"HST","HAWAII/ALEUTIAN STANDARD TIME"
"AST","ALASKA STANDARD TIME"
"YST","YUKON STANDARD TIME"
"PST","PACIFIC STANDARD TIME"
"MST","MOUNTAIN STANDARD TIME"
"CST","CENTRAL STANDARD TIME"
"EST","EASTERN STANDARD TIME"
"AST","ATLANTIC STANDARD TIME"
"NST","NEWFOUNDLAND STANDARD TIME"
