| Westborough Pāhoa | Hawaii-Aleutian Time | 06:00 |
| Westborough Steelville | Central Time | 01:00 |
| Westborough Val-d'Isère | Central European Time | -06:00 |
| Westborough Burtonsville | Eastern Time | 00:00 |
| Westborough Montecito | Pacific Time | 03:00 |
| Westborough Port Jefferson | Eastern Time | 00:00 |
| Westborough Inala | Eastern Australia Time | -14:00 |
| Westborough Kota Bharu | Malaysia Time | -12:00 |
| Westborough Paia | Hawaii-Aleutian Time | 06:00 |
| Westborough Steinbach | Central European Time | -06:00 |
| Westborough Vajdi | India Standard Time | -09:30 |
| Westborough Burwood | Eastern Australia Time | -14:00 |
| Westborough Montélier | Central European Time | -06:00 |
| Westborough Port Klang | Malaysia Time | -12:00 |
| Westborough Inari | Eastern European Time | -07:00 |
| Westborough Kota Belud | Malaysia Time | -12:00 |
| Westborough Ojai | Pacific Time | 03:00 |
| Westborough Steinfeld | Central European Time | -06:00 |
| Westborough Valderrobres | Central European Time | -06:00 |
| Westborough Burwood East | Eastern Australia Time | -14:00 |
| Westborough Monticello | Eastern Time | 00:00 |
| Westborough Port Neches | Central Time | 01:00 |
| Westborough Helen | Eastern Time | 00:00 |
| Westborough Keralassery | India Standard Time | -09:30 |
| Westborough Ohio | Eastern Time | 00:00 |
| Westborough Staveley | United Kingdom Time | -05:00 |
| Westborough Valea Crișului | Eastern European Time | -07:00 |
| Westborough Buscate | Central European Time | -06:00 |
| Westborough Montezuma | Eastern Time | 00:00 |
| Westborough Port Noarlunga | Central Australia Time | -13:30 |
| Westborough Helmsley | United Kingdom Time | -05:00 |
| Westborough Kotara | Eastern Australia Time | -14:00 |
| Westborough Ohain | Central European Time | -06:00 |
| Westborough Stayner | Eastern Time | 00:00 |
| Westborough Valkenburg | Central European Time | -06:00 |
| Westborough Burnside | Central Australia Time | -13:30 |
| Westborough Montpelier | Eastern Time | 00:00 |
| Westborough Port Melbourne | Eastern Australia Time | -14:00 |
| Westborough Inzell | Central European Time | -06:00 |
| Westborough Kota Kinabalu | Malaysia Time | -12:00 |
| Westborough Oia | Eastern European Time | -07:00 |
| Westborough Staré Město | Central European Time | -06:00 |
| Westborough Wallisellen | Central European Time | -06:00 |
| Westborough Burleigh Heads | Eastern Australia Time | -14:00 |
| Westborough Montreal | Eastern Time | 00:00 |
| Westborough Poovar | India Standard Time | -09:30 |
| Westborough Iowa Park | Central Time | 01:00 |
| Westborough Kota Marudu | Malaysia Time | -12:00 |
| Westborough Ogunquit | Eastern Time | 00:00 |
| Westborough Stari Grad | Central European Time | -06:00 |