| Irvine Niagara-on-the-Lake | Eastern Time | -03:00 |
| Irvine Weidenbach | Central European Time | -09:00 |
| Irvine Ossipee | Eastern Time | -03:00 |
| Irvine Keystone | Mountain Time | -01:00 |
| Irvine Niagara Park | Eastern Australia Time | -17:00 |
| Irvine Weilheim in Oberbayern | Central European Time | -09:00 |
| Irvine Ostia | Central European Time | -09:00 |
| Irvine Johns Island | Eastern Time | -03:00 |
| Irvine Ostrava | Central European Time | -09:00 |
| Irvine Weinfelden | Central European Time | -09:00 |
| Irvine Ostrava | Central European Time | -09:00 |
| Irvine Jojutla de Juárez | Central Time | -02:00 |
| Irvine Ostermundigen | Central European Time | -09:00 |
| Irvine Welch | Eastern Time | -03:00 |
| Irvine Osterwasser | Central European Time | -09:00 |
| Irvine Joondalup | Western Australia Time | -15:00 |
| Irvine Nedlands | Western Australia Time | -15:00 |
| Irvine Weinstadt | Central European Time | -09:00 |
| Irvine Nébias | Central European Time | -09:00 |
| Irvine Jonesborough | Eastern Time | -03:00 |
| Irvine Neckartailfingen | Central European Time | -09:00 |
| Irvine Weiz | Central European Time | -09:00 |
| Irvine Needles | Pacific Time | 00:00 |
| Irvine Jonestown | Central Time | -02:00 |
| Irvine Neelagiri | India Standard Time | -12:30 |
| Irvine Yellow Springs | Eastern Time | -03:00 |
| Irvine Neemuch | India Standard Time | -12:30 |
| Irvine Jonesville | Eastern Time | -03:00 |
| Irvine Negril | Eastern Time | -02:00 |
| Irvine Yedthady | India Standard Time | -12:30 |
| Irvine Nekoosa | Central Time | -02:00 |
| Irvine Imboden | Central Time | -02:00 |
| Irvine Notting Hill | Eastern Australia Time | -17:00 |
| Irvine Yemmiganur | India Standard Time | -12:30 |
| Irvine Neosho | Central Time | -02:00 |
| Irvine Immenstadt | Central European Time | -09:00 |
| Irvine Nelson Bay | Eastern Australia Time | -17:00 |
| Irvine Yasmine Hammamet | Central European Time | -08:00 |
| Irvine Nemesvámos | Central European Time | -09:00 |
| Irvine Kesare | India Standard Time | -12:30 |
| Irvine Montana | Central European Time | -09:00 |
| Irvine Yarra Junction | Eastern Australia Time | -17:00 |
| Irvine Montanara | Central European Time | -09:00 |
| Irvine Keswick | United Kingdom Time | -08:00 |
| Irvine Montauk | Eastern Time | -03:00 |
| Irvine Yarralumla | Eastern Australia Time | -17:00 |
| Irvine Mont-Tremblant | Eastern Time | -03:00 |
| Irvine Ketchikan | Alaska Time | 01:00 |
| Irvine Montague | Eastern Time | -03:00 |
| Irvine Yarraville | Eastern Australia Time | -17:00 |