Time zone in statistics graph incorrect

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I have recently signed up for Centova cast V3.
The default time zone was set at UTC -5. I have set my local time zone in setting as UTC +11. Updated and restarted server.
Times on top of Centova page is correct as local time.
But when I go and look into the report/statistics. Recent activity graph or historical graph, the timelines are out by up to 16 hours behind actual time events happeing. This is the same, no matter how far back I go. It seems the reporting is still showing times as the default setting when I first signed in UTC -5.

Has anyone else had this issue. Help Please