| New Barnet Alenquer | Western European Time | 00:00 |
| New Barnet Albisola Superiore | Central European Time | -01:00 |
| New Barnet Albert Park | Eastern Australia Time | -11:00 |
| New Barnet Alcanar | Central European Time | -01:00 |
| New Barnet Alcochete | Western European Time | 00:00 |
| New Barnet Almancil | Western European Time | 00:00 |
| New Barnet Allostock | United Kingdom Time | 00:00 |
| New Barnet Allenspark | Mountain Time | 07:00 |
| New Barnet Allenby Gardens | Central Australia Time | -10:30 |
| New Barnet Alfonso Lista | Philippine Time | -08:00 |
| New Barnet Alfornelos | Western European Time | 00:00 |
| New Barnet Algiers | South Africa Standard Time | -02:00 |
| New Barnet Algoma | Central Time | 06:00 |
| New Barnet Alger Centre | Central European Time | -01:00 |
| New Barnet Algerias | Colombia Time | 05:00 |
| New Barnet Algermissen | Central European Time | -01:00 |
| New Barnet Algood | Central Time | 06:00 |
| New Barnet Alhos Vedros | Western European Time | 00:00 |
| New Barnet Alhandra | Western European Time | 00:00 |
| New Barnet Afton | Eastern Time | 05:00 |
| New Barnet Agarathur | India Standard Time | -05:30 |
| New Barnet Agadir | Western European Time | -01:00 |
| New Barnet Agnone Cilento | Central European Time | -01:00 |
| New Barnet Aghlor | India Standard Time | -05:30 |
| New Barnet Agde | Central European Time | -01:00 |
| New Barnet Aguas Calientes | Peru Time | 05:00 |
| New Barnet Aguadilla Pueblo | Atlantic Time | 04:00 |
| New Barnet Aguilar de Campoo | Central European Time | -01:00 |
| New Barnet Agua Amarga | Central European Time | -01:00 |
| New Barnet Agra | India Standard Time | -05:30 |
| New Barnet Agrate Brianza | Central European Time | -01:00 |
| New Barnet Ágreda | Central European Time | -01:00 |
| New Barnet Adel | Eastern Time | 05:00 |
| New Barnet Addison | Central Time | 06:00 |
| New Barnet Adelboden | Central European Time | -01:00 |
| New Barnet Adoor | India Standard Time | -05:30 |
| New Barnet Adpar | United Kingdom Time | 00:00 |
| New Barnet Afikim | Israel Time | -02:00 |
| New Barnet Affalterbach | Central European Time | -01:00 |
| New Barnet Affoltern am Albis | Central European Time | -01:00 |
| New Barnet Absecon | Eastern Time | 05:00 |
| New Barnet Abu Halifa | Arabian Time | -03:00 |
| New Barnet Acacia Gardens | Eastern Australia Time | -11:00 |
| New Barnet Acapulco | Central Time | 06:00 |
| New Barnet Acoi Village | India Standard Time | -05:30 |
| New Barnet Acton | Eastern Time | 05:00 |
| New Barnet 18-ogo uchastka | Moscow Time | -03:00 |
| New Barnet A dos Cunhados | Western European Time | 00:00 |
| New Barnet زستم آباد | Iran Time | -03:30 |
| New Barnet कसारा | India Standard Time | -05:30 |