The ORGANIZATION@1 -LRB- AST -RRB- is a geographical region that keeps time by subtracting four hours from either Coordinated Universal Time -LRB- UTC -RRB- or MISC@1 -LRB- MISC@2 -RRB- , resulting in UTC-4 or GMT-4 .

The ORGANIZATION@1 -LRB- AST -RRB- is a geographic region that keeps time by subtracting four hours from MISC@1 -LRB- MISC@2 -RRB- , resulting in GMT-4 -LRB- UTC-4 -RRB- .
