They block out the light from the sun.
Chat with our AI personalities
there's no one not of them
Long shadows are cast at sunset when the sun is at its lowest. The times of sunset (and sunrise) are readily available and may often be found in diaries.
Sundials tell the time by the shadows cast by the sun onto a circular calibrated surface, much like a clock but without mechanism or chips.
2 shadows are around it
Shadows are 2D because you cannot see the depth of a shadow.