A: Alpha Time Zone

ACDT: Australian Central Daylight Time
ACIT: Ashmore and Cartier Islands Time

ACST: Australian Central Standard Time
ACT: Acre Time
ACWST: Australian Central Western Standard Time
ADT: Arabia Daylight Time

ADT: Atlantic Daylight Time

AEDT: Australian Eastern Daylight Time

AEST: Australian Eastern Standard Time
AF: Actual Finish
AFT: Afghanistan Time
AKDT: Alaska Daylight Time
AKST: Alaska Standard Time
ANAST: Anadyr†Summer Time
ANAT: Anadyr†Time
APO: Apo Island Time
Apr: April
ARDT: Argentina Daylight Time
ART: Argentina Time
AST: Arabia Standard Time
AST: Arabic Standard Time

AST: Atlantic Standard Time
Aug: August
AWDT: Australian Western Daylight Time

AWST: Australian Western Standard Time
AZODT: Azores Daylight Time
AZOST: Azores Standard Time
AZST: Azerbaijan Summer Time
AZT: Azerbaijan Time
B: Bravo Time Zone
BEST: Brazil Eastern Standard Time
BIOT: British Indian Ocean Time
BIT: Baker Island Time
BOT: Bolivia Time
BRST: Brazilia Summer Time
BRT: Brazilia Time
BST: Bangladesh Summer Time
BST: Bering Standard Time

BST: British Summer Time