| Guyancourt Shanghai | China Time | -06:00 |
| Guyancourt Istanbul | Turkey Time | -01:00 |
| Guyancourt Buenos Aires | Argentina Time | 05:00 |
| Guyancourt Mumbai | India Standard Time | -03:30 |
| Guyancourt Mexico City | Central Time | 07:00 |
| Guyancourt Beijing | China Time | -06:00 |
| Guyancourt Karachi | Pakistan Time | -03:00 |
| Guyancourt Tianjin | China Time | -06:00 |
| Guyancourt Guangzhou | China Time | -06:00 |
| Guyancourt Delhi | India Standard Time | -03:30 |
| Guyancourt Moscow | Moscow Time | -01:00 |
| Guyancourt Shenzhen | China Time | -06:00 |
| Guyancourt Dhaka | Bangladesh Time | -04:00 |
| Guyancourt Seoul | Korean Time | -07:00 |
| Guyancourt São Paulo | Brasilia Time | 05:00 |
| Guyancourt Wuhan | China Time | -06:00 |
| Guyancourt Lagos | West Africa Time | 01:00 |
| Guyancourt Jakarta | Western Indonesia Time | -05:00 |
| Guyancourt Tokyo | Japan Time | -07:00 |
| Guyancourt New York | Eastern Time | 06:00 |
| Guyancourt Dongguan | China Time | -06:00 |
| Guyancourt Taipei | Taipei Time | -06:00 |
| Guyancourt Kinshasa | West Africa Time | 01:00 |
| Guyancourt Lima | Peru Time | 07:00 |
| Guyancourt Cairo | Eastern European Time | 00:00 |
| Guyancourt Bogotá | Colombia Time | 07:00 |
| Guyancourt London | United Kingdom Time | 01:00 |
| Guyancourt Chongqing | China Time | -06:00 |
| Guyancourt Chengdu | China Time | -06:00 |
| Guyancourt Baghdad | Arabian Time | -01:00 |
| Guyancourt Nanjing | China Time | -06:00 |
| Guyancourt Tehran | Iran Time | -02:30 |
| Guyancourt Nanchong | China Time | -06:00 |
| Guyancourt Hong Kong | Hong Kong Time | -06:00 |
| Guyancourt Hsi-an | China Time | -06:00 |
| Guyancourt Lahore | Pakistan Time | -03:00 |
| Guyancourt Shenyang | China Time | -06:00 |
| Guyancourt Hangzhou | China Time | -06:00 |
| Guyancourt Rio de Janeiro | Brasilia Time | 05:00 |
| Guyancourt Harbin | China Time | -06:00 |
| Guyancourt Tai’an | China Time | -06:00 |
| Guyancourt Suzhou | China Time | -06:00 |
| Guyancourt Shantou | China Time | -06:00 |
| Guyancourt Bangkok | Indochina Time | -05:00 |
| Guyancourt Bangalore | India Standard Time | -03:30 |
| Guyancourt Saint Petersburg | Moscow Time | -01:00 |
| Guyancourt Santiago | Chile Time | 06:00 |
| Guyancourt Kolkata | India Standard Time | -03:30 |
| Guyancourt Syd | Eastern Australia Time | -08:00 |
| Guyancourt Yangon | Myanmar Time | -04:30 |