<Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2008) (Learn how and when to remove this template message) </Td> </Tr> <P> Sun path, sometimes also called day arc, refers to the daily and seasonal arc - like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun . The Sun's path affects the length of daytime experienced and amount of daylight received along a certain latitude during a given season . </P> <P> The relative position of the Sun is a major factor in the heat gain of buildings and in the performance of solar energy systems . Accurate location - specific knowledge of sun path and climatic conditions is essential for economic decisions about solar collector area, orientation, landscaping, summer shading, and the cost - effective use of solar trackers . </P> <Table> <Tr> <Td> </Td> <Td> This section is too long . Consider splitting it into new pages, adding subheadings, or condensing it . (June 2017) </Td> </Tr> </Table>

Where does the sun rise in northern hemisphere