I couldn't see the answer in a search - apologies if this has already been covered.
If I know that at the winter solstice the sun will be at an elevation of 20 degrees, my south facing (northern hemisphere) glazing is 4 metres high (bottom to top of windows) - then what is furthest point the sun will reach to into the home ? What is the calculation here? Memories of high school maths isn't helping me here.
This is to help with the placement of thermal mass walls. I.e if the sun only reaches 2 metres into the living space, then is there a point in placing thermal mass 5 metres into the living space ?
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