Orientation of the Turtle
Sadly this is not for a mystical reason of the turtle gazing towards the rising sun... but rather that mathematicians measure angles counterclockwise from the x-axis.... but maybe they do that for a mystical reason anyway....
You can set the orientation of the turtle by determining the angle measured counter-clockwise from that eastern orientation and then using the command:
where 'a' is the angle measured from that baseline...
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By default the turtle faces 'East' - to the right of the screen. 
who knows!
