[Solved]-json date format to Highcharts date format-Highcharts

If your time is already UTC then it's as simple as:

Date.parse("01/01/2013 08:00")

EDITS

Assuming your data comes back as valid JSON:

var jsonObj = {value:"01/01/2013 08:00", key:5.5}; 

var seriesOneData = [];
seriesOneData.push([Date.parse(jsonObj.value),jsonObj.key]);