Originally Posted by VitoVino
You change the start day for the week by first clicking on User CP (user control panel) located on the blue bar, in the upper left of this page.
Then click "Edit Options" under the Settings and Options, located on the left. Down at the bottom it gives you a choice what day you want to start the week while using the Calendar.
good catch. He had asked me but I was on my phone and the time and I wasn't sure if it could be done.