Similar to Y

ADT - Atlantic Daylight Time
AEDST - Australian Eastern Daylight Savings Time
AKDT - Alaska Daylight Saving Time [UTC - 0900]
AKST - Alaska Standard Time [UTC - 1000]
AM - Ante Meridiem
AST - Atlantic Standard Time [UTC - 0400]
AST - Alaskan Standard Time [ UTC - 1000]

View all in Time Zones