To find the sun’s zenith position on Earth at any given time, there are several online resources that can provide this information.
Time and Date: This website offers a comprehensive Sun Calculator that shows the sun’s position, including its zenith point at noon. By entering a specific date and location, you can see where the sun will be directly overhead.
NASA’s Solar Calculator: NASA offers a solar calculator that allows you to input a date and view the sun’s path across the sky, including the points where it crosses directly overhead.
Suncalc.org: This interactive tool maps out the sun’s position and trajectory around the globe, helping you find when and where the sun will reach its zenith.
Sunearthtools.com: This site includes tools to visualize solar paths throughout the day, showing when the sun will be at its zenith.
These tools often require input like a specific date, time, and geographical location to provide accurate results. Keep in mind that the sun can only be directly overhead between the Tropic of Cancer and the Tropic of Capricorn, and only at local solar noon.