DateTime to Epoch
>>> datetime.datetime(2012,4,1,0,0).timestamp()
1333234800.0
>>> datetime.datetime(2012,4,1,0,0).timestamp()
1333234800.0 long epoch = new java.text.SimpleDateFormat("MM/dd/yyyy HH:mm:ss").parse("01/01/1970 01:00:00").getTime()