how i will match alert msg with error msg time stamp

Hi All,

Please can any one explain how alert will take time stamp, because in my system alert generation time and time stamp is not matching.

mail received @ Tue 5/31/2016 12:42 PM

but in xml message i received time stamp as: "Timestamp": "2016-05-31T07:12:05Z",

How i wil receive time stamp in IST format.

Please suggest what needs to be done in my side.