |