| Irpin' Chendamangalam | India Standard Time | -03:30 |
| Irpin' Chengdu | China Time | -06:00 |
| Irpin' Chelan | Pacific Time | 09:00 |
| Irpin' Chelsea | Eastern Time | 06:00 |
| Irpin' Chemainus | Pacific Time | 09:00 |
| Irpin' Chauth Ka Barwara | India Standard Time | -03:30 |
| Irpin' Chavakachcheri | India Standard Time | -03:30 |
| Irpin' Canaveral | Colombia Time | 07:00 |
| Irpin' Canandaigua | Eastern Time | 06:00 |
| Irpin' Chehalis | Pacific Time | 09:00 |
| Irpin' Cheddar | United Kingdom Time | 02:00 |
| Irpin' Chepstow | United Kingdom Time | 02:00 |
| Irpin' Cherai | India Standard Time | -03:30 |
| Irpin' Cheras 9 Miles | Malaysia Time | -06:00 |
| Irpin' Chennai | India Standard Time | -03:30 |
| Irpin' Chennai | India Standard Time | -03:30 |
| Irpin' Chennai | India Standard Time | -03:30 |
| Irpin' Chermside | Eastern Australia Time | -08:00 |
| Irpin' Como | Western Australia Time | -06:00 |
| Irpin' Commerce | Pacific Time | 09:00 |
| Irpin' Columbus Air Force Base | Central Time | 07:00 |
| Irpin' Columbus | Eastern Time | 06:00 |
| Irpin' Colyton | United Kingdom Time | 02:00 |
| Irpin' Cherthala | India Standard Time | -03:30 |
| Irpin' Cherukupalli | India Standard Time | -03:30 |
| Irpin' Comas | Peru Time | 07:00 |
| Irpin' Combarro | Central European Time | 01:00 |
| Irpin' Condove | Central European Time | 01:00 |
| Irpin' Concord | Eastern Australia Time | -09:00 |
| Irpin' Conneaut | Eastern Time | 06:00 |
| Irpin' Conifer | Mountain Time | 08:00 |
| Irpin' Dahlonega | Eastern Time | 06:00 |
| Irpin' Dahisar | India Standard Time | -03:30 |
| Irpin' Daimes | Central European Time | 01:00 |
| Irpin' Dahab | Eastern European Time | 00:00 |
| Irpin' Conthey | Central European Time | 01:00 |
| Irpin' Conshohocken | Eastern Time | 06:00 |
| Irpin' Constantine | United Kingdom Time | 02:00 |