Tracking Live Jobs using Gantt Chart

Afternoon,

I am building a project dashboard for someone in the office who wants to look at all our info on live jobs.

I have created a gantt chart and various other analytical points that work as intended, the only thing I can't seem to work out is how to count jobs that are live as of today. Below is a screenshot of the dashboard with the gantt chart and figures shownn.  In the top left I want the "Live Site Manager's" figure to basically show how many live jobs there are as of today, so based off the screenshot it should say 3.

Any help with this would be greatly appreciated.

FYI - The gantt chart used is the one by xViz v3.0.1

Thanks