Using Wallclock Scheduling in WMS to start a broadcast at a specific time

Over the years I've talked to a number of people that want to broadcast a live video at a certain time of day.  Usually this is in a corporate network where a CEO is doing a large broadcast to the entire company or something similar that needs to happen at a specific time without the intervention

wallclock Value

The wallclock value can be used in the begin and end attributes to start and stop media according to a real-time clock. For example, you could set a media element on a broadcast publishing point to start streaming at 6:00 A.M.