| Downingtown Ambala Cantt | India Standard Time | -10:30 |
| Downingtown Ambler | Eastern Time | 00:00 |
| Downingtown Ambleside | United Kingdom Time | -05:00 |
| Downingtown Alverca do Ribatejo | Western European Time | -05:00 |
| Downingtown Alvarado | Central Time | 01:00 |
| Downingtown Alvor | Western European Time | -05:00 |
| Downingtown Alzenau | Central European Time | -06:00 |
| Downingtown Amarante | Western European Time | -05:00 |
| Downingtown Amaravati | India Standard Time | -10:30 |
| Downingtown Amakusa | Japan Time | -14:00 |
| Downingtown Alconaba | Central European Time | -06:00 |
| Downingtown Alexander Heights | Western Australia Time | -13:00 |
| Downingtown Alexandria Bay | Eastern Time | 00:00 |
| Downingtown Alenquer | Western European Time | -05:00 |
| Downingtown Albisola Superiore | Central European Time | -06:00 |
| Downingtown Albert Park | Eastern Australia Time | -16:00 |
| Downingtown Alcanar | Central European Time | -06:00 |
| Downingtown Alcochete | Western European Time | -05:00 |
| Downingtown Almancil | Western European Time | -05:00 |
| Downingtown Allostock | United Kingdom Time | -05:00 |
| Downingtown Allenspark | Mountain Time | 02:00 |
| Downingtown Allenby Gardens | Central Australia Time | -15:30 |
| Downingtown Alfonso Lista | Philippine Time | -13:00 |
| Downingtown Alfornelos | Western European Time | -05:00 |
| Downingtown Algiers | South Africa Standard Time | -07:00 |
| Downingtown Algoma | Central Time | 01:00 |
| Downingtown Alger Centre | Central European Time | -06:00 |
| Downingtown Algerias | Colombia Time | 00:00 |
| Downingtown Algermissen | Central European Time | -06:00 |
| Downingtown Algood | Central Time | 01:00 |
| Downingtown Alhos Vedros | Western European Time | -05:00 |
| Downingtown Alhandra | Western European Time | -05:00 |
| Downingtown Afton | Eastern Time | 00:00 |
| Downingtown Agarathur | India Standard Time | -10:30 |
| Downingtown Agadir | Western European Time | -06:00 |
| Downingtown Agnone Cilento | Central European Time | -06:00 |
| Downingtown Aghlor | India Standard Time | -10:30 |
| Downingtown Agde | Central European Time | -06:00 |
| Downingtown Aguas Calientes | Peru Time | 00:00 |
| Downingtown Aguadilla Pueblo | Atlantic Time | -01:00 |
| Downingtown Aguilar de Campoo | Central European Time | -06:00 |
| Downingtown Agua Amarga | Central European Time | -06:00 |
| Downingtown Agra | India Standard Time | -10:30 |
| Downingtown Agrate Brianza | Central European Time | -06:00 |
| Downingtown Ágreda | Central European Time | -06:00 |
| Downingtown Adel | Eastern Time | 00:00 |
| Downingtown Addison | Central Time | 01:00 |
| Downingtown Adelboden | Central European Time | -06:00 |
| Downingtown Adoor | India Standard Time | -10:30 |
| Downingtown Adpar | United Kingdom Time | -05:00 |