| Elstree Saint Leonards | United Kingdom Time | 00:00 |
| Elstree San Pedro La Laguna | Central Time | 06:00 |
| Elstree Sângeorgiu de Mureș | Eastern European Time | -02:00 |
| Elstree San Ramon | Central Time | 06:00 |
| Elstree Saint Lucia | Eastern Australia Time | -10:00 |
| Elstree San Rafael | Central European Time | -01:00 |
| Elstree Saint-Martin-de-Belleville | Central European Time | -01:00 |
| Elstree Saint-Aunès | Central European Time | -01:00 |
| Elstree Saint-Marcel-Campes | Central European Time | -01:00 |
| Elstree San Pedro | Central Time | 06:00 |
| Elstree Saint Margrethen | Central European Time | -01:00 |
| Elstree Sanasana | Fiji Time | -13:00 |
| Elstree Sancerre | Central European Time | -01:00 |
| Elstree San Vito al Tagliamento | Central European Time | -01:00 |
| Elstree San Vito Lo Capo | Central European Time | -01:00 |
| Elstree Seaton Ross | United Kingdom Time | 00:00 |
| Elstree Searsport | Eastern Time | 05:00 |
| Elstree Sandy Bay | Eastern Australia Time | -11:00 |
| Elstree Sand City | Pacific Time | 08:00 |
| Elstree Sandgate | Eastern Australia Time | -10:00 |
| Elstree Seekonk | Eastern Time | 05:00 |
| Elstree Seeley's Bay | Eastern Time | 05:00 |
| Elstree Seelow | Central European Time | -01:00 |
| Elstree Sedro-Woolley | Pacific Time | 08:00 |
| Elstree Seeb | Gulf Standard Time | -04:00 |
| Elstree Seebara | India Standard Time | -05:30 |
| Elstree Sedona | Mountain Time | 07:00 |
| Elstree Sedbergh | United Kingdom Time | 00:00 |
| Elstree Sechelt | Pacific Time | 08:00 |
| Elstree Sebree | Central Time | 06:00 |
| Elstree Sebring | Eastern Time | 05:00 |
| Elstree Šebrov-Kateřina | Central European Time | -01:00 |
| Elstree Sebastopol | Pacific Time | 08:00 |
| Elstree Seattle | Pacific Time | 08:00 |
| Elstree Seberang Jaya | Malaysia Time | -08:00 |
| Elstree Seberang Perai | Malaysia Time | -08:00 |
| Elstree Zollikerberg | Central European Time | -01:00 |
| Elstree Zofingen | Central European Time | -01:00 |