How To Set Your Starting Calendar Day on WP7

One of the thing about Windows Phone 7 is that pretty much all the 1st party apps settings can be set via the phones settings page or you can set it up via the settings page for the app (i.e. emails, calendars, etc).  It's almost BlackBerry like but with the additional ability of the simple to use "Settings" hub.

However, when someone asked how he/she could set the starting date on their wp7 device calendar, naturally, I opened the Calendar app, press settings and I was a bit puzzled since there was no such setting which is a bit strange. 

The good news is that after digging a little bit more, I have finally found it.  Read on for the settings...