About Sun Position
The position of the Sun relative to a specific location on Earth is a key factor in determining solar energy potential, astronomical observations, and even cultural events. There are four primary parameters commonly used to describe the Sun’s apparent position:
- Altitude: The height of the Sun above the horizon measured in degrees. An altitude of 0° means the Sun is on the horizon, while 90° means it is directly overhead.
- Azimuth: The compass direction from which the sunlight is coming. It is measured in degrees clockwise from the North (0°).
- Distance: The distance between the center of the Earth and the center of the Sun. This value varies slightly due to Earth's elliptical orbit but is typically around 149.6 million kilometers.
- Parallax Angle: The angle between two lines drawn from different points on Earth's surface to the Sun. It is a small value due to the vast distance to the Sun but is critical in precise astronomical calculations.
Understanding these parameters is crucial not only for scientists but also for architects, engineers, and anyone interested in optimizing solar panel installations or designing sunlit spaces. Accurate solar position information can significantly impact decisions in renewable energy and building orientation, making this calculator a valuable tool in sustainable design and daily applications.