I am using google visualization for drawing chart. I need to show line hAxis date in( dd MMM yyyy) format I have tired format but it did not helped

i need to display highlighted dates in correct format
Thanks
I am using google visualization for drawing chart. I need to show line hAxis date in( dd MMM yyyy) format I have tired format but it did not helped

i need to display highlighted dates in correct format
Thanks
 
    
    i have find solution for my problem, i am posting solution so that it might help others
  var data = new google.visualization.DataTable();
        data.addColumn('date', 'Column Name');
        data.addColumn('number', 'Temp. In Celsius');
        data.addColumn({ type: 'string', role: 'annotation' });
        data.addColumn({ type: 'string', role: 'annotationText' });
for (var i = 0; i < dataValues.length; i++) {              
data.addRow([ToJavaScriptDate(dataValues[i].ColumnName),dataValues[i].Value, 'Min Temp', 'Min temp']);
            }                 
  // used to convert  string to date 
    function ToJavaScriptDate(value) {
        var pattern = /Date\(([^)]+)\)/;
        var results = pattern.exec(value);
        return new Date(parseFloat(results[1]));
    }
