Here are some illustrations on the movement of the sun in Winter and Summer in Melbourne. It shows the elevation and angles.
This is a good example in this link: http://www.climatechangematters.net.au/LOTS/Earth/sub/seasons/flash.htm
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The following link shows the earth rotating the sun and the four seasons and equinoxes at certain times of the year.
http://www.climatechangematters.net.au/LOTS/Earth/sub/seasons/flash1.htm
http://www.climatechangematters.net.au/LOTS/Earth/sub/seasons/flash2.htm
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A YouTube showing the rotation of the earth rotating the sun and explaining the seasons and angles.
http://www.youtube.com/watch?v=WLRA87TKXLM
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Air Circulation from BOM site
http://www.bom.gov.au/info/ftweather/page_4.shtml
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Here is a PDF showing the house eaves calculation for all seasons for designing a passive solar house. Eaves Calculation
This is the full document on Passive Solar Design by Cement & Concreate Association of Australia. ConcreteNetAu Passive Solar Design