| Chelmsford Scaling Dam | United Kingdom Time | 00:00 |
| Chelmsford Carbis Bay | United Kingdom Time | 00:00 |
| Chelmsford Sayane Kh | India Standard Time | -05:30 |
| Chelmsford Carmel-by-the-Sea | Pacific Time | 07:00 |
| Chelmsford Sawantwadi | India Standard Time | -05:30 |
| Chelmsford Carlton | Eastern Australia Time | -11:00 |
| Chelmsford Sawari Jawharnagar | India Standard Time | -05:30 |
| Chelmsford Carlton North | Eastern Australia Time | -11:00 |
| Chelmsford Sawtell | Eastern Australia Time | -11:00 |
| Chelmsford Carnac | Central European Time | -01:00 |
| Chelmsford Sawyer | Eastern Time | 04:00 |
| Chelmsford Caroline Springs | Eastern Australia Time | -11:00 |
| Chelmsford Saxapahaw | Eastern Time | 04:00 |
| Chelmsford Chilmark | Eastern Time | 04:00 |
| Chelmsford Saxonburg | Eastern Time | 04:00 |
| Chelmsford Chiloquin | Pacific Time | 07:00 |
| Chelmsford Sayalonga | Central European Time | -01:00 |
| Chelmsford Carnforth | United Kingdom Time | 00:00 |
| Chelmsford Sauda | Central European Time | -01:00 |
| Chelmsford Carole Park | Eastern Australia Time | -10:00 |
| Chelmsford Saugatuck | Eastern Time | 04:00 |
| Chelmsford Carolina Beach | Eastern Time | 04:00 |
| Chelmsford Saugeen Shores | Eastern Time | 04:00 |
| Chelmsford Chimney Rock | Eastern Time | 04:00 |
| Chelmsford Saugeen Shores | Eastern Time | 04:00 |
| Chelmsford Chimgan | Uzbekistan Time | -05:00 |
| Chelmsford Saugerties | Eastern Time | 04:00 |
| Chelmsford Chinon | Central European Time | -01:00 |
| Chelmsford Satna | India Standard Time | -05:30 |
| Chelmsford Sausalito | Pacific Time | 07:00 |
| Chelmsford Sault Ste. Marie | Eastern Time | 04:00 |
| Chelmsford Savar Kundla | India Standard Time | -05:30 |
| Chelmsford Trowse Newton | United Kingdom Time | 00:00 |
| Chelmsford Trinity | Eastern Time | 04:00 |
| Chelmsford Trimbak | India Standard Time | -05:30 |
| Chelmsford Tembhurni | India Standard Time | -05:30 |
| Chelmsford Troedyrhiw | United Kingdom Time | 00:00 |
| Chelmsford Trogir | Central European Time | -01:00 |
| Chelmsford Tropea | Central European Time | -01:00 |
| Chelmsford Tebnine | Eastern European Time | -02:00 |
| Chelmsford Tecoma | Eastern Australia Time | -11:00 |
| Chelmsford Te Anau | New Zealand Time | -13:00 |
| Chelmsford Te Awamutu | New Zealand Time | -13:00 |
| Chelmsford Tealby | United Kingdom Time | 00:00 |
| Chelmsford Team Valley Trading Estate | United Kingdom Time | 00:00 |
| Chelmsford Teisendorf | Central European Time | -01:00 |
| Chelmsford Tehachapi | Pacific Time | 07:00 |
| Chelmsford Tecuala | Mexican Pacific Time | 07:00 |
| Chelmsford Tecumseh | Eastern Time | 04:00 |
| Chelmsford Tekonsha | Eastern Time | 04:00 |