This Clock shows time in shadow???

 This Clock shows time in shadow based upon the sun,here how it works 

                          <By: Wakeup>

A photograph circulating on social media is being mistakenly identified as a traditional clock. The image actually shows a digital sundial, which displays time using a shadow created by the position of the sun. Digital sundials operate during daylight hours, typically from 10:00 to 16:00, and require adjustment based on the latitude of their location. It's important to note that there is a difference between sundial time and standard clock time, as sundials rely on the movement of the sun. The apparent movement of the sun is not entirely regular due to the Earth's orbit and tilted axis. In contrast, modern clocks are designed to run at the average rate of the sun's movement throughout the year.

Performing a reverse image search on the photo revealed a similar image on a website, where it was identified as a 3D printed digital sundial. Further online searches revealed that these types of sundials are available for purchase in various sizes and colors. It's worth noting that digital sundials typically function in 20-minute intervals and require adjustments based on latitude. Videos demonstrating the working of such digital sundials can be found online.

Sundials, including digital sundials, are among the earliest timekeeping devices. Traditional sundials use the position of the sun to indicate the hour with a line or triangle. In contrast, digital sundials use carefully designed objects shaped like numbers to cast shadows that represent the current time. These devices operate without electricity and do not have any moving parts. The shape of the sundial is mathematically designed to allow only the appropriate sunrays to pass through at the correct time and angle.

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