import java.text.*;
//long timeStamp =  Long.parseLong(vars.get("time"));
Date date = new Date(1481086800000); //replace the long value with timeStamp you captured.
DateFormat formatter = new SimpleDateFormat("MM/dd/YYYY HH:mm");
 
TimeZone tzInAmerica = TimeZone.getTimeZone("America/Anchorage");
formatter.setTimeZone(tzInAmerica);
String dateFormatted = formatter.format(date);
vars.put("newDate", dateFormatted); //access new value using ${newDate}, in your script.
log.info(dateFormatted);

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