| Welch Laakirchen | Central European Time | -06:00 |
| Welch Sigatoka | Fiji Time | -17:00 |
| Welch Labège | Central European Time | -06:00 |
| Welch Sikkarimedu | India Standard Time | -10:30 |
| Welch Labin | Central European Time | -06:00 |
| Welch Sikardarpur | India Standard Time | -10:30 |
| Welch La Victoria | Colombia Time | 00:00 |
| Welch Sigulda | Eastern European Time | -07:00 |
| Welch La Victoria | Peru Time | 00:00 |
| Welch Siheung-si | Korean Time | -14:00 |
| Welch La Robine-sur-Galabre | Central European Time | -06:00 |
| Welch Sativali | India Standard Time | -10:30 |
| Welch La Roche-en-Ardenne | Central European Time | -06:00 |
| Welch Sassenberg | Central European Time | -06:00 |
| Welch La Punt-Chamues-ch | Central European Time | -06:00 |
| Welch Sassnitz | Central European Time | -06:00 |
| Welch La Pobla de Farnals | Central European Time | -06:00 |
| Welch Sauda | Central European Time | -06:00 |
| Welch La Perouse | Eastern Australia Time | -16:00 |
| Welch Saugatuck | Eastern Time | 00:00 |
| Welch Saugeen Shores | Eastern Time | 00:00 |
| Welch Saugeen Shores | Eastern Time | 00:00 |
| Welch Saugerties | Eastern Time | 00:00 |
| Welch Sault Ste. Marie | Eastern Time | 00:00 |
| Welch Satna | India Standard Time | -10:30 |
| Welch Sausalito | Pacific Time | 03:00 |
| Welch Savar Kundla | India Standard Time | -10:30 |
| Welch Sawari Jawharnagar | India Standard Time | -10:30 |
| Welch Sawtell | Eastern Australia Time | -16:00 |
| Welch Sawyer | Eastern Time | 00:00 |
| Welch Saxapahaw | Eastern Time | 00:00 |
| Welch Saxonburg | Eastern Time | 00:00 |
| Welch Sayalonga | Central European Time | -06:00 |
| Welch Sawantwadi | India Standard Time | -10:30 |
| Welch Sayane Kh | India Standard Time | -10:30 |
| Welch Polruan | United Kingdom Time | -05:00 |
| Welch Polšnik | Central European Time | -06:00 |
| Welch Polton | United Kingdom Time | -05:00 |
| Welch Pokolbin | Eastern Australia Time | -16:00 |
| Welch Polignano A Mare | Central European Time | -06:00 |
| Welch Poli Crysochous | Eastern European Time | -07:00 |
| Welch Pont-Sainte-Marie | Central European Time | -06:00 |
| Welch Ponte do Rol | Western European Time | -05:00 |
| Welch Ponte Fabbrica | Central European Time | -06:00 |
| Welch Ponte Nizza | Central European Time | -06:00 |
| Welch Ponca | Central Time | 01:00 |
| Welch Ponkunnam | India Standard Time | -10:30 |
| Welch Ponnamveli | India Standard Time | -10:30 |
| Welch Parli | India Standard Time | -10:30 |
| Welch Parkville | Eastern Australia Time | -16:00 |