The Date Time custom field no longer reporting the current time. It looks as if the time is reporting in UTC +8.

The field was working correctly in JIRA 4.3.4. Does not work in JIRA versions 4.4+

Workaround:

There is a workaround found by lucgauf:
Modify the file Calendar-min.js located in /includes/lib/calendar/
This file looks like there is no line break so I can't give the line but you have to include this code between :

...
this.isPopup=false
}
// start code to add
if (this.dateStr) {
       var dateStrCustom = ""+this.dateStr;
       dateStrCustom = dateStrCustom.replace(/-/g,"/").replace(/(\d\d)+T+(\d\d)/, "$1 $2");
        this.date=new Date(dateStrCustom);
}

if (!this.date || isNaN(this.date)) {
        this.date=new Date();
}
// end code to add

var table=Calendar.createElement("table");
...

It works with IE9 and FF8, our JIRA version is 4.4.3.

Important: This workaround consists of modifying the bundled JIRA code, and hence, Atlassian does not provide support to it. We recommend to upgrade your JIRA to a version which contains the fix to resolve this issue permanently.