| Westborough Monclova | Central Time | 01:00 |
| Westborough Nagaoka | Japan Time | -13:00 |
| Westborough Guri-si | Korean Time | -13:00 |
| Westborough Coro | Venezuela Time | 00:00 |
| Westborough Nishi-Tokyo-shi | Japan Time | -13:00 |
| Westborough Xinhui District | China Time | -12:00 |
| Westborough Grand Rapids | Eastern Time | 00:00 |
| Westborough Kendari | Central Indonesia Time | -12:00 |
| Westborough Petrolina | Brasilia Time | -01:00 |
| Westborough Yamoussoukro | Greenwich Mean Time | -04:00 |
| Westborough Kassel | Central European Time | -06:00 |
| Westborough Nāngloi Jāt | India Standard Time | -09:30 |
| Westborough Severodvinsk | Moscow Time | -07:00 |
| Westborough Mobile | Central Time | 01:00 |
| Westborough Portsmouth | United Kingdom Time | -05:00 |
| Westborough Soledad Diez Gutiérrez | Central Time | 01:00 |
| Westborough Nnewi | West Africa Time | -05:00 |
| Westborough Parung | Western Indonesia Time | -11:00 |
| Westborough Divinópolis | Brasilia Time | -01:00 |
| Westborough Başakşehir | Turkey Time | -07:00 |
| Westborough Ezhou | China Time | -12:00 |
| Westborough Maracanaú | Brasilia Time | -01:00 |
| Westborough Itami | Japan Time | -13:00 |
| Westborough Nam Định | Indochina Time | -11:00 |
| Westborough Uji | Japan Time | -13:00 |
| Westborough Machilipatnam | India Standard Time | -09:30 |
| Westborough Ciudad Madero | Central Time | 01:00 |
| Westborough Hyesan | Pyongyang Time | -13:00 |
| Westborough Salt Lake City | Mountain Time | 02:00 |
| Westborough Bayamo | Cuba Time | 00:00 |
| Westborough Katihar | India Standard Time | -09:30 |
| Westborough Tanjung Pinang | Western Indonesia Time | -11:00 |
| Westborough Pār Naogaon | Bangladesh Time | -10:00 |
| Westborough Newcastle upon Tyne | United Kingdom Time | -05:00 |
| Westborough Klaipėda | Eastern European Time | -07:00 |
| Westborough Zabrze | Central European Time | -06:00 |
| Westborough Bojnurd | Iran Time | -08:30 |
| Westborough Guatire | Venezuela Time | 00:00 |
| Westborough Humen | China Time | -12:00 |
| Westborough Sidi Bel Abbès | Central European Time | -05:00 |
| Westborough Hat Yai | Indochina Time | -11:00 |
| Westborough Haicheng | China Time | -12:00 |
| Westborough Suzuka | Japan Time | -13:00 |
| Westborough Zinder | West Africa Time | -05:00 |
| Westborough Curug | Western Indonesia Time | -11:00 |
| Westborough Barrancabermeja | Colombia Time | 01:00 |
| Westborough Zlatoust | Yekaterinburg Time | -09:00 |
| Westborough Ormoc | Philippine Time | -12:00 |
| Westborough Bhiwani | India Standard Time | -09:30 |
| Westborough Huntsville | Central Time | 01:00 |