It is always a good idea to read the manual before using a program

HiDownload has a very nice scheduler, that might be not so easy to find unless you read the user manual

On the left pane find "Live broadcast manager" and click on it. Then add a new download by pressing the "Add" button. Enter the URL and go to the "Schedule" tab. Here it comes. You may record once, or daily, or by selecting the weekend days, ...

The coolest thing is that HD can even change the stream URL using some date patterns (like DD_MM_YYYY). I haven't seen anything similar in other stream recorders.