Well, in response to your last suggestion, the latter one with de-selecting the round off to whole days did not work.

But... it seems that the former one, the 24 default calendar coupled with all the other settings and a 12 hour work day seems to.

Hooray for that. I am in the middle of something just at the moment. I will play around with it tonight, and compose a new schedule and insure that it is as it seems.

I will let you know if it does, and the reply will be there when you come in tomorrow.

Thank you, very much.