You aren't the only one that is confused.  I think we all are. Someone else posted about the very issue in the market place customer support.

http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2793466

They really do need to pick a time and stick with it. 

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi