Show / Hide Hours in Calendar - Default display an 8 hour day instead of 24 hours?

Add the ability to "Zoom" hours of the day in the Calendar section of CW. Currently when I view my calendar, Day, Week, Next 7, all of them, I am presented with All 24 hours of the day, with each hour being divided in half, and items fitting to the nearest quarter hour mark.
I will almost never ever mark time, or schedule something for 3 AM or 9 PM. Can we make it so I can see ONLY 8 AM to 5 PM? Scrolling up or down to hours before or after my workday would be fine too, but as it is right now, 2/3rds of my calendar view is blank space that will almost never be used.