| Grenchen Stilton | United Kingdom Time | 01:00 |
| Grenchen Tremonton | Mountain Time | 08:00 |
| Grenchen Abington | Eastern Time | 06:00 |
| Grenchen Saxonburg | Eastern Time | 06:00 |
| Grenchen Stevensville | Eastern Time | 06:00 |
| Grenchen Corolla | Eastern Time | 06:00 |
| Grenchen Vouni | Eastern European Time | -01:00 |
| Grenchen Odense | Central European Time | 00:00 |
| Grenchen Stewiacke | Atlantic Time | 05:00 |
| Grenchen Trenzano | Central European Time | 00:00 |
| Grenchen Aberdeen | Central Time | 07:00 |
| Grenchen Sayalonga | Central European Time | 00:00 |
| Grenchen Snohomish | Pacific Time | 09:00 |
| Grenchen Devrukh | India Standard Time | -03:30 |
| Grenchen Vouillé | Central European Time | 00:00 |
| Grenchen Oeiras | Western European Time | 01:00 |
| Grenchen Sneem | Ireland Time | 01:00 |
| Grenchen Tecoma | Eastern Australia Time | -08:00 |
| Grenchen Abeibara | Greenwich Mean Time | 02:00 |
| Grenchen Sidmouth | United Kingdom Time | 01:00 |
| Grenchen Virginia | Central Time | 07:00 |
| Grenchen Devizes | United Kingdom Time | 01:00 |
| Grenchen Umpqua | Pacific Time | 09:00 |
| Grenchen Ogunquit | Eastern Time | 06:00 |
| Grenchen Virton | Central European Time | 00:00 |
| Grenchen Tecuala | Mexican Pacific Time | 08:00 |
| Grenchen Abbotsford | Eastern Australia Time | -08:00 |
| Grenchen Sidon District | Eastern European Time | -01:00 |
| Grenchen Whitney | Central Time | 07:00 |
| Grenchen Dharamshala | India Standard Time | -03:30 |
| Grenchen Umm Al Arais | Central European Time | 01:00 |
| Grenchen Ogmore Vale | United Kingdom Time | 01:00 |
| Grenchen Virapandi | India Standard Time | -03:30 |
| Grenchen Tecumseh | Eastern Time | 06:00 |
| Grenchen Umhlanga | South Africa Standard Time | 00:00 |
| Grenchen Siesta Key | Eastern Time | 06:00 |
| Grenchen Virajpet | India Standard Time | -03:30 |
| Grenchen Dharwad | India Standard Time | -03:30 |
| Grenchen Ultimo | Eastern Australia Time | -08:00 |
| Grenchen Officer | Eastern Australia Time | -08:00 |
| Grenchen Vio | Central European Time | 00:00 |
| Grenchen Teisendorf | Central European Time | 00:00 |
| Grenchen Ujire | India Standard Time | -03:30 |
| Grenchen Sigatoka | Fiji Time | -10:00 |
| Grenchen Vipava | Central European Time | 00:00 |
| Grenchen Dhauchat | India Standard Time | -03:30 |
| Grenchen Ukai | India Standard Time | -03:30 |
| Grenchen Pathiyavaram | India Standard Time | -03:30 |
| Grenchen Wilbraham | Eastern Time | 06:00 |
| Grenchen Tehachapi | Pacific Time | 09:00 |