if ( is_null( $wgLocalTZoffset ) ) {
$wgLocalTZoffset = date( 'Z' ) / 60;
}
+// The part after the System| is ignored, but rest of MW fills it
+// out as the local offset.
+$wgDefaultUserOptions['timecorrection'] = "System|$wgLocalTZoffset";
if ( !$wgDBerrorLogTZ ) {
$wgDBerrorLogTZ = $wgLocaltimezone;