var serverDate = '2014-02-24 04:52:48.050000'; // EST

function convertServerDateToLocal(dateInput) {
  // EST - UTC offset: 5 hours
  var offset = 5.0,

      /*
        - calculate the difference between the server date and UTC
        - the value returned by the getTime method is the number of milliseconds since 1 January 1970 00:00:00 UTC.
        - the time-zone offset is the difference, in minutes, between UTC and local time
        - 60000 milliseconds = 60 seconds = 1 minute
      */
      serverDate = new Date(dateInput),
      utc = serverDate.getTime() - (serverDate.getTimezoneOffset() * 60000),

      /*
        - apply the offset between UTC and EST (5 hours)
        - 3600000 milliseconds = 3600 seconds = 60 minutes = 1 hour
      */
      clientDate = new Date(utc + (3600000 * offset));

  return clientDate.toLocaleString();
}

console.log(convertServerDateToLocal(serverDate));