| Sonoma Aguadilla Pueblo | Atlantic Time | -04:00 |
| Sonoma Aguilar de Campoo | Central European Time | -09:00 |
| Sonoma Agua Amarga | Central European Time | -09:00 |
| Sonoma Agra | India Standard Time | -13:30 |
| Sonoma Agrate Brianza | Central European Time | -09:00 |
| Sonoma Ágreda | Central European Time | -09:00 |
| Sonoma Adel | Eastern Time | -03:00 |
| Sonoma Addison | Central Time | -02:00 |
| Sonoma Adelboden | Central European Time | -09:00 |
| Sonoma Adoor | India Standard Time | -13:30 |
| Sonoma Adpar | United Kingdom Time | -08:00 |
| Sonoma Afikim | Israel Time | -10:00 |
| Sonoma Affalterbach | Central European Time | -09:00 |
| Sonoma Affoltern am Albis | Central European Time | -09:00 |
| Sonoma Absecon | Eastern Time | -03:00 |
| Sonoma Abu Halifa | Arabian Time | -11:00 |
| Sonoma Acacia Gardens | Eastern Australia Time | -19:00 |
| Sonoma Acapulco | Central Time | -02:00 |
| Sonoma Acoi Village | India Standard Time | -13:30 |
| Sonoma Acton | Eastern Time | -03:00 |
| Sonoma 18-ogo uchastka | Moscow Time | -11:00 |
| Sonoma A dos Cunhados | Western European Time | -08:00 |
| Sonoma زستم آباد | Iran Time | -11:30 |
| Sonoma कसारा | India Standard Time | -13:30 |
| Sonoma Aarhus | Central European Time | -09:00 |
| Sonoma Aarppookkara | India Standard Time | -13:30 |
| Sonoma Abanilla | Central European Time | -09:00 |
| Sonoma Aberlady | United Kingdom Time | -08:00 |
| Sonoma Abisko | Central European Time | -09:00 |
| Sonoma Abingdon | Eastern Time | -03:00 |
| Sonoma Abington | Eastern Time | -03:00 |
| Sonoma Aberdeen | Central Time | -02:00 |
| Sonoma Abeibara | Greenwich Mean Time | -08:00 |
| Sonoma Abbotsford | Eastern Australia Time | -19:00 |
| Sonoma Ajijic | Central Time | -02:00 |
| Sonoma Akköy | Turkey Time | -11:00 |
| Sonoma Al Aaroui | Western European Time | -09:00 |
| Sonoma Akrotiri | Eastern European Time | -10:00 |
| Sonoma Aigle | Central European Time | -09:00 |
| Sonoma Aiea | Hawaii-Aleutian Time | 02:00 |
| Sonoma Agurain | Central European Time | -09:00 |
| Sonoma Aitkenvale | Eastern Australia Time | -18:00 |
| Sonoma Airport West | Eastern Australia Time | -19:00 |
| Sonoma Air Itam | Malaysia Time | -16:00 |
| Sonoma Ajanta | India Standard Time | -13:30 |
| Sonoma Alenquer | Western European Time | -08:00 |
| Sonoma Alconaba | Central European Time | -09:00 |
| Sonoma Alcochete | Western European Time | -08:00 |
| Sonoma Alcanar | Central European Time | -09:00 |
| Sonoma Alexander Heights | Western Australia Time | -16:00 |