NST - Newfoundland Standard Time
NDT - Newfoundland Daylight Time
AST - Atlantic Standard Time
ADT - Atlantic Daylight Time
EST - Eastern Standard Time
EDT - Eastern Daylight Savings Time
CST - Central Standard Time
CDT - Central Daylight Savings Time
MST - Mountain Standard Time
MDT - Mountain Daylight Savings Time
PST - Pacific Standard Time
PDT - Pacific Daylight Savings Time
AKST - Alaska Standard Time
AKDT - Alaska Standard Daylight Savings Time
HST - Hawaiian Standard Time