Having issues with Dates/Xmlgregoriancalendar values in table

[pavanakula]

All the date values in the cell , show null. i check the json string which has the following value
someDate":{"year":2012,"month":12,"day":17,"timezone":-360,"hour":0,"minute":0,"second":0,"fractionalSecond":0.000}

this value is shown as null in the table.