| Itabashi Rajapalayam | India Standard Time | 03:30 |
| Itabashi Ardsley | Eastern Time | 14:00 |
| Itabashi Rahovic | Central European Time | 08:00 |
| Itabashi Åre | Central European Time | 08:00 |
| Itabashi Rainsville | Central Time | 15:00 |
| Itabashi Argenbühl | Central European Time | 08:00 |
| Itabashi Argent-sur-Sauldre | Central European Time | 08:00 |
| Itabashi Aoulouz | Western European Time | 08:00 |
| Itabashi Aougrout | Central European Time | 08:00 |
| Itabashi Anzola dell'Emilia | Central European Time | 08:00 |
| Itabashi Ao Nang | Indochina Time | 02:00 |
| Itabashi Aoba Ward | Japan Time | 00:00 |
| Itabashi Aoi Ward | Japan Time | 00:00 |
| Itabashi Arruda dos Vinhos | Western European Time | 09:00 |
| Itabashi Arpora | India Standard Time | 03:30 |
| Itabashi Arossim | India Standard Time | 03:30 |
| Itabashi Armstrong | Pacific Time | 17:00 |
| Itabashi Arncliffe | Eastern Australia Time | -02:00 |
| Itabashi Arnedo | Central European Time | 08:00 |
| Itabashi Ariana | Central European Time | 08:00 |
| Itabashi Arlesheim | Central European Time | 08:00 |
| Itabashi Arklow | Ireland Time | 09:00 |
| Itabashi Arkula | India Standard Time | 03:30 |
| Itabashi Benissa | Central European Time | 08:00 |
| Itabashi Benito Juárez | Central Time | 15:00 |
| Itabashi Benjamín Hill | Mexican Pacific Time | 16:00 |
| Itabashi Berry | Eastern Australia Time | -02:00 |
| Itabashi Berthoud | Mountain Time | 16:00 |
| Itabashi Besham City | Pakistan Time | 04:00 |
| Itabashi Benavente | Western European Time | 09:00 |
| Itabashi Bembla and Manarah | Central European Time | 08:00 |
| Itabashi Benahavís | Central European Time | 08:00 |
| Itabashi Benajarafe | Central European Time | 08:00 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bengaluru | India Standard Time | 03:30 |
| Itabashi Bevier | Central Time | 15:00 |
| Itabashi Beuzeville-la-Grenier | Central European Time | 08:00 |
| Itabashi Bevagna | Central European Time | 08:00 |
| Itabashi Beverstedt | Central European Time | 08:00 |
| Itabashi Bethlehem of Galilee | Israel Time | 07:00 |
| Itabashi Bethel | Eastern Time | 14:00 |
| Itabashi Bettona | Central European Time | 08:00 |
| Itabashi Bettembourg | Central European Time | 08:00 |
| Itabashi Bhadalwadi | India Standard Time | 03:30 |
| Itabashi Bhalawani | India Standard Time | 03:30 |
| Itabashi Belmore | Eastern Australia Time | -02:00 |