{
    "1":["Test Event 1","5","interview","08:30:00","2016-05-28","1"],
    "2":["Test 2","2","Lesser Important Items","08:30:00","2016-05-27","0"],
    "3":["Test Event 4","5","meeting","08:30:00","2016-06-12","1"],
    "4":["","0","Lesser Important Items","08:30:00","2016-06-12","0"],
    "5":["","0","Lesser Important Items","08:30:00","2016-06-12","0"],
    "6":["Test Event 3","1","interview","19:30:00","2016-05-29","1"]
 }

jsonData.sort(function(a, b) {
    return a.time - b.time;
})

{
    {
       "even_id":"1",
       "event_name":"Test Event",
       "event_watever":"1",
       "event_time":"08:30:00",
       "event_date":"2016-05-28"
    },
    {
       "even_id":"2",
       "event_name":"Test Event2",
       "event_watever":"5",
       "event_time":"08:30:00",
       "event_date":"2016-05-28"
    }
}