Time zone abbreviations

UTC: Coordinated Universal Time (Greenwich England)
AST: Atlantic Standard Time, UTC - 4 hours
EST: Eastern Standard Time, UTC - 5 hours
EDT: Eastern Daylight Time, UTC - 4 hours
CST: Central Standard Time, UTC - 6 hours
CDT: Central Daylight Time, UTC - 5 hours
MST: Mountain Standard Time, UTC - 7 hours
MDT: Mountain Daylight Time, UTC - 6 hours
PST: Pacific Standard Time, UTC - 8 hours
PDT: Pacific Daylight Time, UTC - 7 hours
AKST: Alaska Standard Time, UTC - 9 hours
AKDT: Alaska Daylight Time, UTC - 8 hours
ALST: Aleution Standard Time, UTC - 10 hours
ALDT: Aleution Daylight Time, UTC - 9 hours
HIST: Hawaii Time, UTC - 10 hours
MPST: Northern Marianas Time, UTC + 10 hours
GUST: Guam Time, UTC + 10 hours
VIST: Virgin Islands Time, UTC - 4 hours
ASST: American Samoa Time, UTC - 11 hours
m: midnight
a: AM
p: PM