| Martha Lake Ao Nang | Indochina Time | -15:00 |
| Martha Lake Aoba Ward | Japan Time | -17:00 |
| Martha Lake Aoi Ward | Japan Time | -17:00 |
| Martha Lake Anzegem | Central European Time | -09:00 |
| Martha Lake Anzegem | Central European Time | -09:00 |
| Martha Lake Ananthapur | India Standard Time | -13:30 |
| Martha Lake Anamizu | Japan Time | -17:00 |
| Martha Lake Anaconda | Mountain Time | -01:00 |
| Martha Lake Anchor Point | Alaska Time | 01:00 |
| Martha Lake Ange-Gardien | Eastern Time | -03:00 |
| Martha Lake Anglesea | Eastern Australia Time | -19:00 |
| Martha Lake Ang Sila | Indochina Time | -15:00 |
| Martha Lake Angadipuram | India Standard Time | -13:30 |
| Martha Lake Andergrove | Eastern Australia Time | -18:00 |
| Martha Lake Anderlecht | Central European Time | -09:00 |
| Martha Lake Amsterdam Airport Schiphol | Central European Time | -09:00 |
| Martha Lake Amurrio | Central European Time | -09:00 |
| Martha Lake Amriswil | Central European Time | -09:00 |
| Martha Lake Amritsar Cantt. | India Standard Time | -13:30 |
| Martha Lake Ampang | Malaysia Time | -16:00 |
| Martha Lake America | Central European Time | -09:00 |
| Martha Lake Amherst | Eastern Time | -03:00 |
| Martha Lake Amory | Central Time | -02:00 |
| Martha Lake Amorbach | Central European Time | -09:00 |
| Martha Lake Ammon | Mountain Time | -01:00 |
| Martha Lake Amirim | Israel Time | -10:00 |
| Martha Lake Alphington | Eastern Australia Time | -19:00 |
| Martha Lake Almuwaylih | Arabian Time | -11:00 |
| Martha Lake Almeley | United Kingdom Time | -08:00 |
| Martha Lake Almargem do Bispo | Western European Time | -08:00 |
| Martha Lake Altishofen | Central European Time | -09:00 |
| Martha Lake Altona | Eastern Australia Time | -19:00 |
| Martha Lake Altona North | Eastern Australia Time | -19:00 |
| Martha Lake Altstätten | Central European Time | -09:00 |
| Martha Lake Altdorf | Central European Time | -09:00 |
| Martha Lake Altentreptow | Central European Time | -09:00 |
| Martha Lake Altavilla Vicentina | Central European Time | -09:00 |
| Martha Lake Ambala Cantt | India Standard Time | -13:30 |
| Martha Lake Ambler | Eastern Time | -03:00 |
| Martha Lake Ambleside | United Kingdom Time | -08:00 |
| Martha Lake Alverca do Ribatejo | Western European Time | -08:00 |
| Martha Lake Alvarado | Central Time | -02:00 |
| Martha Lake Alvor | Western European Time | -08:00 |
| Martha Lake Alzenau | Central European Time | -09:00 |
| Martha Lake Amarante | Western European Time | -08:00 |
| Martha Lake Amaravati | India Standard Time | -13:30 |
| Martha Lake Amakusa | Japan Time | -17:00 |
| Martha Lake Alconaba | Central European Time | -09:00 |
| Martha Lake Alexander Heights | Western Australia Time | -16:00 |
| Martha Lake Alexandria Bay | Eastern Time | -03:00 |