| Westborough Jamnagar | India Standard Time | -09:30 |
| Westborough Sacramento | Pacific Time | 03:00 |
| Westborough Aracaju | Brasilia Time | -01:00 |
| Westborough Port Sudan | Central Africa Time | -06:00 |
| Westborough Santa Fe | Argentina Time | -01:00 |
| Westborough San Pedro Sula | Central Time | 02:00 |
| Westborough Suez | Eastern European Time | -06:00 |
| Westborough Dresden | Central European Time | -06:00 |
| Westborough Tomsk | Tomsk Time | -11:00 |
| Westborough Masina | West Africa Time | -05:00 |
| Westborough Saharanpur | India Standard Time | -09:30 |
| Westborough Gulbarga | India Standard Time | -09:30 |
| Westborough Bhātpāra | India Standard Time | -09:30 |
| Westborough Najaf | Arabian Time | -07:00 |
| Westborough Feira de Santana | Brasilia Time | -01:00 |
| Westborough Shah Alam | Malaysia Time | -12:00 |
| Westborough Mariupol' | Eastern European Time | -07:00 |
| Westborough Himeji | Japan Time | -13:00 |
| Westborough Tuxtla Gutiérrez | Central Time | 01:00 |
| Westborough Gomel | Moscow Time | -07:00 |
| Westborough Okene | West Africa Time | -05:00 |
| Westborough Uijeongbu-si | Korean Time | -13:00 |
| Westborough East London | South Africa Standard Time | -06:00 |
| Westborough Yazd | Iran Time | -08:30 |
| Westborough Hargeisa | East Africa Time | -07:00 |
| Westborough Siālkot | Pakistan Time | -09:00 |
| Westborough Kemerovo | Novokuznetsk Time | -11:00 |
| Westborough Yichang | China Time | -12:00 |
| Westborough Hwaseong-si | Korean Time | -13:00 |
| Westborough Kansas City | Central Time | 01:00 |
| Westborough Cuautitlán Izcalli | Central Time | 01:00 |
| Westborough Yinchuan | China Time | -12:00 |
| Westborough Skopje | Central European Time | -06:00 |
| Westborough Vereeniging | South Africa Standard Time | -06:00 |
| Westborough The Hague | Central European Time | -06:00 |
| Westborough Long Beach | Pacific Time | 03:00 |
| Westborough Mixco | Central Time | 02:00 |
| Westborough Lyon | Central European Time | -06:00 |
| Westborough Londrina | Brasilia Time | -01:00 |
| Westborough Mesa | Mountain Time | 03:00 |
| Westborough Jiaojiangcun | China Time | -12:00 |
| Westborough Matsudo | Japan Time | -13:00 |
| Westborough Juiz de Fora | Brasilia Time | -01:00 |
| Westborough Nishinomiya | Japan Time | -13:00 |
| Westborough Tula | Moscow Time | -07:00 |
| Westborough Borough of Staten Island | Eastern Time | 00:00 |
| Westborough Kawaguchi | Japan Time | -13:00 |
| Westborough Zunyi | China Time | -12:00 |
| Westborough Jiaxing | China Time | -12:00 |
| Westborough Belford Roxo | Brasilia Time | -01:00 |