How to open a playlist

You can open an existing playlist:

From the Monthly View, click over the day of the week, and select the option to "Open Playlist"
From inside a grid, click on the day of the week to open the playlist of the day
From inside a playlist, you can open the playlist of another day by clicking on the day using the calendar

In all cases, it will open the daily playlist of that specific day, that belongs to the week grid of the selected subchannel.