Earth Clock: The History of Our Planet in 24 Hours

Product Information

An interesting investigation can be made by graphing the number of hours of daylight for every day of the year. Space Hotel and Jones clocks purchased directly from Newgate World are guaranteed for 12 months from the date of purchase. With your clock face marked out, half of the circle represents AM (daytime) and half of the circle represents PM (night time).

A common misconception is that the Sun and Moon rise and set at about the same time every day (This is true for the Sun, but not the Moon!She often finds herself inspired by the intricacy and beauty of the natural world, and applies this to her illustration and design. The Sun and Moon are the brightest and most obvious things in our sky and their regular motions and changes make them a natural focus for time keeping. Earth Clock is a web-based digital clock assembled from views of Earth from above that resemble numbers. The horizon limits their view to 180 degrees (just like the real horizon does) and prevents them from looking behind themselves (we cannot see ‘behind’ the planet, either!

Optional: If you do not have a large grassy area to work in, you can cut 4-inch long pieces of 2×4 lumber, drill small holes in them, and hot glue the flags in place.

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This works best when sunrise or moonrise is straight up off the horizon; for this reason you will get the most accurate results timing the sunrise in June, and the moonrise in December. These inexpensive wooden stands will allow the flags to be placed on any floor or hard outdoor surface.

To keep the gearbox small enough, I divided this ratio into three identical planetary gear sets with an aimed ratio of 7.