You can add a countdown clock to assist with estimating story run times.
Adding a Countdown Timer
Right-click in the info area of a story and select Count down to.
A countdown clock with minutes and seconds to the selected story’s estimated On Air time appears in the middle of the info area.
Again selecting Right-click > Count down to, toggles the timer off.
Customizing the Appearance of Stories in a Rundown
Story line options control behavior and display characteristics of each story in the rundown.
Refer to topic Story Line in the User Interface section.