When you program a show or series recording, after selecting Record:
Press the blue square B to access the recording options.
Using the arrows on your remote, select the Start and End fields to edit them as you want.
Select Record.
To change the start and end time of an already scheduled recording:
Press your remote’s LIST button twice to bring up all your upcoming recordings.
Select a title.
In the menu on the right, select the Modify option.
Using the arrows on your remote, select the Start and End fields to edit them as you want.
Select OK.