Yes, you could do that. But currently the availability can be entered only per day, not by hour.
Richard, my response is slightly off-topic for a technical forum, but if you can use a composer in your group, contact me! I compose orchestral music when I'm not wrapped up in the gears and wires of CATALooK!
Steve
The music group is actually with co-workers of my wife, but I will pass it along!
Richard